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Google Keyword Rankings for : how is cfc used
1
Chlorofluorocarbon - Wikipedia
https://en.wikipedia.org/wiki/Chlorofluorocarbon
The most common representative is dichlorodifluoromethane (R-12 or Freon-12). Many CFCs have been widely used as refrigerants, propellants (in aerosol ...
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https://en.wikipedia.org/wiki/Chlorofluorocarbon
The most common representative is dichlorodifluoromethane (R-12 or Freon-12). Many CFCs have been widely used as refrigerants, propellants (in aerosol ...
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2
Chlorofluorocarbons - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/engineering/chlorofluorocarbons
Chlorofluorocarbons (CFCs) are largely used as refrigerants, solvents, degreasing agents in the electronic industry, blowing agents in plastic formation and ...
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https://www.sciencedirect.com/topics/engineering/chlorofluorocarbons
Chlorofluorocarbons (CFCs) are largely used as refrigerants, solvents, degreasing agents in the electronic industry, blowing agents in plastic formation and ...
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3
CFCs Properties, Uses & Examples - Video & Lesson Transcript
https://study.com/academy/lesson/cfcs-definition-properties-uses.html
Due to their chemical properties, CFCs became useful as coolants and propellants. More commonly known as freon for refrigeration, CFCs are used ...
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https://study.com/academy/lesson/cfcs-definition-properties-uses.html
Due to their chemical properties, CFCs became useful as coolants and propellants. More commonly known as freon for refrigeration, CFCs are used ...
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4
Chlorofluorocarbons and Ozone Depletion
https://www.acs.org/content/acs/en/education/whatischemistry/landmarks/cfcs-ozone.html
Widespread use of CFCs. In the 1920s, refrigeration and air conditioning systems used compounds such as ammonia, chloromethane, propane and ...
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https://www.acs.org/content/acs/en/education/whatischemistry/landmarks/cfcs-ozone.html
Widespread use of CFCs. In the 1920s, refrigeration and air conditioning systems used compounds such as ammonia, chloromethane, propane and ...
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5
how the world rapidly sealed a deal to save the ozone layer
https://www.rapidtransition.org/stories/back-from-the-brink-how-the-world-rapidly-sealed-a-deal-to-save-the-ozone-layer/
But CFCs had many other uses including as a refrigerant – they were commonly used in fridges and air conditioners – as well as in Styrofoam ...
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https://www.rapidtransition.org/stories/back-from-the-brink-how-the-world-rapidly-sealed-a-deal-to-save-the-ozone-layer/
But CFCs had many other uses including as a refrigerant – they were commonly used in fridges and air conditioners – as well as in Styrofoam ...
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6
What Are the Sources of CFCs? - Sciencing
https://sciencing.com/sources-cfcs-8405334.html
The most common emitter of CFCs are refrigerants, particularly those used after the 1930s. Dupont brand named their new product “Freon” and ...
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https://sciencing.com/sources-cfcs-8405334.html
The most common emitter of CFCs are refrigerants, particularly those used after the 1930s. Dupont brand named their new product “Freon” and ...
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7
Chlorofluorocarbons (CFCs) are a family of compounds ...
https://www.chem.uwec.edu/chem405_s01/gunderse/project.html
CFCs were widely used in four areas: aerosol propellants, solvents in the cleaning of electronic components and metals, refrigerants, and the blowing agents ...
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https://www.chem.uwec.edu/chem405_s01/gunderse/project.html
CFCs were widely used in four areas: aerosol propellants, solvents in the cleaning of electronic components and metals, refrigerants, and the blowing agents ...
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8
chlorofluorocarbon | chemical compound | Britannica
https://www.britannica.com/science/chlorofluorocarbon
chlorofluorocarbon (CFC), any of several organic compounds composed of carbon, fluorine, and chlorine. When CFCs also contain hydrogen in ...
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https://www.britannica.com/science/chlorofluorocarbon
chlorofluorocarbon (CFC), any of several organic compounds composed of carbon, fluorine, and chlorine. When CFCs also contain hydrogen in ...
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9
CFCs
https://www.ch.ic.ac.uk/rzepa/mim/environmental/html/cfc.htm
These physical properties make them ideal for use as refrigerant gases in air conditioners, freezers and refrigerators. Their low boiling points also make them ...
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https://www.ch.ic.ac.uk/rzepa/mim/environmental/html/cfc.htm
These physical properties make them ideal for use as refrigerant gases in air conditioners, freezers and refrigerators. Their low boiling points also make them ...
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10
What is the use of CFC(Chloro Fluoro Carbon) in a Refrigerator?
https://www.samsung.com/in/support/home-appliances/what-is-the-use-of-cfc-chloro-fluoro-carbon-in-a-refrigerator/
They were introduced as refrigerants in the 1930s, relatively soon after their discovery. Later, in the 1960s, CFCs found another use as blowing ...
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https://www.samsung.com/in/support/home-appliances/what-is-the-use-of-cfc-chloro-fluoro-carbon-in-a-refrigerator/
They were introduced as refrigerants in the 1930s, relatively soon after their discovery. Later, in the 1960s, CFCs found another use as blowing ...
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11
Chlorofluorocarbons (CFC), Health & Environment - GreenSpec
http://www.greenspec.co.uk/building-design/chlorofluorocarbons-cfcs-insulation-blowing-agent-ozone-depletion/
Notoriously chlorofluorocarbons were also widely used as aerosol propellants, cleansing agents for electrical and electronic components, and blowing agents in ...
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http://www.greenspec.co.uk/building-design/chlorofluorocarbons-cfcs-insulation-blowing-agent-ozone-depletion/
Notoriously chlorofluorocarbons were also widely used as aerosol propellants, cleansing agents for electrical and electronic components, and blowing agents in ...
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12
What are CFCs used for?
https://baiadellaconoscenza.com/dati/argomento/read/341723-what-are-cfcs-used-for
Chlorofluorocarbons (CFCs) are nontoxic, nonflammable chemicals containing atoms of carbon, chlorine, and fluorine. They are used in the ...
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https://baiadellaconoscenza.com/dati/argomento/read/341723-what-are-cfcs-used-for
Chlorofluorocarbons (CFCs) are nontoxic, nonflammable chemicals containing atoms of carbon, chlorine, and fluorine. They are used in the ...
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13
A decline in global CFC-11 emissions during 2018−2019
https://www.nature.com/articles/s41586-021-03260-5
Because CFCs have lifetimes of many decades to centuries, atmospheric chlorine loading and ozone loss from these chemicals declines only slowly ...
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https://www.nature.com/articles/s41586-021-03260-5
Because CFCs have lifetimes of many decades to centuries, atmospheric chlorine loading and ozone loss from these chemicals declines only slowly ...
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14
Chlorofluorocarbons (CFCs) | SpringerLink
https://link.springer.com/10.1007%2F1-4020-4494-1_55
Chlorofluorocarbons (CFCs) are nontoxic, nonflammable chemicals containing atoms of carbon, chlorine, and fluorine. They are used in the manufacture of ...
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https://link.springer.com/10.1007%2F1-4020-4494-1_55
Chlorofluorocarbons (CFCs) are nontoxic, nonflammable chemicals containing atoms of carbon, chlorine, and fluorine. They are used in the manufacture of ...
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15
Chlorofluorocarbons (CFCs) are heavier than air, so how do ...
https://www.scientificamerican.com/article/chlorofluorocarbons-cfcs/
For example, the two gases carbon tetrafluoride (CF4, produced mainly as a by-product of the manufacture of aluminum) and CFC-11 (CCl3F, used in ...
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https://www.scientificamerican.com/article/chlorofluorocarbons-cfcs/
For example, the two gases carbon tetrafluoride (CF4, produced mainly as a by-product of the manufacture of aluminum) and CFC-11 (CCl3F, used in ...
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16
Chlorofluorocarbons
https://web.uvic.ca/~djberg/Chem300A/GroupA_CFC_Proj1.pdf
non-flammable, and non-reactive properties of CFCs made them ideal for use as refrigerants. CFCs were used in many developed countries for consumption and ...
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https://web.uvic.ca/~djberg/Chem300A/GroupA_CFC_Proj1.pdf
non-flammable, and non-reactive properties of CFCs made them ideal for use as refrigerants. CFCs were used in many developed countries for consumption and ...
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17
Introduction - Toxicity of Alternatives to Chlorofluorocarbons
https://www.ncbi.nlm.nih.gov/books/NBK231526/
CFCs continue to be used in large amounts in refrigeration, metal and electronics cleaning, mobile air conditioning, and sterilization.
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https://www.ncbi.nlm.nih.gov/books/NBK231526/
CFCs continue to be used in large amounts in refrigeration, metal and electronics cleaning, mobile air conditioning, and sterilization.
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18
Chapter 2 - D1. Greenhouse Gases: CFCs
http://www.soest.hawaii.edu/mguidry/Unnamed_Site_2/Chapter%202/Chapter2D.html
Chlorofluorocarbons (CFCs) are nontoxic, nonflammable chemicals containing atoms of carbon, chlorine, and fluorine. They are used in the manufacture of ...
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http://www.soest.hawaii.edu/mguidry/Unnamed_Site_2/Chapter%202/Chapter2D.html
Chlorofluorocarbons (CFCs) are nontoxic, nonflammable chemicals containing atoms of carbon, chlorine, and fluorine. They are used in the manufacture of ...
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19
Chlorofluorocarbons as an environmental hazard
http://encyclopedia.uia.org/en/problem/134022
CFC-11 has 17,500 carbon dioxide's capacity to trap heat in the atmosphere. It is widely used in commercial refrigerators, and in insulating ...
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http://encyclopedia.uia.org/en/problem/134022
CFC-11 has 17,500 carbon dioxide's capacity to trap heat in the atmosphere. It is widely used in commercial refrigerators, and in insulating ...
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20
Preventing Death from Excessive Exposure to ... - CDC
https://www.cdc.gov/niosh/docs/89-109/default.html
Working with chlorofluorocarbon 113 (CFC-113) or other chlorofluorocarbons in confined spaces may cause death by cardiac arrhythmia or asphyxiation.
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https://www.cdc.gov/niosh/docs/89-109/default.html
Working with chlorofluorocarbon 113 (CFC-113) or other chlorofluorocarbons in confined spaces may cause death by cardiac arrhythmia or asphyxiation.
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21
The Skinny on CFCs and Their Use in Air Conditioners
https://www.premieraircolorado.com/the-skinny-on-cfcs-and-their-use-in-air-conditioners/
When people used air conditioning units and refrigerators, CFCs were released into the atmosphere. In 1974, two California scientists suggested that CFCs ...
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https://www.premieraircolorado.com/the-skinny-on-cfcs-and-their-use-in-air-conditioners/
When people used air conditioning units and refrigerators, CFCs were released into the atmosphere. In 1974, two California scientists suggested that CFCs ...
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22
Long Phased-Out Refrigeration and Insulation Chemicals Still ...
https://insideclimatenews.org/news/17032020/cfc-ozone-layer-short-lived-climate-pollutants/
New study concludes that “banked” CFCs have greenhouse gas impacts equal to all registered U.S. cars and slow the shrinking of the ozone hole.
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https://insideclimatenews.org/news/17032020/cfc-ozone-layer-short-lived-climate-pollutants/
New study concludes that “banked” CFCs have greenhouse gas impacts equal to all registered U.S. cars and slow the shrinking of the ozone hole.
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23
Chlorofluorocarbons: An Overlooked Climate Threat | Briefing
https://www.eesi.org/briefings/view/chlorofluorocarbons-an-overlooked-climate-threat
CFCs, HCFCs (hydrochlorofluorocarbons) and HFCs (hydrofluorocarbons), are primarily used as refrigerants and in insulating foams.
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https://www.eesi.org/briefings/view/chlorofluorocarbons-an-overlooked-climate-threat
CFCs, HCFCs (hydrochlorofluorocarbons) and HFCs (hydrofluorocarbons), are primarily used as refrigerants and in insulating foams.
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24
Scientists discover the source of new CFC emissions
https://www.sciencedaily.com/releases/2019/05/190522141808.htm
Last year, it was reported that emissions of one of the most important ozone depleting substances, CFC-11, had increased. This chemical was used ...
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https://www.sciencedaily.com/releases/2019/05/190522141808.htm
Last year, it was reported that emissions of one of the most important ozone depleting substances, CFC-11, had increased. This chemical was used ...
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25
Emissions of several ozone-depleting chemicals are larger ...
https://news.mit.edu/2020/emissions-ozone-cfc-chemicals-0317
The team also identified an unexpected and sizable source of another ozone-depleting chemical, CFC-113. This chemical was traditionally used ...
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https://news.mit.edu/2020/emissions-ozone-cfc-chemicals-0317
The team also identified an unexpected and sizable source of another ozone-depleting chemical, CFC-113. This chemical was traditionally used ...
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26
How Chlorofluorocarbons (CFCs) get to the Stratosphere ...
https://uk-air.defra.gov.uk/research/ozone-uv/moreinfo?view=cfc-stratosphere
For example, the two gases carbon tetrafluoride (CF4, produced mainly as a by-product of the manufacture of aluminum) and CFC-11 (CCl3F, used in a variety ...
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https://uk-air.defra.gov.uk/research/ozone-uv/moreinfo?view=cfc-stratosphere
For example, the two gases carbon tetrafluoride (CF4, produced mainly as a by-product of the manufacture of aluminum) and CFC-11 (CCl3F, used in a variety ...
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27
Chlorofluorocarbon Definition & Meaning - Merriam-Webster
https://www.merriam-webster.com/dictionary/chlorofluorocarbon
The meaning of CHLOROFLUOROCARBON is any of several simple gaseous compounds that contain carbon, chlorine, fluorine, and sometimes hydrogen, that are used ...
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https://www.merriam-webster.com/dictionary/chlorofluorocarbon
The meaning of CHLOROFLUOROCARBON is any of several simple gaseous compounds that contain carbon, chlorine, fluorine, and sometimes hydrogen, that are used ...
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28
CFCs - The Ozone Hole
https://www.theozonehole.org/cfc.htm
Freon represents several different chlorofluorocarbons, or CFCs, which are used in commerce and industry. The CFCs are a group of aliphatic organic compounds ...
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https://www.theozonehole.org/cfc.htm
Freon represents several different chlorofluorocarbons, or CFCs, which are used in commerce and industry. The CFCs are a group of aliphatic organic compounds ...
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29
Chlorofluorocarbons (CFCs) - Encyclopedia.com
https://www.encyclopedia.com/science/encyclopedias-almanacs-transcripts-and-maps/chlorofluorocarbons-cfcs
Chlorofluorocarbons (CFCs) are artificially made chemical compounds used as refrigerants, cleaning solvents, aerosol propellants, and blowing agents for ...
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https://www.encyclopedia.com/science/encyclopedias-almanacs-transcripts-and-maps/chlorofluorocarbons-cfcs
Chlorofluorocarbons (CFCs) are artificially made chemical compounds used as refrigerants, cleaning solvents, aerosol propellants, and blowing agents for ...
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30
Automobile Air Conditioners and Chlorofluorocarbons (CFCs)
https://p2infohouse.org/ref/01/00038.htm
Since chlorofluorocarbons (CFCs) were developed in the 1930s, they have been widely used as air conditioner (A/C) and refrigerator coolants, aerosol can ...
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https://p2infohouse.org/ref/01/00038.htm
Since chlorofluorocarbons (CFCs) were developed in the 1930s, they have been widely used as air conditioner (A/C) and refrigerator coolants, aerosol can ...
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31
5.2 CFCs and the Destruction of Ozone
http://www.ccpo.odu.edu/SEES/ozone/class/Chap_1/1_5.htm
Since then, other CFCs have been synthesized and produced in large quantities. CFCs have been extensively used in refrigerators and as propellants in aerosol ...
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http://www.ccpo.odu.edu/SEES/ozone/class/Chap_1/1_5.htm
Since then, other CFCs have been synthesized and produced in large quantities. CFCs have been extensively used in refrigerators and as propellants in aerosol ...
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32
CFC refrigerants - Gas Servei
https://gas-servei.com/en/products/refrigerants/cfc-refrigerants/
HFCs, with a zero ODP but a high global warming potential (GWP), are currently the most commonly used solutions throughout the world. CFCs, HCFCs and HFCs ...
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https://gas-servei.com/en/products/refrigerants/cfc-refrigerants/
HFCs, with a zero ODP but a high global warming potential (GWP), are currently the most commonly used solutions throughout the world. CFCs, HCFCs and HFCs ...
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33
Basic Ozone Layer Science | US EPA
https://www.epa.gov/ozone-layer-protection/basic-ozone-layer-science
Since they are not destroyed in the lower atmosphere, CFCs drift into the upper atmosphere where, given suitable conditions, they break down ...
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https://www.epa.gov/ozone-layer-protection/basic-ozone-layer-science
Since they are not destroyed in the lower atmosphere, CFCs drift into the upper atmosphere where, given suitable conditions, they break down ...
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34
Use of chlorofluorocarbons in hydrology : a guidebook
https://www-pub.iaea.org/MTCD/Publications/PDF/Pub1238_web.pdf
The pre-1975 atmospheric CFC mixing ratios used by the U.S. Geological. Survey Chlorofluorocarbon Laboratory for North America were normalized to.
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https://www-pub.iaea.org/MTCD/Publications/PDF/Pub1238_web.pdf
The pre-1975 atmospheric CFC mixing ratios used by the U.S. Geological. Survey Chlorofluorocarbon Laboratory for North America were normalized to.
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35
Chlorofluorocarbons (CFCs)
https://utslappisiffror.naturvardsverket.se/en/Substances/Other-gases/Chlorofluorocarbons/
CFCs have also been used as a cooling agent in refrigeration and air conditioning systems and in refrigerators3. During the 1960's to the 1990's CFCs were used ...
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https://utslappisiffror.naturvardsverket.se/en/Substances/Other-gases/Chlorofluorocarbons/
CFCs have also been used as a cooling agent in refrigeration and air conditioning systems and in refrigerators3. During the 1960's to the 1990's CFCs were used ...
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36
The Reston Groundwater Dating Laboratory
https://water.usgs.gov/lab/chlorofluorocarbons/background/
CFC-113 has been used primarily by the electronics industry in manufacture of semiconductor chips, in vapour degreasing and cold immersion ...
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https://water.usgs.gov/lab/chlorofluorocarbons/background/
CFC-113 has been used primarily by the electronics industry in manufacture of semiconductor chips, in vapour degreasing and cold immersion ...
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37
Destruction of Ozone Depleting Substances
https://americancarbonregistry.org/resources/destruction-of-ozone-depleting-substances
Carbon markets provide the financial incentive to destroy heat-trapping refrigerants before they leak into the atmosphere. Chlorofluorocarbons (CFCs) are a ...
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https://americancarbonregistry.org/resources/destruction-of-ozone-depleting-substances
Carbon markets provide the financial incentive to destroy heat-trapping refrigerants before they leak into the atmosphere. Chlorofluorocarbons (CFCs) are a ...
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38
CFC-Free Thermoelectric-Air Conditioners - EIC Solutions
https://www.eicsolutions.com/blog/commitment-to-being-cfc-free/
Chlorofluorocarbon (CFC) is a synthetic substance used in the refrigeration cycle of air conditioning and refrigeration equipment.
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https://www.eicsolutions.com/blog/commitment-to-being-cfc-free/
Chlorofluorocarbon (CFC) is a synthetic substance used in the refrigeration cycle of air conditioning and refrigeration equipment.
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39
CFCs and Cooling Equipment: The Size of the Problem
https://sgp.fas.org/othergov/doe/lanl/pubs/00326022.pdf
lieved that chlorine from CFCs is destroying stratospheric ozone, ... sions, to rapid elimination of CFC production. ... CFCs are used extensively as.
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https://sgp.fas.org/othergov/doe/lanl/pubs/00326022.pdf
lieved that chlorine from CFCs is destroying stratospheric ozone, ... sions, to rapid elimination of CFC production. ... CFCs are used extensively as.
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40
Emissions of Ozone-Destroying CFC-11 Back on Decline (Pt. I)
https://www.nrdc.org/experts/christina-theodoridi/emissions-ozone-destroying-cfc-11-back-decline
CFC-11 is an ozone-depleting chemical and potent greenhouse gas used widely as a refrigerant in building chillers, as a foam blowing agent in ...
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https://www.nrdc.org/experts/christina-theodoridi/emissions-ozone-destroying-cfc-11-back-decline
CFC-11 is an ozone-depleting chemical and potent greenhouse gas used widely as a refrigerant in building chillers, as a foam blowing agent in ...
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41
The Environmental Impact of Chlorofluorocarbon Use in ...
https://journal.chestnet.org/article/S0012-3692(16)32515-6/fulltext
Unfortunately, the propellant gas used to generate the medication aerosol in all MDIs is a mixture of chlorofluorocarbons (CFCs), and the continued ...
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https://journal.chestnet.org/article/S0012-3692(16)32515-6/fulltext
Unfortunately, the propellant gas used to generate the medication aerosol in all MDIs is a mixture of chlorofluorocarbons (CFCs), and the continued ...
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42
THE IMPACT OF THE CFC PHASE-OUT ON PG&E, ITS ...
https://www.osti.gov/servlets/purl/6168208
WHAT ARE CFCs AND HOW ARE THEY USED? Chlorofluorocarbons are a class of chemical compounds containing carbon and halo gens (that is, chlorine, fluorine, bromine ...
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https://www.osti.gov/servlets/purl/6168208
WHAT ARE CFCs AND HOW ARE THEY USED? Chlorofluorocarbons are a class of chemical compounds containing carbon and halo gens (that is, chlorine, fluorine, bromine ...
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43
Technical Options for Reducing Chlorofluorocarbon Emissions
https://www.rand.org/content/dam/rand/pubs/reports/2008/R2879.pdf
emissions of chlorofluorocarbons (CFCs) reacted with stratospheric ozone in a ... Weight Percent CFC-11 Used in Average Production of Slabstock Foam (for.
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https://www.rand.org/content/dam/rand/pubs/reports/2008/R2879.pdf
emissions of chlorofluorocarbons (CFCs) reacted with stratospheric ozone in a ... Weight Percent CFC-11 Used in Average Production of Slabstock Foam (for.
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44
The Montreal Protocol on Substances That Deplete the Ozone ...
https://www.state.gov/key-topics-office-of-environmental-quality-and-transboundary-issues/the-montreal-protocol-on-substances-that-deplete-the-ozone-layer/
In the 1970s, evidence began to surface that CFCs, which were used in everyday household products such as air conditioners and refrigerators, were depleting ...
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https://www.state.gov/key-topics-office-of-environmental-quality-and-transboundary-issues/the-montreal-protocol-on-substances-that-deplete-the-ozone-layer/
In the 1970s, evidence began to surface that CFCs, which were used in everyday household products such as air conditioners and refrigerators, were depleting ...
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45
How do CFCs destroy the ozone layer? - LifeGate
https://www.lifegate.com/how-cfcs-destroy-ozone-layer
Let's see in detail how CFCs, combined to ozone molecules, cause the ozone ... as long as CFCs are no longer used on a global level.
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https://www.lifegate.com/how-cfcs-destroy-ozone-layer
Let's see in detail how CFCs, combined to ozone molecules, cause the ozone ... as long as CFCs are no longer used on a global level.
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46
The science checklist applied: CFCs and the destruction of the ...
https://undsci.berkeley.edu/the-science-checklist-applied-cfcs-and-the-destruction-of-the-ozone-layer/
He also used published results on the naturally occurring mechanisms that break down ozone to show that CFCs lead to an increased rate of ozone depletion.
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https://undsci.berkeley.edu/the-science-checklist-applied-cfcs-and-the-destruction-of-the-ozone-layer/
He also used published results on the naturally occurring mechanisms that break down ozone to show that CFCs lead to an increased rate of ozone depletion.
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47
Common Coolants Contribute to Ozone Depletion - NASA
https://www.nasa.gov/press-release/goddard/nasa-study-shows-that-common-coolants-contribute-to-ozone-depletion
HFCs have been adopted as replacements for chlorofluorocarbons (CFC) and hydrochlorofluorocarbons (HCFC) in refrigerators and in home and ...
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https://www.nasa.gov/press-release/goddard/nasa-study-shows-that-common-coolants-contribute-to-ozone-depletion
HFCs have been adopted as replacements for chlorofluorocarbons (CFC) and hydrochlorofluorocarbons (HCFC) in refrigerators and in home and ...
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48
Production and consumption of ozone depleting substances ...
https://www.eea.europa.eu/data-and-maps/indicators/production-and-consumption-of-ozone/production-and-consumption-of-ozone-2
However, while HCFCs have largely replaced CFCs in both developed and ... minus the amount entirely used as feedstock in the manufacture of other chemicals.
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https://www.eea.europa.eu/data-and-maps/indicators/production-and-consumption-of-ozone/production-and-consumption-of-ozone-2
However, while HCFCs have largely replaced CFCs in both developed and ... minus the amount entirely used as feedstock in the manufacture of other chemicals.
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49
Ozone layer 'rescued' from CFC damage - BBC News
https://www.bbc.com/news/science-environment-56014092
CFCs stand for chlorofluorocarbons. This family of chemicals has seen widespread use in refrigeration and as propellants in aerosol cans. Their ...
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https://www.bbc.com/news/science-environment-56014092
CFCs stand for chlorofluorocarbons. This family of chemicals has seen widespread use in refrigeration and as propellants in aerosol cans. Their ...
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50
greenhouse-chloroflourocarbons and the ozone layer
http://www.dynamicscience.com.au/tester/solutions1/chemistry/greenhouse/cfc.htm
CFCs were used extensively in aerosols, air conditioners, refrigerators, and for solvents. Two major types of CFCs are trichlorofluorocarbon (CFCl3) and ...
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http://www.dynamicscience.com.au/tester/solutions1/chemistry/greenhouse/cfc.htm
CFCs were used extensively in aerosols, air conditioners, refrigerators, and for solvents. Two major types of CFCs are trichlorofluorocarbon (CFCl3) and ...
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51
CFCs in Foam Insulation: The Recovery Experience - ACEEE
https://www.aceee.org/files/proceedings/1994/data/papers/SS94_Panel4_Paper28.pdf
This exempt material is the CFC-11 used to create the polyurethane foam insulation in the appliances. Pending analysis of the results of ongoing studies, ...
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https://www.aceee.org/files/proceedings/1994/data/papers/SS94_Panel4_Paper28.pdf
This exempt material is the CFC-11 used to create the polyurethane foam insulation in the appliances. Pending analysis of the results of ongoing studies, ...
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52
Halocarbons: What Are They and Why Are They Important?
https://eos.org/editors-vox/halocarbons-what-are-they-and-why-are-they-important
CFCs and other halocarbons have long been known for causing an ozone hole ... CFC-12 was used as a refrigerant in domestic refrigerators.
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https://eos.org/editors-vox/halocarbons-what-are-they-and-why-are-they-important
CFCs and other halocarbons have long been known for causing an ozone hole ... CFC-12 was used as a refrigerant in domestic refrigerators.
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53
CHLOROFLUOROCARBONS AND OZONE
https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1751-1097.1992.tb08540.x
of the chlorine content of the CFC used in 1986. Since volcanic eruptions that inject material directly into the stratosphere are relatively infrequent, the.
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https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1751-1097.1992.tb08540.x
of the chlorine content of the CFC used in 1986. Since volcanic eruptions that inject material directly into the stratosphere are relatively infrequent, the.
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54
What are Chlorofluorocarbons (CFC)? - Workplace Testing
https://www.workplacetesting.com/definition/2097/chlorofluorocarbons-cfc
Chlorofluorocarbons (CFCs) are a combination of chemicals that can be used as refrigerants, aerosol propellants and as cleansers or organic solvents.
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https://www.workplacetesting.com/definition/2097/chlorofluorocarbons-cfc
Chlorofluorocarbons (CFCs) are a combination of chemicals that can be used as refrigerants, aerosol propellants and as cleansers or organic solvents.
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55
What are HFCs and how are they different from CFCs?
https://www.greenamerica.org/faq/what-are-hfcs-and-how-are-they-different-cfcs-0
HFCs are used as refrigerant to promote cooling in appliances such as refrigerators and air conditioners. Decades ago, appliances used chlorofluorocarbons (CFCs) ...
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https://www.greenamerica.org/faq/what-are-hfcs-and-how-are-they-different-cfcs-0
HFCs are used as refrigerant to promote cooling in appliances such as refrigerators and air conditioners. Decades ago, appliances used chlorofluorocarbons (CFCs) ...
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56
A 1980s ban on CFCs to heal the ozone layer is also shaving ...
https://www.cnn.com/2021/08/19/world/cfcs-ozone-montreal-protocol-climate-study-intl-scn
... in the 1980s to ban CFCs, chemicals once commonly used in aerosol sprays, refrigeration and air conditioners, according to a new study.
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https://www.cnn.com/2021/08/19/world/cfcs-ozone-montreal-protocol-climate-study-intl-scn
... in the 1980s to ban CFCs, chemicals once commonly used in aerosol sprays, refrigeration and air conditioners, according to a new study.
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57
CFCs (Chlorofluorocarbons)
https://www.ldeo.columbia.edu/~martins/isohydro/cfcs.html
CFCs or chlorofluorocarbons are compounds that are essentially inert in the troposphere. The main compounds used as tracers in natural systems are CFC 11 (CCl3F) ...
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https://www.ldeo.columbia.edu/~martins/isohydro/cfcs.html
CFCs or chlorofluorocarbons are compounds that are essentially inert in the troposphere. The main compounds used as tracers in natural systems are CFC 11 (CCl3F) ...
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58
Ozone-destroying CFCs could make late-21st-century comeback
https://www.livescience.com/cfcs-release-from-oceans-ozone-destruction.html
Because they are inert, nonflammable and nontoxic, CFCs were used in refrigerants, aerosol cans, and other household and industrial goods in ...
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https://www.livescience.com/cfcs-release-from-oceans-ozone-destruction.html
Because they are inert, nonflammable and nontoxic, CFCs were used in refrigerants, aerosol cans, and other household and industrial goods in ...
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59
Chlorofluorocarbons CFCs - Designing Buildings Wiki
https://www.designingbuildings.co.uk/wiki/Chlorofluorocarbons_CFCs
From the 1930s, CFCs became widely used in the United States for residential, commercial and automotive air conditioning systems. They were also ...
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https://www.designingbuildings.co.uk/wiki/Chlorofluorocarbons_CFCs
From the 1930s, CFCs became widely used in the United States for residential, commercial and automotive air conditioning systems. They were also ...
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60
uses of halogenoalkanes - Chemguide
https://www.chemguide.co.uk/organicprops/haloalkanes/uses.html
CFCs are non-flammable and not very toxic. They therefore had a large number of uses. They were used as refrigerants, propellants for aerosols, for generating ...
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https://www.chemguide.co.uk/organicprops/haloalkanes/uses.html
CFCs are non-flammable and not very toxic. They therefore had a large number of uses. They were used as refrigerants, propellants for aerosols, for generating ...
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61
Chlorofluorocarbons (CFCs) are used in: - Toppr
https://www.toppr.com/ask/question/chlorofluorocarbons-cfcs-are-used-in/
a) Refrigerators and air conditioners – Refrigerants are the most common emitter of CFC. If the coolant used in refrigerators, air conditioners, cars, ...
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https://www.toppr.com/ask/question/chlorofluorocarbons-cfcs-are-used-in/
a) Refrigerators and air conditioners – Refrigerants are the most common emitter of CFC. If the coolant used in refrigerators, air conditioners, cars, ...
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62
Chlorofluorocarbons - The Ozone Hole
https://theozonehole.com/cfc.htm
Over the years, it became an important chemical product for refrigeration. However,, today it is used less frequently because CFC components, ...
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https://theozonehole.com/cfc.htm
Over the years, it became an important chemical product for refrigeration. However,, today it is used less frequently because CFC components, ...
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63
Study suggests China's crackdown on illegal CFC gases is ...
https://www.climatechangenews.com/2021/02/10/study-suggests-chinas-crackdown-illegal-cfc-gases-working/
CFC-11 is a potent ozone depleting gas and has a global warming potential 4,750 times that of carbon dioxide. It is primarily used to produce ...
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https://www.climatechangenews.com/2021/02/10/study-suggests-chinas-crackdown-illegal-cfc-gases-working/
CFC-11 is a potent ozone depleting gas and has a global warming potential 4,750 times that of carbon dioxide. It is primarily used to produce ...
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64
Different Types of CFC Refrigerant - eHow
https://www.ehow.com/list_6904339_different-types-cfc-refrigerant.html
A refrigerant is a substance used to cause or provide cooling. A CFC (chlorofluorocarbon) refrigerant is a colorless, odorless gas that contains chlorine, ...
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https://www.ehow.com/list_6904339_different-types-cfc-refrigerant.html
A refrigerant is a substance used to cause or provide cooling. A CFC (chlorofluorocarbon) refrigerant is a colorless, odorless gas that contains chlorine, ...
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65
Chlorofluorocarbon definition and meaning - Collins Dictionary
https://www.collinsdictionary.com/us/dictionary/english/chlorofluorocarbon
Chlorofluorocarbons were once widely used as aerosol propellants but were replaced by less harmful substances. Chlorofluorocarbons are various compounds ...
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https://www.collinsdictionary.com/us/dictionary/english/chlorofluorocarbon
Chlorofluorocarbons were once widely used as aerosol propellants but were replaced by less harmful substances. Chlorofluorocarbons are various compounds ...
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66
Healing the Ozone Layer: Chemist says Treaty is Working
https://www.nationalgeographic.com/pages/article/130416-ozone-layer-aerosol-environment-science-montreal-protocol
The international treaty, which opened for signature in 1987, created controls on the use of CFCs, gases used as coolants in refrigerators ...
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https://www.nationalgeographic.com/pages/article/130416-ozone-layer-aerosol-environment-science-montreal-protocol
The international treaty, which opened for signature in 1987, created controls on the use of CFCs, gases used as coolants in refrigerators ...
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67
Chloro-fluorocarbons (CFCs) Definition - OECD Statistics
https://stats.oecd.org/glossary/detail.asp?ID=330
Chloro-fluorocarbons (CFCs) are inert, non-toxic and easily liquefied chemicals used in refrigeration, air-conditioning, packaging and ...
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https://stats.oecd.org/glossary/detail.asp?ID=330
Chloro-fluorocarbons (CFCs) are inert, non-toxic and easily liquefied chemicals used in refrigeration, air-conditioning, packaging and ...
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68
Chlorofluorocarbon - Preparation, Properties, Examples and ...
https://www.vedantu.com/chemistry/chlorofluorocarbon
CFCs are used for different applications because of their low toxicity, reactivity and flammability. The CFC compounds of chlorine, fluorine, and hydrogen ...
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https://www.vedantu.com/chemistry/chlorofluorocarbon
CFCs are used for different applications because of their low toxicity, reactivity and flammability. The CFC compounds of chlorine, fluorine, and hydrogen ...
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69
MOTD CFC's
http://iverson.cm.utexas.edu/courses/310N/MOTD%20Fl05/MOTDfl03/CFCs.html
Molecule of the Day: CFC's ; Chlorofluorocarbons (CFC's) have been used for a long time as refrigerants because they have the proper boiling point to operate in ...
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http://iverson.cm.utexas.edu/courses/310N/MOTD%20Fl05/MOTDfl03/CFCs.html
Molecule of the Day: CFC's ; Chlorofluorocarbons (CFC's) have been used for a long time as refrigerants because they have the proper boiling point to operate in ...
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70
Chlorofluorocarbons - BioNinja
http://ib.bioninja.com.au/options/option-c-ecology-and-conser/c3-impacts-of-humans-on/chlorofluorocarbons.html
Chlorofluorocarbons (CFCs) are chemicals that have been widely used in past as refrigerants, propellants and solvents. As CFCs contribute to ozone depletion ...
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http://ib.bioninja.com.au/options/option-c-ecology-and-conser/c3-impacts-of-humans-on/chlorofluorocarbons.html
Chlorofluorocarbons (CFCs) are chemicals that have been widely used in past as refrigerants, propellants and solvents. As CFCs contribute to ozone depletion ...
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71
Stratospheric carbon isotope fractionation and tropospheric ...
https://acp.copernicus.org/articles/21/6857/2021/acp-21-6857-2021.pdf
Measurements of firn air were used to construct histories of the tropospheric iso- topic composition, δT(13C), for CFC-11 (1950s to 2009),.
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https://acp.copernicus.org/articles/21/6857/2021/acp-21-6857-2021.pdf
Measurements of firn air were used to construct histories of the tropospheric iso- topic composition, δT(13C), for CFC-11 (1950s to 2009),.
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72
Chlorofluorocarbons (CFCs)
https://cdphe.colorado.gov/chlorofluorocarbons-cfcs
Oversee the CFC program by conducting training and inspections & implementing ... Registration is required of all commercial refrigeration systems used to ...
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https://cdphe.colorado.gov/chlorofluorocarbons-cfcs
Oversee the CFC program by conducting training and inspections & implementing ... Registration is required of all commercial refrigeration systems used to ...
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73
Chlorofluorocarbon - Management of Toxic Substances
https://ec.gc.ca/toxiques-toxics/Default.asp?lang=En&n=10C1D91B-1
They are hydrocarbon derivatives where all hydrogen atoms are replaced by chlorine and fluorine atoms. CFCs are found in numerous applications: ...
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https://ec.gc.ca/toxiques-toxics/Default.asp?lang=En&n=10C1D91B-1
They are hydrocarbon derivatives where all hydrogen atoms are replaced by chlorine and fluorine atoms. CFCs are found in numerous applications: ...
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74
What would have happened if we'd carried on using CFCs?
https://www.sciencefocus.com/planet-earth/what-would-have-happened-if-wed-carried-on-using-cfcs/
Chlorofluorocarbons (CFCs), which were used in fridges, aerosols and air conditioners. As CFCs entered the atmosphere, they released chlorine atoms which ...
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https://www.sciencefocus.com/planet-earth/what-would-have-happened-if-wed-carried-on-using-cfcs/
Chlorofluorocarbons (CFCs), which were used in fridges, aerosols and air conditioners. As CFCs entered the atmosphere, they released chlorine atoms which ...
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75
CFC Appliance Recycling and Recovery Practices
https://essr.umd.edu/about/environmental-affairs/cfc-appliance-recycling-and-recovery-practices
Introduction Ozone depleting substances used in refrigeration and air conditioning appliances include chlorofluorocarbons and hydrochlorofluorocarbons, ...
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https://essr.umd.edu/about/environmental-affairs/cfc-appliance-recycling-and-recovery-practices
Introduction Ozone depleting substances used in refrigeration and air conditioning appliances include chlorofluorocarbons and hydrochlorofluorocarbons, ...
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76
Chlorofluorocarbon CFC and Freon - Industrial Wastes
https://www.climate-policy-watcher.org/industrial-wastes/chlorofluorocarbon-cfc-and-freon.html
Freon is a commercial trademark for a series of fluorocarbon products used in refrigeration and air-conditioning equipment, ...
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https://www.climate-policy-watcher.org/industrial-wastes/chlorofluorocarbon-cfc-and-freon.html
Freon is a commercial trademark for a series of fluorocarbon products used in refrigeration and air-conditioning equipment, ...
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77
Oceans helped absorb our CFCs. They're now going to emit ...
https://news.mongabay.com/2021/03/oceans-helped-absorb-our-cfcs-theyre-now-going-to-emit-them-back-out/
Right now, the ocean primarily acts as a repository for CFCs, drawing these water-soluble chemicals — once used in refrigerants, ...
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https://news.mongabay.com/2021/03/oceans-helped-absorb-our-cfcs-theyre-now-going-to-emit-them-back-out/
Right now, the ocean primarily acts as a repository for CFCs, drawing these water-soluble chemicals — once used in refrigerants, ...
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78
The Ozone Layer - UCAR Center for Science Education
https://scied.ucar.edu/learning-zone/atmosphere/ozone-layer
Once in the atmosphere, CFCs drift slowly upward to the stratosphere, where they are broken up by ultraviolet radiation, releasing chlorine atoms, which are ...
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https://scied.ucar.edu/learning-zone/atmosphere/ozone-layer
Once in the atmosphere, CFCs drift slowly upward to the stratosphere, where they are broken up by ultraviolet radiation, releasing chlorine atoms, which are ...
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79
Distinct Inferences of CFC's - WorldOfChemicals
https://www.worldofchemicals.com/594/chemistry-articles/distinct-inferences-of-cfcs.html
CFCs and HCFCs are used in a several applications because of their low toxic, reactive and flammable nature. Every variation of fluorine, chlorine and ...
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https://www.worldofchemicals.com/594/chemistry-articles/distinct-inferences-of-cfcs.html
CFCs and HCFCs are used in a several applications because of their low toxic, reactive and flammable nature. Every variation of fluorine, chlorine and ...
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80
What are some common uses of CFC's today? - Quora
https://www.quora.com/What-are-some-uses-of-chlorofluorocarbon-CFC
The most common refrigerants used in the 20th century are Fluorocarbons, especially chlorofluorocarbons (CFCS).As these refrigerants were found to adversely ...
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https://www.quora.com/What-are-some-uses-of-chlorofluorocarbon-CFC
The most common refrigerants used in the 20th century are Fluorocarbons, especially chlorofluorocarbons (CFCS).As these refrigerants were found to adversely ...
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81
Encyclopedia of Global Warming & Climate Change
https://sk.sagepub.com/reference/globalwarming2ed/n133.xml
As the uses for various CFCs expanded, human economical activities such as manufacturing and transportation became its main direct emitters and air polluters.
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https://sk.sagepub.com/reference/globalwarming2ed/n133.xml
As the uses for various CFCs expanded, human economical activities such as manufacturing and transportation became its main direct emitters and air polluters.
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82
Ozone: The Good, the Bad, and the CFCs | PBS LearningMedia
https://www.pbslearningmedia.org/resource/the-good-the-bad-the-cfcs/ozone-video/
› resource › ozone-video
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https://www.pbslearningmedia.org/resource/the-good-the-bad-the-cfcs/ozone-video/
› resource › ozone-video
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83
Australian chlorofluorocarbon (CFC) emissions: 1960-2017
https://www.publish.csiro.au/en/pdf/EN19322
CFCs used in aerosol cans and as solvents are typically released to the atmo- sphere within a few years of production, while CFCs in refrig-.
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https://www.publish.csiro.au/en/pdf/EN19322
CFCs used in aerosol cans and as solvents are typically released to the atmo- sphere within a few years of production, while CFCs in refrig-.
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84
Why your next refrigerator may have a radical makeover
https://www.fastcompany.com/90633538/why-your-next-refrigerator-may-have-a-radical-but-invisible-makeover
CFCs were destroying the ozone layer high in the Earth's atmosphere, which is essential for protecting life from the sun's harmful ultraviolet ...
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https://www.fastcompany.com/90633538/why-your-next-refrigerator-may-have-a-radical-but-invisible-makeover
CFCs were destroying the ozone layer high in the Earth's atmosphere, which is essential for protecting life from the sun's harmful ultraviolet ...
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85
CFC (Chlorofluorocarbon) Appliance Repair - Environmental ...
https://sc.edu/about/offices_and_divisions/ehs/occupational_and_environmental_safety/environmental_management/chlorofluorocarbon_appliance_repair/index.php
Prohibition of venting ozone-depleting substances into the atmosphere · Evacuation of refrigerant when major repairs are done · Recovery and recycling of used ...
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https://sc.edu/about/offices_and_divisions/ehs/occupational_and_environmental_safety/environmental_management/chlorofluorocarbon_appliance_repair/index.php
Prohibition of venting ozone-depleting substances into the atmosphere · Evacuation of refrigerant when major repairs are done · Recovery and recycling of used ...
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86
Video: Ozone: The Good, the Bad, and the CFCs
https://www.calacademy.org/educators/ozone-the-good-the-bad-and-the-cfcs
While this system of reactions is naturally in balance, manmade gases called chlorofluorocarbons (CFCs) that were used in refrigerators, air conditioners, ...
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https://www.calacademy.org/educators/ozone-the-good-the-bad-and-the-cfcs
While this system of reactions is naturally in balance, manmade gases called chlorofluorocarbons (CFCs) that were used in refrigerators, air conditioners, ...
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87
The cool way to destroy CFCs | New Scientist
https://www.newscientist.com/article/mg14920143-600-the-cool-way-to-destroy-cfcs/
The unsaturated compounds can then be used as building blocks for new chemicals. Andersen says anything that brings down the cost of destroying ...
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https://www.newscientist.com/article/mg14920143-600-the-cool-way-to-destroy-cfcs/
The unsaturated compounds can then be used as building blocks for new chemicals. Andersen says anything that brings down the cost of destroying ...
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88
Ozone-Depleting Substances: Alternatives
https://www.ifc.org/wps/wcm/connect/f9dff68b-68ba-4a6d-97a1-7ec85340eae3/HandbookOzoneDepletingSubstancesAlternatives.pdf?MOD=AJPERES&CVID=jqeAGzA
bons (CFCs) and other ozone-destroying chemi- ... ozone layer is less than that of CFC-11. ... that have used CFC-114 can be converted to use.
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https://www.ifc.org/wps/wcm/connect/f9dff68b-68ba-4a6d-97a1-7ec85340eae3/HandbookOzoneDepletingSubstancesAlternatives.pdf?MOD=AJPERES&CVID=jqeAGzA
bons (CFCs) and other ozone-destroying chemi- ... ozone layer is less than that of CFC-11. ... that have used CFC-114 can be converted to use.
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89
Ozone-destroying chemical is on the rise despite crackdown
https://www.science.org/content/article/ozone-destroying-chemical-rise-despite-crackdown
The chemical, used chiefly to make foam insulation for appliances such as refrigerators, is part of a family of fluorocarbon molecules blamed ...
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https://www.science.org/content/article/ozone-destroying-chemical-rise-despite-crackdown
The chemical, used chiefly to make foam insulation for appliances such as refrigerators, is part of a family of fluorocarbon molecules blamed ...
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90
CFCs - Lord Grey Academy
https://www.lordgrey.org.uk/~f014/usefulresources/aric/Resources/Fact_Sheets/Key_Stage_4/Ozone_Depletion/05.html
In the past, CFCs have been widely used as coolants in refrigeration and air conditioners, as solvents in cleaners, particularly for electronic circuit ...
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https://www.lordgrey.org.uk/~f014/usefulresources/aric/Resources/Fact_Sheets/Key_Stage_4/Ozone_Depletion/05.html
In the past, CFCs have been widely used as coolants in refrigeration and air conditioners, as solvents in cleaners, particularly for electronic circuit ...
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91
What Are Some Ways to Lower the Use of CFCs and HCFCs?
https://homeguides.sfgate.com/ways-lower-use-cfcs-hcfcs-78492.html
What Are Some Ways to Lower the Use of CFCs and HCFCs?. CFCs, or chlorofluorocarbons, also referred to as freons, consist of various combinations of ...
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https://homeguides.sfgate.com/ways-lower-use-cfcs-hcfcs-78492.html
What Are Some Ways to Lower the Use of CFCs and HCFCs?. CFCs, or chlorofluorocarbons, also referred to as freons, consist of various combinations of ...
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92
Evolution of Policy Responses to Stratospheric Ozone Depletion
http://www.ciesin.org/docs/003-006/003-006.html
CFCs AND THE OZONE LAYER. Chlorofluorocarbons are a group of inert, nontoxic, and nonflammable synthetic chemical compounds used as aerosol propellants, ...
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http://www.ciesin.org/docs/003-006/003-006.html
CFCs AND THE OZONE LAYER. Chlorofluorocarbons are a group of inert, nontoxic, and nonflammable synthetic chemical compounds used as aerosol propellants, ...
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