Climate Change 2001:
Working Group I: The Scientific Basis
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Appendix VII - Some chemical symbols used in this report

C carbon (there are three isotopes: 12C, 13C, 14C)
Ca calcium
CaCO3 calcium carbonate
CCl4 carbon tetrachloride
CF4 perfluoromethane
C2F6 perfluoroethane
C3F8 perfluoropropane
C4F8 perfluorocyclobutane
C4F10 perfluorobutane
C5F12 perfluoropentane
C6F14 perfluorohexane
CFC chlorofluorocarbon
CFC-11 CFCl3 (trichlorofluoromethane)
CFC-12 CF2Cl2 (dichlorodifluoromethane)
CFC-13 CF3Cl (chlorotrifluoromethane)
CFC-113 CF2ClCFCl2 (trichlorotrifluoroethane)
CFC-114 CF2ClCF2Cl (dichlorotetrafluoroethane)
CFC-115 CF3CF2Cl (chloropentafluoroethane)
CF3I trifluoroiodomethane
CH4 methane
C2H6 ethane
C5H8 isoprene
C6H6 benzene
C7H8 toluene
C10H16 terpene
CH3Br methylbromide
CH3CCl3 methyl chloroform
CHCl3 chloroform/trichloromethane
CH2Cl2 dichloromethane/methylene chloride
CH3Cl methylchloride
CH3OCH3 dimethyl ether
CO carbon monoxide
CO2 carbon dioxide
CO32- carbonate ion
DIC dissolved inorganic carbon
DOC dissolved organic carbon
H2 hydrogen
halon-1211 CF2ClBr
halon-1301 CF3Br
halon-2402 CF2BrCF2Br
HCFC hydrochlorofluorocarbon
HCFC-21 CHCl2F
HCFC-22 CHF2Cl
HCFC-123 C2F3HCl2
HCFC-124 CF3CHClF
HCFC-141b CH3CFCl2
HCFC-142b CH3CF2Cl
HCFC-225ca CF3CF2CHCl2
HCFC-225cb CClF2CF2CHClF
HCFE-235da2 CF3CHClOCHF2
HCO3- bicarbonate ion
HFC hydrofluorocarbon
HFC-23 CHF3
HFC-32 CH2F2
HFC-41 CH3F
HFC-125 CHF2CF3
HFC-134 CHF2CHF2
HFC-134a CF3CH2F
HFC-143 CH2F CHF2
HFC-143a CH3CF3
HFC-152 CH2FCH2F
HFC-152a CH3CHF2
HFC-161 CH3CH2F
HFC-227ea CF3CHFCF3
HFC-236cb CF3CF2CH2F
HFC-236ea CF3CHFCHF2
HFC-236fa CF3CH2CF3
HFC-245ca CH2FCF2CHF2
HFC-245ea CHF2CHFCHF2
HFC-245eb CF3CHFCH2F
HFC-245fa CHF2CH2CF3
HFC-263fb CF3CH2CH3
HFC-338pcc CHF2CF2CF2CF2H
HFC-356mcf CF3CF2CH2CH2F
HFC-356mff CF3CH2CH2CF3
HFC-365mfc CF3CH2CF2CH3
HFC-43-10mee CF3CHFCHFCF2CF3
HFC-458mfcf CF3CH2CF2CH2CF3
HFC-55-10mcff CF3CF2CH2CH2CF2CF3
HFE-125 CF3OCHF2
HFE-134 CF2HOCF2H
HFE-143a CF3OCH3
HFE-152a CH3OCHF2
HFE-227ea CF3CHFOCF3
HFE-236ea2 CF3CHFOCHF2
HFE-236fa CF3CH2OCF3
HFE-245cb2 CF3CF2OCH3
HFE-245fa1 CHF2CH2OCF3
HFE-245fa2 CHF2OCH2CF3
HFE-254cb2 CHF2CF2OCH3
HFE-263fb2 CF3CH2OCH3
HFE-329mcc2 CF3CF2OCF2CHF2
HFE-338mcf2 CF3CF2OCH2CF3
HFE-347mcc3 CF3CF2CF2OCH3
HFE-347mcf2 CF3CF2OCH2CHF2
HFE-356mec3 CF3CHFCF2OCH3
HFE-356mff2 CF3CH2OCH2CF3
HFE-356pcc3 CHF2CF2CF2OCH3
HFE-356pcf2 CHF2CF2OCH2CHF2
HFE-356pcf3 CHF2CF2CH2OCHF2
HFE-365mcf3 CF3CF2CH2OCH3
HFE-374pc2 CHF2CF2OCH2CH3
HFE-7100 C4F9OCH3
HFE-7200 C4F9OC2H5
HFOC-125 CF3OCHF2
HFOC-134 CF2HOCF2H
HFOC-143a CF3OCH3
HFOC-152a CH3OCHF2
HFOC-245fa CHF2OCH2CF3
HFOC-356mmf CF3CH2OCH2CF3
HG-01 CHF2OCF2CF2OCHF2
HG-10 CHF2OCF2OCHF2
H-Galden 1040x CHF2OCF2OC2F4OCHF2
HNO3 nitric acid
HO2 hydroperoxyl
HOx the sum of OH and HO2
H2O water vapour
H2SO4 sulphuric acid
N2 molecular nitrogen
NF3 nitrogen trifluoride
NH3 ammonia
NH4+ ammonium ion
NMHC non-methane hydrocarbon
NO nitric oxide
NO2 nitrogen dioxide
NOx nitrogen oxides (the sum of NO and NO2)
NO3 nitrate radical
NO3- nitrate ion
N2O nitrous oxide
O2 molecular oxygen
O3 ozone
OCS organic carbonyl sulphide
OH hydroxyl radical
PAN peroxyacetyl nitrate
PFC perfluorocarbon
SF6 sulphur hexafluoride
SF5CF3 trifluoromethyl sulphur pentafluoride
SO2 sulphur dioxide
SO42- sulphate ion
VOC volatile organic compounds


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