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According to ASHRAE standard 34, the R-number of a chemical refrigerant is assigned systematically according to its molecular structure and has between two and four digits. If there are carbon-carbon multiple bonds, there are four digits in all: the number of these bonds is the first digit and the number of carbon atoms minus one (C-1) is next ...
1,2-Dichlorotetrafluoroethane, or R-114, also known as cryofluorane (), is a chlorofluorocarbon (CFC) with the molecular formula ClF 2 CCF 2 Cl. Its primary use has been as a refrigerant.
4 Dangers. 5 See also. 6 References. ... Freon 113 Frigen 113 TR Freon TF Valclene 1,1,2-trichlorotrifluoroethane TCTFE Solvent 113. Identifiers CAS Number.
1,1-Difluoroethane, or DFE, is an organofluorine compound with the chemical formula C 2 H 4 F 2.This colorless gas is used as a refrigerant, where it is often listed as R-152a (refrigerant-152a) or HFC-152a (hydrofluorocarbon-152a).
The researchers also determined that people who use their stoves at home 110 days a year had exposure to nitrogen dioxide that exceeds the World Health Organization’s recommended 200 µg/m3 for ...
1,1,1,2-Tetrafluoroethane (also known as norflurane (), R-134a, Klea 134a, Freon 134a, Forane 134a, Genetron 134a, Green Gas, Florasol 134a, Suva 134a, HFA-134a, or HFC-134a) is a hydrofluorocarbon (HFC) and haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion potential and a lower 100-year global warming ...
From E. coli traced to slivered onions on McDonald's Quarter Pounders to mass recalls of frozen waffles due to listeria risk, foodborne illness seems ever-present in the headlines.
The best way to protect yourself is to be careful about what info you offer up. Be careful: ChatGPT likes it when you get personal. 10 things not to say to AI