. . . . . "SDN:P07::CF12N351" . "2019-05-14 17:27:19.0" . "SDN:P07::CF12N351" . "false" . "2019-05-14 17:27:19.0" . . "" . "accepted"@en . "mass_fraction_of_cfc113a_in_air"@en . "3" . "\"Mass fraction\" is used in the construction \"mass_fraction_of_X_in_Y\", where X is a material constituent of Y. It means the ratio of the mass of X to the mass of Y (including X). A chemical or biological species denoted by X may be described by a single term such as \"nitrogen\" or a phrase such as \"nox_expressed_as_nitrogen\". The chemical formula of CFC113a is CCl3CF3. The IUPAC name for CFC113a is 1,1,1-trichloro-2,2,2-trifluoroethane."@en . . "SDN:P07::CF12N351" . "3" . . . .