"SDN:P07::CF12N354" . "3" . "accepted"@en . "" . . "SDN:P07::CF12N354" . . . . "mass_fraction_of_cfc12_in_air"@en . "\"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 for CFC12 is CF2Cl2. The IUPAC name for CFC12 is dichloro(difluoro)methane."@en . "3" . . . . . "SDN:P07::CF12N354" . "2019-05-14 17:27:19.0" . "false" . . "2019-05-14 17:27:19.0" . .