. . . . "2019-05-14 17:27:19.0" . "false" . "2" . "SDN:P07::CF12N238" . "2019-05-14 17:27:19.0" . . "" . "SDN:P07::CF12N238" . . "\"Mass concentration\" means mass per unit volume and is used in the construction \"mass_concentration_of_X_in_Y\", where X is a material constituent of Y. 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 CFC113 is CCl2FCClF2. The IUPAC name for CFC113 is 1,1,2-trichloro-1,2,2-trifluoroethane."@en . "accepted"@en . . . . "mass_concentration_of_cfc113_in_air"@en . "SDN:P07::CF12N238" . "2" .