.
"SDN:P07::CF12N242" .
"\"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 for CFC12 is CF2Cl2. The IUPAC name for CFC12 is dichloro(difluoro)methane."@en .
.
"SDN:P07::CF12N242" .
"2019-05-14 17:27:19.0" .
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.
"2019-05-14 17:27:19.0" .
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"SDN:P07::CF12N242" .
.
"" .
"2" .
.
"false" .
"2" .
"accepted"@en .
"mass_concentration_of_cfc12_in_air"@en .