. . "2007-11-21 17:19:40.0" . . . "SDN:P07::CFV7N52" . "SDN:P07::CFV7N52" . "2007-11-21 17:19:40.0" . . "mole_fraction_of_gaseous_divalent_mercury_in_air"@en . "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. \"Divalent mercury\" means all compounds in which the mercury has two binding sites to other ion(s) in a salt or to other atom(s) in a molecule."@en . "1" . . "SDN:P07::CFV7N52" . "accepted"@en . "1" . . . "false" . . "" .