. "SDN:P07::CFV8N32" . . "2008-04-15 14:00:00.0" . . "1" . "" . "SDN:P07::CFV8N32" . . . "mole_fraction_of_hydrogen_bromide_in_air"@en . . . "Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chemical formula of hydrogen bromide is HBr."@en . "2008-04-15 14:00:00.0" . "1" . . "false" . "SDN:P07::CFV8N32" . "accepted"@en .