. "atmosphere_mass_content_of_nitric_acid"@en . "accepted"@en . "" . . . "1" . . "\"Content\" indicates a quantity per unit area. The \"atmosphere content\" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including content_of_atmosphere_layer are used. The chemical formula for nitric acid is HNO3."@en . . "2009-07-06 15:41:29.0" . "SDN:P07::CF12N80" . "1" . "false" . . "SDN:P07::CF12N80" . . "2009-07-06 15:41:29.0" . . "SDN:P07::CF12N80" .