. "2018-12-17 17:17:12.0" . "2" . "false" . . . "SDN:P07::CF12N54" . . . . "2" . "\"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 HCFC142b is CH3CClF2. The IUPAC name for HCFC142b is 1-chloro-1,1-difluoroethane."@en . "2018-12-17 17:17:12.0" . . "" . . . "atmosphere_mass_content_of_hcfc142b"@en . "accepted"@en . "SDN:P07::CF12N54" . "SDN:P07::CF12N54" .