. "SDN:P07::KTNC31AC" . "false" . "1" . "SDN:P07::KTNC31AC" . "SDN:P07::KTNC31AC" . . . . . "The construction \"moles_of_X_per_unit_mass_in_Y\" is also called \"molality\" of X in Y, where X is a material constituent of Y. A chemical species or biological group 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 of ammonium is NH4. The equivalent term in the NERC P01 Parameter Usage Vocabulary may be found at http://vocab.nerc.ac.uk/collection/P01/current/MDMAP004/3/."@en . "accepted"@en . . "2023-10-16 17:23:15.0" . "1" . "" . "moles_of_ammonium_per_unit_mass_in_sea_water"@en . "2023-10-16 17:23:15.0" .