"SDN:P07::FPJS5KF0" . . . . "\"Mass concentration\" means mass per unit volume and is used in the construction \"mass_concentration_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\". Copper means copper in all chemical forms, commonly referred to as \"total copper\". \"Sea floor sediment\" is sediment deposited at the sea bed."@en . "false" . . "SDN:P07::FPJS5KF0" . "2024-01-18 09:01:44.0" . "" . . . "1" . "accepted"@en . "1" . "SDN:P07::FPJS5KF0" . "mass_concentration_of_copper_in_sea_floor_sediment"@en . "2024-01-18 09:01:44.0" .