. . . . . . . . . . . . "TrapMatWCont" . . "Unavailable"@en . . . "SDN:P01::WXCNICXX" . . "accepted"@en . . . . "Concentration of tungsten {W CAS 7440-33-7} per unit dry weight of suspended particulate material by sediment trapping and inductively-coupled plasma mass spectrometry"@en . . . . . . . . . .