. . . . . . . . . . . . . . . . . . "Concentration of hafnium {Hf CAS 7440-58-6} per unit dry weight of suspended particulate material by sediment trapping and inductively-coupled plasma mass spectrometry"@en . . . "accepted"@en . . . . . . "TrapMatHfCont" . . "SDN:P01::HFCNICXX" . "Unavailable"@en . . .