Blar i NIVA-rapporter på emneord "barite"

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    • Bioavailability of heavy metals in drilling muds 

      Schaanning, M.; Ruus, A.; Bakke, T.; Hylland, Ketil; Olsgard, Frode (NIVA-rapport;4571, Research report, 2002)
      Experimental work on uptake of metals from sediments spiked with barite, ilmenite and hematite were performed using the ragworm Nereis diversicolor and the netted dog whelk Hinia (Nassarius) reticulata as test organisms. ...

    • Bioavailability of metals in weight materials for drilling muds 

      Schaanning, M.; Ruus, A.; Bakke, T.; Hylland, K.; Olsgard, F. (NIVA-rapport;4597, Research report, 2002)
      Bioaccumulation of metals from various weight materials used in drilling muds was determined after 28 days exposure of polychaetes (Nereis diversicolor) and gastropodes (Hinia (Nassarius) reticulata) to spiked sediments. ...