Browsing by Author "Kalfjøs, Helen Therese"

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    • Ekstraksjon av fosfonsyrer fra vannfase ved hjelp av fast fase ekstraksjon 

      Tørnes, John Aasulf; Hansen, Lise-Lotte; Kalfjøs, Helen Therese; Opstad, Aase Mari; Røen, Bent T. (2000)
      Methylation of methylphosphonic acids with diazometane gives good results, even if the eluate is acidic. Extraction of methylphosphonic acids from water using solid phase extraction has been tested with three differents ...