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• 1993:11 Methods for determination of strontium -90 in food and environmental samples by Cerenkov counting

  for determination of strontuim-90 (=yttrium-90) by HDEHPextraction of yttrium-90 and counting the Cerenkov radiation in a liquid scintillation counter, is applicable for all kind of samples. Prior to analyses ... ashed. The ash is dissolved in 1 molar hydrochloric acid and, at pH 1.0-1.2 the yttrium-90 is extracted from the solution with 10% HDEHP. All mono and divalent ions will stay in the acid phase. Yttrium-90...

  Innehållstyp: Publikationer