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[en] Radioisotope-induced X-ray fluorescence analysis is a rather simple and easy method for investigating ashed plant material. In order to reduce matrix effects thin samples of 2 mg/cm2 are analysed to obtain a reasonable compromise between maximum sensitivity and the lowest possible absorption effects. Concentrations are determined by standard addition method. An accuracy of 6-8% can be achieved. As an application analytical results are given for whole grains of several sorts of wheat. (author)
Source
Jun 1982; 12 p; ISBN 963 371 922 4; 
; 11 refs.
; 11 refs.