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The sulphur content of three rapeseed reference materials has been certified on the basis of measurements made by inductively coupled plasma-optical emission spectroscopy, isotope-dilution mass spectrometry and ion chromatography. Their suitability for the calibration of X-ray fluorescence spectrometers used for measuring sulphur in rapeseed samples is established.

Additional information

Authors: WAGSTAFFE P J, CEC Bruxelles (BE);BOENKE A, CEC Bruxelles (BE);SCHNUG E, Christian Albrechts University, Institute for Plant Nutrition and Soil Science, Kiel (DE);LINDSEY A S, Project Alpha, Leatherhead (GB)
Bibliographic Reference: Article: Fresenius' Journal of Analytical Chemistry (1992) No. 344, pp. 1-7
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