Evaluation of fundamental parameters method for biological materials and soil analysis by energy dispersive x-ray spectrometry
Muia, Lavi M
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Two methods of determination of trace elements in plant materials, viz. the fundamental parameters method (FPM) and the empirical method with the use of standard samples, were compared. Hay CRM and fresh tea leaves were used in measurements. Good agreement was achieved for the determination of a number of elements by both methods. Also Soil-7 Certified Reference Material (CRM) was analysed using emission-transmission method for absorption correction and FPM for concentration determination. The agreement with CRM was found to be reasonably good for several elements.