Extraction of selected elements from commercial fertilizers
Stefan S. Petrović,
Jelena М. Mrmošanin,
Biljana B. Arsić
Abstract:Two commercial fertilizers preparation methods for ICP OES analysis of were used for two different fertilizers types: urea and NPK (mineral fertilizer containing nutrients N, P, and K), as organic and inorganic fertilizers, respectively. The aim of our research was the comparison of two methods for the preparation of samples, the determination of the contents of elements, and the comparison of obtained results with the maximum allowed concentrations. The first preparation method consists of digestion with 18.5… Show more
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