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DIN EN 15749:2010
Fertilizers - Determination of sulfates content using three different methods; German version EN 15749:2009
This document specifies three different methods (Methods A, B and C) for the determination of sulfur present in fertilizers extracts in the form of sulfates. Method A specifies the gravimetric procedure. Method B specifies the method using inductively coupled plasma optical spectrometry (ICP-OES). Method C specifies the method using ion chromatography (IC). The methods have been validated in the frame of european inter-laboratory tests.
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Deutsches Institut für Normung [din]