This standard BS EN 15749:2022 Fertilizers. Determination of sulfates content using three different methods is classified in these ICS categories:
65.080 Fertilizers
This document specifies three different methods (Methods A, B and C) for the determination of sulfur present in fertilizer extracts in the form of sulfates. Method A specifies the gravimetric method. Method B specifies the method using inductively coupled plasma optical spectrometry (ICP-OES). Method C specifies the method using ion chromatography (IC).