The document specifies the method for the extraction of water soluble sulfur contained in fertilizers in various forms. The method is applicable to EC-fertilizers for which a declaration of the water soluble sulfur trioxide is provided for.
DIN SPEC 1112:2010 history
2011DIN EN 15926:2011 Fertilizers - Extraction of water soluble sulfur where the sulfur is in various forms; German version EN 15926:2011
2010DIN SPEC 1112:2010 Fertilizers - Extraction of water soluble sulfur where the sulfur is in various forms; German version CEN/TS 15926:2009