DS DS/EN 15925
DS DSEN 15925 2011-NOV-04 Fertlzers - Extracton of total sulfur present n varous forms
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This document specifies a method for the extraction of the total sulfur contained in fertilizers in elemental form and/or in other chemical combinations. The method is applicable to EC fertilizers for which a declaration of the total sulfur present in various forms (elemental, thiosulfate, sulfite, sulfate) is provided.