DD CEN/TS 16198:2011

Fertilizers. Determination of magnesium by complexometry. | Status: Superseded, Withdrawn

1 Scope This Technical Specification specifies a method for the determination of magnesium in fertilizer extracts. The method is applicable to the following EC fertilizer extracts for which the determination of total magnesium and/or water-soluble magnesium is provided for according to the Regulation (EC) No 2003/2003, Annex I [3]:

• — fertilizers listed in [3], AnnexI: straight nitrogenous fertilizers, type 1b + 1c (calcium magnesium nitrate), type 7 (magnesium sulfonitrate), type 8 (nitrogenous fertilizers with magnesium) and straight potassic fertilizers, type 2 (enriched kainite), type 4 (potassium chloride containing magnesium), type 6 (potassium sulfate containing magnesium salt);
• — fertilizers listed in [3], AnnexI D relating to secondary nutrients.