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.