Fertilizers. Extraction of phosphorus which is soluble in neutral ammonium citrate

Fertilizers. Extraction of phosphorus which is soluble in neutral ammonium citrate

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1   Scope

This Technical Specification specifies a method for the extraction of phosphorus soluble in neutral ammonium citrate.
The method is applicable to all fertilizers in respect of which solubility in neutral ammonium citrate is laid down in Regulation (EC) 2003/2003, Annex I (see [1]).