Fertilizers. Manganimetric determination of extracted calcium following precipitation in the form of oxalate

Fertilizers. Manganimetric determination of extracted calcium following precipitation in the form of oxalate

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1   Scope

This Technical Specification specifies a manganimetric method for the determination of the calcium content in fertilizer extracts.
This method is applicable to EC fertilizers for which a declaration of the total and/or water-soluble calcium content is provided for in Regulation (EC) 2003/2003, Annex I [3].