Fertilizers. Determination of the sodium extracted by flame-emission spectrometry

Fertilizers. Determination of the sodium extracted by flame-emission spectrometry

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1   Scope

This Technical Specification specifies a method for the determination of the sodium content in fertilizer extracts by flame-emission spectrometry.
The method is applicable to EC fertilizers for which a declaration of the sodium content is provided for in Regulation (EC) Nr 2003/2003, Annex I [3].