This document 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 [2]).
Directives related to this standards.
Regulation (EC) N° 2003/2003 of the European Parlament and of the council of 13 October 2003 relating to fertilisers
PUBLISHED
SSH EN 15957:2011
60.60
Standard published
May 30, 2012