This Technical Specification specifies a method for the determination of water-soluble potassium, which is applicable to all potassium fertilizers listed in Annex I of the Regulation (EC) No 2003/2003.
BS DD CEN/TS 15477:2006 history
2009BS EN 15477:2009 Fertilizers - Determination of the water-soluble potassium content
2006BS DD CEN/TS 15477:2006 Fertilizers - Determination of the water-soluble potassium content