scope:

This document specifies references to methods for the determination of the content of the following specific nutrients in inorganic fertilizers:

- the total nitrogen content;

- the ammoniacal nitrogen content;

- the nitric nitrogen content;

- the urea nitrogen content;

- the content of nitrogen from isobutylidenediurea (IBDU) and crotonylidenediurea (CDU);

- the cyanamide nitrogen content;

- the methylene-urea nitrogen content (and urea formaldehyde, if applicable);

- the total phosphorus content;

- the water-soluble phosphorus content;

- the neutral ammonium citrate soluble phosphorus content;

- the water-soluble potassium content;

- the total magnesium content;

- the water-soluble magnesium content;

- the total calcium content;

- the water-soluble calcium content;

- the total sulfur content;

- the water-soluble sulfur content;

- the total sodium content;

- the water-soluble sodium content.

This document is applicable to EU fertilizing products classified as PFC 1(C) and PFC 7 as long as the blend only consists of EU fertilizing products classified as PFC 1(C), PFC 2 and PFC 5 as specified in the Regulation (EU) 2019/1009 [1].