scope:

This document specifies references to the methods for the determination of the following specific elements in organic and organo-mineral fertilizers:

- Determination of the total phosphorus content;

- Determination of the total potassium content;

- Determination of the total calcium content;

- Determination of the total magnesium content;

- Determination of the total sodium content;

- Determination of the total sulphur content;

- Determination of the inorganic arsenic content;

- Determination of the cadmium content;

- Determination of the total chromium content;

- Determination of the total mercury content;

- Determination of the total nickel content;

- Determination of the total lead content;

- Determination of the total copper content;

- Determination of the total zinc content;

- Determination of the water-soluble calcium content;

- Determination of the water-soluble magnesium content;

- Determination of the water-soluble sodium content;

- Determination of the water-soluble sulphur content.

This document specifies references to the methods for the determination of the following specific elements in organo-mineral fertilizers:

- Determination of the water-soluble phosphorus content;

- Determination of the water-soluble potassium content;

- Determination of the neutral ammonium citrate soluble phosphorus content

- Determination of the formic acid soluble phosphorus content;

- Determination of the total boron content;

- Determination of the total cobalt content;

- Determination of the total iron content

- Determination of the total manganese content

- Determination of the total molybdenum content;

- Determination of the water-soluble boron content;

- Determination of the water-soluble cobalt content;

- Determination of the water-soluble copper content;

- Determination of the water-soluble iron content;

- Determination of the water-soluble manganese content;

- Determination of the water-soluble molybdenum content;

- Determination of the water-soluble zinc content.

This document is applicable to fertilizing products, which are classified as PFC 1(A) and PFC 1(B) or the PFC 1(A) and PFC 1(B) component in PFC 7 of Regulation (EU) 2019/1009 [1]. However, the present method was not validated for blends.