SN-CEN/TS 17777:2022 PDF

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.