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CEN/TS 17777:2022

Organic and organo-mineral fertilizers - Determination of specific elements

General information
Valid from 18.04.2022
Base Documents
CEN/TS 17777:2022
Directives or regulations
None
Standard history
Status
Date
Type
Name
18.04.2022
Main
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.
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