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DS/CEN/TS 17777:2022
Organic and organo-mineral fertilizers - Determination of specific elements
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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Danish Standards [ds]
