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BSI PD CEN/TS 17789-1:2022

Organo-mineral fertilizers. Identification of chelating agents -- Determination of EDTA, HEEDTA and DTPA by ion chromatography
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BSI PD CEN/TS 17789-1:2022

Organo-mineral fertilizers. Identification of chelating agents -- Determination of EDTA, HEEDTA and DTPA by ion chromatography

PUBLISH DATE 2022
PAGES 16
BSI PD CEN/TS 17789-1:2022

This document specifies a method for the determination by ion chromatography of the total amount of each of the individual chelating agents EDTA, HEEDTA, and DTPA in organo-mineral fertilizers, having an organic matrix based on vegetal residues (cocoa shells, grape residue, soybean residue, ...), algae extract, and animal meal (feather, bones, blood, ...) and containing one or more of these substances.

The method allows the identification and the determination of the total water-soluble fraction of each of these chelating agents. It does not allow to distinguish between the free form and the metal bound form of the chelating agents.

This method applies to organo-mineral fertilizers containing chelates of one or more of the following micronutrients:

  • cobalt
  • copper
  • iron
  • manganese
  • zinc

and with a mass fraction of at least 0,1 %.

SDO BSI: British Standards Institution
Document Number CEN/TS 17789-1
Publication Date July 21, 2022
Language en - English
Page Count 16
Revision Level
Supercedes
Committee CII/37
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