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BSI PD CEN/TS 17786-2:2022

BSI PD CEN/TS 17786-2:2022

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Inorganic micronutrient fertilizers. Determination of the chelated micronutrient content and the chelated fraction of micronutrients – Determination of EDTA, DTPA, HEEDTA, IDHA or EDDS

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BSI 2022 14
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This document specifies a method for the determination of the chelated fraction of micronutrients for fertilizers containing one or many micronutrients chelated by EDTA, DTPA, HEEDTA, IDHA or [S,S]-EDDS in fertilizers. This method is used for inorganic micronutrient fertilizers when micronutrients are chelated only by EDTA, DTPA, HEEDTA, IDHA or [S,S]-EDDS or for mixtures in which EDTA, DTPA, HEEDTA, IDHA or [S,S]-EDDS is one of the chelating agents. The method is applicable to all inorganic micronutrient fertilizers containing EDTA, DTPA, HEEDTA, IDHA or [S,S]-EDDS as chelating agent for contents > 0,1 % (w/w). The method is based on ICP or AAS measurement of the concentration of micronutrients according to EN 16963 or EN 16965 after water extraction according to EN 16962 and LC measurement of the chelating agents according to EN 15950, EN 13368-1 and EN 13368-3.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Principle
5 Interferences
6 Reagents
9 7 Apparatus
8 Sampling and sample preparation
9 Procedure
9.1 General
9.2 Water-soluble micronutrient content
9.3 Chelating agent content
10 10 Expression of results
10.1 Water-soluble micronutrient content
10.2 Chelating agent content
11 10.3 Chelated fraction (ChF)
11 Test report
12 Annex A (informative)Complete names of chelating agents

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BSI PD CEN/TS 17786-2:2022
$86.31