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BSI PD CEN/TS 17786-1:2022

BSI PD CEN/TS 17786-1:2022

$102.76

Inorganic micronutrient fertilizers. Determination of the chelated micronutrient content and the chelated fraction of micronutrients – Treatment with a cation exchange resin

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BSI 2022 16
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This document specifies a method for the determination of the chelated iron content and the chelated fraction of iron, in UVCB chelats, EDDHA, EDDHMA, HBED, EDDHSA, in inorganic micronutrient fertilizers by the treatment with a cation exchange resin. The limit of determination of the chelated iron content highly depends on the specific electrical conductivity of the sample, on the amount of nutrient present, and varies between 0,005 % in simple matrices with high amounts of micronutrient and 0,5 % in more complex cases (see 9.1).

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
10 8 Sampling and sample preparation
9 Procedure
9.1 Extraction of the sample
11 9.2 pH adjustment
9.3 Ion exchange separation
12 9.4 Spectrometric determination
9.5 Water soluble iron content determination
10 Expression of results
10.1 Chelated iron content in the fertilizer
10.2 Chelated fraction of iron in the fertilizer
13 11 Test report
14 Annex A (informative)Complete names of chelating agents

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BSI PD CEN/TS 17786-1:2022
$102.76