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BSI PD CEN/TS 17788:2022

BSI PD CEN/TS 17788:2022

$86.31

Organo-mineral fertilizers. Determination of the fraction of complexed micronutrients

Published By Publication Date Number of Pages
BSI 2022 14
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This document specifies a general method for the determination of the micronutrients complexed by complexing agents in organo-mineral fertilizers. The method allows the determination of the total concentration of each complexed micronutrient in complexes after subtraction of the chelated micro-nutrients content, but it does not identify the individual complexing agents. This procedure concerns EU organo-mineral fertilizing products which contain complexed micro-nutrients covered by Regulation (EU) 2019/1009 [6]. The method is applicable to a mass fraction of the metal complexed of at least 0,07 %, 0,006 % and 0,035 % of Fe, Mn and Zn respectively (see [7]). A lower limit of quantification has not been established for Cu and Co.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
8 5 Interferences
6 Reagents
7 Apparatus
9 8 Sampling and sample preparation
9 Procedure
9.1 Preparation of the sample solution
9.2 Precipitation
10 9.3 Spectrometric determination
9.4 Water-soluble micronutrient content determination
10 Expression of results
10.1 Complexed micronutrient content in the fertilizer
10.2 Complexed fraction of a micronutrient in the fertilizer
11 11 Test report

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BSI PD CEN/TS 17788:2022
$86.31