BSI PD CEN/TS 17789-1:2022
$102.76
Organo-mineral fertilizers. Identification of chelating agents – Determination of EDTA, HEEDTA and DTPA by ion chromatography
| Published By | Publication Date | Number of Pages |
| BSI | 2022 | 16 |
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 %.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 7 | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Interferences |
| 8 | 6 Reagents |
| 9 | 7 Apparatus |
| 10 | 8 Sampling and sample preparation 9 Procedure 9.1 Preparation of the test solution 9.2 Preparation of the standard solutions 9.3 Chromatographic analysis |
| 11 | 10 Expression of results 11 Test report |
| 12 | Annex A (informative)Complete names of chelating agents |
| 13 | Annex B (informative)Chromatogram |
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