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DIN EN 16847 E : 2016
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FERTILIZERS - DETERMINATION OF COMPLEXING AGENTS IN FERTILIZERS - IDENTIFICATION OF HEPTAGLUCONIC ACID BY CHROMATOGRAPHY
Hardcopy , PDF
English
01-01-2016
National foreword
National Annex NA (informative) - Bibliography
European foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Interferences
6 Apparatus
7 Reagents
8 Procedure
9 Calculation of the heptagluconic acid content
and expression of the results
10 Precision
11 Test report
Annex A (informative) - Chromatograms of the standard
and a typical sample solution
Annex B (informative) - Absorption spectra of the HGA
Annex C (informative) - Calculation of the molar ratio
HGA:Metal
Annex D (informative) - Statistical results of the
inter-laboratory test
Annex E (informative) - Complete names of chelating
agents
Bibliography
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