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CEN
EN 16847 : 2016

EN 16847 : 2016

Current

Current

The latest, up-to-date edition.

FERTILIZERS - DETERMINATION OF COMPLEXING AGENTS IN FERTILIZERS - IDENTIFICATION OF HEPTAGLUCONIC ACID BY CHROMATOGRAPHY

Published date

20-01-2016

Publisher

Comite Europeen de Normalisation

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

This European Standard specifies a chromatographic method which allows the identification of heptagluconic acid (HGA) in fertilizers containing heptagluconic acid metal complexes.

Committee
TC 260
DevelopmentNote
Supersedes PREN 16847. (02/2016)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

Standards Relationship
BS EN 16847:2016 Identical
NBN EN 16847 : 2016 Identical
PN EN 16847 : 2016 Identical
SN EN 16847 : 2016 Identical
NS EN 16847 : 2016 Identical
SS-EN 16847:2016 Identical
NEN EN 16847 : 2016 Identical
UNI EN 16847 : 2016 Identical
DIN EN 16847:2016-05 Identical
DIN EN 16847 E : 2016 Identical
NF EN 16847 : 2016 Identical
I.S. EN 16847:2016 Identical
UNE-EN 16847:2016 Identical

BS ISO 18645:2016 Fertilizers and soil conditioners. Water soluble fertilizer. General requirements
ISO 18645:2016 Fertilizers and soil conditioners Water soluble fertilizer General requirements

EN 12944-2:1999/AC:2000 FERTILIZERS AND LIMING MATERIALS AND SOIL IMPROVERS - VOCABULARY - PART 2: TERMS RELATING TO FERTILIZERS
EN 12944-1:1999/AC:2000 FERTILIZERS AND LIMING MATERIALS AND SOIL IMPROVERS - VOCABULARY - PART 1: GENERAL TERMS
EN 1482-2:2007 Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
EN ISO 3696:1995 Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)
EN 15962:2011 Fertilizers - Determination of the complexed micro-nutrient content and of the complexed fraction of micro-nutrients

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