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CEN
EN 15950:2010

EN 15950:2010

Current

Current

The latest, up-to-date edition.

Fertilizers - Determination of N-(1,2-dicarboxyethyl)-D,L-aspartic acid (Iminodisuccinic acid, IDHA) using high-performance liquid chromatography (HPLC)

Published date

10-06-2010

Publisher

Comite Europeen de Normalisation

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Interferences
6 Reagents
7 Apparatus
8 Sampling and sample preparation
9 Procedure
10 Calculation
11 Precision for IDHA
12 Test report
Annex A (informative) - Results of the inter-laboratory test
Annex B (informative) - Stereo isomers of IDHA, chromatogram
        and calibration curve
Bibliography

This European Standard specifies a method for the determination of N-(1,2-dicarboxyethyl)-D,L-aspartic acid (Iminodisuccinic acid (IDHA)) in fertilizers. The method is applicable to all fertilizers containing IDHA as chelating agent for contents > 0,5 % (g/100 g).

Committee
CEN/TC 260
DevelopmentNote
Supersedes PREN 15950. (04/2011)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

Standards Relationship
UNI EN 15950 : 2010 Identical
DIN EN 15950:2010-12 Identical
NF EN 15950 : 2010 Identical
NEN EN 15950 : 2010 Identical
UNE-EN 15950:2011 Identical
SN EN 15950:2011 Identical
BS EN 15950:2010 Identical
NS EN 15950 : 2010 Identical
PN EN 15950 : 2010 Identical
DIN EN 15950 E : 2010 Identical
NBN EN 15950 : 2010 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 1482-1:2007 Fertilizers and liming materials - Sampling and sample preparation - Part 1: Sampling

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