PREN 13368-2 : DRAFT 2016

Name: PREN 13368-2 : DRAFT 2016
Brand: CEN

Superseded

FERTILIZERS - DETERMINATION OF CHELATING AGENTS IN FERTILIZERS BY CHROMATOGRAPHY - PART 2: DETERMINATION OF FE CHELATED BY [O,O] EDDHA, [O,O] EDDHMA AND HBED, OR THE AMOUNT OF CHELATING AGENTS, BY ION PAIR CHROMATOGRAPHY

Superseded date

01-11-2017

Published date

12-01-2013

Publisher

Comite Europeen de Normalisation

European 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 Expression of the results (Fe in Fe-chelates)
11 Precision
12 Test report
Annex A (informative) - Statistical results of the
        inter-laboratory tests
Annex B (informative) - General procedure for the
        determination of the titrimetric purity of
        the chelating agents using a photometric automatic titrator
Annex C (informative) - Complete names of chelating agents
Bibliography

Describes a method for the chromatographic determination of the iron chelated by each individual ortho(hydroxy)-ortho(hydroxy) isomer of the chelating agents [o,o] EDDHA, [o,o] EDDHMA and by HBED in fertilizers containing one or more of these substances, except for [o,o] EDDHMA and HBED mixes.

Committee	TC 260
DocumentType	Draft
PublisherName	Comite Europeen de Normalisation
Status	Superseded

Standards	Relationship
16/30340656 DC : 0	Identical
05/30136174 DC : DRAFT JULY 2005	Identical
11/30238479 DC : 0	Identical

CEN/TR 15106:2005	Fertilizers - Determination of chelating agents EDDHA and EDDHMA by ion pair chromatography - Comparison of non-standardized Lucena method with EN 13368-2:2001
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
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