EN 15950:2010
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)
06-10-2010
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 |
| 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 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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