BS EN 16847:2016
Current
The latest, up-to-date edition.
Fertilizers. Determination of complexing agents in fertilizers. Identification of heptagluconic acid by chromatography
Hardcopy , PDF
English
29-02-2016
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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
Gives a chromatographic method which allows the identification of heptagluconic acid (HGA) in fertilizers containing heptagluconic acid metal complexes.
| Committee |
CII/37
|
| DevelopmentNote |
Supersedes 15/30317854 DC. (02/2016)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This European Standard specifies a chromatographic method which allows the identification of heptagluconic acid (HGA) in fertilizers containing heptagluconic acid metal complexes.
This method is applicable to EC fertilizers containing complexed micro-nutrients, which are covered by Regulation (EC) No 2003/2003 [1].
NOTE For the complete names of the chelating agents mentioned in this document, see Annex E.
| Standards | Relationship |
| EN 16847:2016 | Identical |
| 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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