EN 15957:2011
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Fertilizers - Extraction of phosphorus which is soluble in neutral ammonium citrate
Published date
28-09-2011
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Sampling
6 Reagents
7 Apparatus
8 Procedure
9 Test report
Bibliography
This document specifies a method for the extraction of phosphorus soluble in neutral ammonium citrate.The method is applicable to all fertilizers in respect of which solubility in neutral ammonium citrate is laid down in Regulation (EC) 2003/2003, Annex I (see [2]).
| Committee |
CEN/TC 260
|
| DevelopmentNote |
Supersedes CEN/TS 15957 & PREN 15957. (10/2011)
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| NS EN 15957 : 2011 | Identical |
| PN EN 15957 : 2011 | Identical |
| NBN EN 15957 : 2011 | Identical |
| NF EN 15957 : 2011 | Identical |
| BS EN 15957:2011 | Identical |
| I.S. EN 15957:2011 | Identical |
| NEN EN 15957 : 2011 | Identical |
| GOST EN 15957 : 2012 | Identical |
| DIN EN 15957:2011-12 | Identical |
| UNE-EN 15957:2012 | Identical |
| S.R. CEN/TS 16490:2013 | FERTILIZERS - COMPARISON OF THE CEN/TC 260/WG 7 RING TEST RESULTS WITH TOLERANCES GIVEN IN THE REGULATION (EC) NR 2003/2003 ANNEX 2 AND CONCLUSIONS |
| PD CEN/TS 16490:2013 | Fertilizers. Comparison of the CEN/TC 260/WG 7 ring test results with tolerances given in the Regulation (EC) Nr 2003/2003 Annex II and conclusions |
| CEN/TS 16490:2013 | Fertilizers - Comparison of the CEN/TC 260/WG 7 ring test results with tolerances given in the Regulation (EC) Nr 2003/2003 Annex II and conclusions |
| ISO 15959:2016 | Fertilizers — Determination of extracted phosphorus |
| UNE-CEN/TS 16490:2016 | Fertilizers - Comparison of the CEN/TC 260/WG 7 ring test results with tolerances given in the Regulation (EC) Nr 2003/2003 Annex II and conclusions |
| EN 1482-2:2007 | Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation |
| EN 1482-1:2007 | Fertilizers and liming materials - Sampling and sample preparation - Part 1: Sampling |
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