DD CEN/TS 15959:2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Fertilizers. Determination of extracted phosphorus
Hardcopy , PDF
31-12-2011
English
28-02-2010
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Sampling and sample preparation
6 Reagents
7 Apparatus
8 Procedure
9 Calculation and expression of the result
10 Precision
11 Test report
Annex A (informative) - Statistical results of the
inter-laboratory test
Bibliography
Defines a method for the determination of phosphorus in fertilizer extracts.
| Committee |
CII/37
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| RevisionOf | |
| Status |
Superseded
|
| SupersededBy |
This Technical Specification specifies a method for the determination of phosphorus in fertilizer extracts.
The method is applicable to all extracts of fertilizers for the determination of the different forms of phosphorus as phosphorus soluble in mineral acids, water soluble phosphorus, phosphorus soluble in solutions of ammonium citrate, phosphorus soluble in 2 % citric acid and phosphorus soluble in 2 % formic acid.
| Standards | Relationship |
| CEN/TS 15959:2009 | Identical |
| CEN/TS 15957:2009 | Fertilizers - Extraction of phosphorus which is soluble in neutral ammonium citrate |
| EN 1482-2:2007 | Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation |
| CEN/TS 15958:2009 | Fertilizers - Extraction of water soluble phosphorus |
| CEN/TS 15956:2009 | Fertilizers - Extraction of phosphorus soluble in mineral acids |
| 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 1482-1:2007 | Fertilizers and liming materials - Sampling and sample preparation - Part 1: Sampling |
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