CEN/TS 15921:2009
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °C
11-03-2023
30-09-2009
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Sampling
6 Reagents
7 Apparatus
8 Procedure
Bibliography
This document specifies the procedure for the determination of soluble phosphorus in alkaline ammonium citrate.The method is applicable exclusively to precipitated dehydrated dicalcium phosphate (CaHPO4 . 2H2O).
| Committee |
CEN/TC 260
|
| DocumentType |
Technical Specification
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| NEN NPR CEN/TS 15921 : 2009 | Identical |
| DD CEN/TS 15921:2009 | Identical |
| UNI CEN/TS 15921 : 2009 | Identical |
| XP CEN/TS 15921 : 2010 XP | Identical |
| UNE-CEN/TS 15921:2010 EX | Identical |
| DIN CEN/TS 15921;DIN SPEC 1100:2010-02 | Identical |
| S.R. CEN TS 15921:2009 | Identical |
| EN 1482-2:2007 | Fertilizers and liming materials - Sampling and sample preparation - Part 2: Sample preparation |
| EN 15475:2009 | Fertilizers - Determination of ammoniacal nitrogen |
| EN 1482-1:2007 | Fertilizers and liming materials - Sampling and sample preparation - Part 1: Sampling |
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