NEN EN 1189 : 1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
WATER QUALITY - DETERMINATION OF PHOSPHORUS - AMMONIUM MOLYBDATE SPECTROMETRIC METHOD
22-06-2004
12-01-2013
Foreword
Introduction
1 Scope
2 Principle
3 Determination of orthophosphate
3.1 Reagents
3.2 Apparatus
3.3 Sampling and samples
3.4 Procedure
3.5 Expression of results
3.6 Test report
4 Determination of orthophosphate after solvent extraction
4.1 Reagents
4.2 Sampling and samples
4.3 Procedure
4.4 Expression of results
4.5 Test report
5 Determination of hydrolysable phosphate and
orthophosphate
5.1 Reagents
5.2 Apparatus
5.3 Sampling and samples
5.4 Procedure
5.5 Expression of results
5.6 Test report
6 Determination of total phosphorus after peroxodisulfate
oxidation
6.1 Reagents
6.2 Apparatus
6.3 Sampling and samples
6.4 Procedure
6.5 Expression of results
6.6 Test report
7 Determination of total phosphorus after nitric acid-
sulphuric acid digestion
7.1 Reagents
7.2 Apparatus
7.3 Sampling and samples
7.4 Procedure
7.5 Expression of results
7.6 Test report
Annex A (informative) Precision data
Annex B (informative) Interferences
Annex C (informative) Bibliography
Defines methods for determining orthophosphate, orthophosphate after solvent extraction, hydrolysable phosphate plus orthophosphate and total soluble phosphorus and total phosphorus after decomposition. Applies to all water including seawater and effluents. ALSO NUMBERED AS BS 6068 PT2 SEC 2.28 1986
| DevelopmentNote |
Supersedes NEN 6479. (10/2002)
|
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Superseded
|
| Supersedes |
| Standards | Relationship |
| DIN EN 1189:1996-12 | Identical |
| UNI EN 1189 : 1999 | Identical |
| BS EN 1189:1997 | Identical |
| EN 1189 : 1996 | Identical |
| UNE-EN 1189:1997 | Identical |
| I.S. EN 1189:1997 | Identical |
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