NS EN 1189 : 1ED 1996
Superseded
WATER QUALITY - DETERMINATION OF PHOSPHORUS - AMMONIUM MOLYBDATE SPECTROMETRIC METHOD
01-12-2013
05-04-2007
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 NS 4724. (10/2004) Supersedes NS 4725. (04/2007)
|
| DocumentType |
Standard
|
| PublisherName |
Norwegian Standards (Norges Standardiseringsforbund)
|
| Status |
Superseded
|
| Supersedes |
| Standards | Relationship |
| DIN EN 1189:1996-12 | Identical |
| BS EN 1189:1997 | Identical |
| EN 1189 : 1996 | Identical |
| UNE-EN 1189:1997 | Identical |
| I.S. EN 1189:1997 | Identical |