I.S. EN 903:1994
Current
The latest, up-to-date edition.
WATER QUALITY - DETERMINATION OF ANIONIC SURFACTANTS BY MEASUREMENT OF THE METHYLENE BLUE INDEX MBAS
Hardcopy , PDF
English
01-01-1994
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Cooperating organizations
National foreword
Foreword
Method
1. Introduction
2. Scope and field of application
3. References
4. Principle
5. Reagents
6. Apparatus
7. Sampling and samples
8. Procedure
9. Expression of results
10. Interferences
11. Test report
Figure
1. Gas-stripping apparatus
National annex NA (informative) Committees responsible
National annex NB (informative) Cross-references
Applies to drinking water, surface water as well as waste water, this 'summary parameter' MBAS Index method is used to determine natural and synthetic surface active substances in concentrations of 0.1 to 5.0 mg/l.
DocumentType |
Standard
|
Pages |
18
|
PublisherName |
National Standards Authority of Ireland
|
Status |
Current
|
Standards | Relationship |
UNI EN 903 : 1995 | Identical |
ISO 7875-1:1996 | Identical |
BS EN 903:1994 | Identical |
UNE-EN 903:1994 | Identical |
EN 903:1993 | Identical |
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