UNI EN 903 : 1995
Current
The latest, up-to-date edition.
WATER QUALITY - DETERMINATION OF ANIONIC SURFACTANTS BY MEASUREMENT OF THE METHYLENE BLUE INDEX MBAS
31-05-1995
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
ALSO NUMBERED AS BS 6068: SECTION 2.23: 1994. Describes how natural and synthetic anionic surface active substances may be determined as methylene-blue active substances (MBAS). Mentions the MBAS index, a summary parameter method. Coverage includes reagents, apparatus and procedure.
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Current
|
| Standards | Relationship |
| UNE-EN 903:1994 | Identical |
| NEN EN 903 : 1994 | Identical |
| NF EN 903 : 1994 | Identical |
| BS EN 903:1994 | Identical |
| I.S. EN 903:1994 | Identical |
| NBN EN 903 : 1994 | Identical |
| EN 903:1993 | Identical |
| NS EN 903 : 1ED 1993 | Identical |
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