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NEN EN 903 : 1994

NEN EN 903 : 1994

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WATER QUALITY - DETERMINATION OF ANIONIC SURFACTANTS BY MEASUREMENTS OF THE METHYLENE BLUE INDEX MBAS

Published date

01-12-2013

Publisher

Netherlands Standards

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.

DevelopmentNote
Supersedes NEN 6674. (10/2002)
DocumentType
Standard
PublisherName
Netherlands Standards
Status
Current
Supersedes

Standards Relationship
UNI EN 903 : 1995 Identical
BS EN 903:1994 Identical
UNE-EN 903:1994 Identical
EN 903 : 1993 Identical

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