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CEN
EN 903 : 1993

EN 903 : 1993

Current

Current

The latest, up-to-date edition.

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

Published date

10-29-1993

Publisher

Comite Europeen de Normalisation

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

Under the experimental conditions, sulfonates and sulfates are the compounds chiefly measured, but some positive and negative interferences can occur (see clause 10).

Committee
CEN/TC 230
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

Standards Relationship
NF EN 903 : 1994 Identical
UNE-EN 903:1994 Identical
NEN EN 903 : 1994 Identical
BS EN 903:1994 Identical
I.S. EN 903:1994 Identical
PN EN 903 : 2002 Identical
NBN EN 903 : 1994 Identical
SNV DIN EN 903 : 1994 Identical
UNI EN 903 : 1995 Identical
NS EN 903 : 1ED 1993 Identical
DIN EN 903:1994-01 Identical

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