Water quality - Determination of anionic surfactants by measurement of the methylene blue index MBAS (ISO 7875-1:1984 modified)

Available format(s)

Hardcopy , PDF

Language(s)

Spanish, Castilian, English

Published date

06-14-1994

Publisher

Asociacion Espanola de Normalizacion

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.

Committee	CTN 77/SC 1
DevelopmentNote	Supersedes UNE 55726. (07/2003)
DocumentType	Standard
Pages	14
PublisherName	Asociacion Espanola de Normalizacion
Status	Current
Supersedes	UNE 55726:1987

Standards	Relationship
NBN EN 903 : 1994	Identical
NF EN 903 : 1994	Identical
NEN EN 903 : 1994	Identical
NS EN 903 : 1ED 1993	Identical
I.S. EN 903:1994	Identical
UNI EN 903 : 1995	Identical
BS EN 903:1994	Identical
EN 903 : 1993	Identical