SS-EN-ISO-16265 Water quality - Determination of the methylene blue active substances (MBAS) index - Method using continuous flow analysis (CFA) (ISO 16265:2009)

SS-EN-ISO-16265 - 2012 EDITION - CURRENT


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ISO 16265:2009 specifies a procedure for the determination of the methylene blue active substances (MBAS) index, in the ranges 0,05 mg/l to 0,5 mg/l and 0,5 mg/l to 5,0 mg/l, in various water samples (e.g. ground water, drinking water, surface water, waste water and leachates). Anionic surfactants are the most important substances showing methylene blue activity. This method is therefore useful for estimating the anionic surfactant content [including anionic surfactants with carboxylate groups (e.g. soaps)] of water. Other types of substance may also show methylene blue activity and contribute to the result. On a case-by-case basis, the range of the analysis may be changed and the method used for other concentration ranges provided they cover exactly one decade of concentration units.

To find similar documents by classification:

13.060.50 (Examination of water for chemical substances)

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Designation Name

SS-EN ISO 16265:2012

Revision Level

2012 EDITION

Status

Current

Publication Date

Feb. 20, 2012

Language(s)

English

Page Count

24

International Equivalent

EN ISO 16265:2012(IDT); ISO 16265:2009(IDT)