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EN 903:1993

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

Mar 19, 2004

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90.60 Close of review   Dec 2, 2018

CEN

CEN/TC 230 Water analysis

European Norm

13.060.20   Drinking water

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Scope

Under the experimental conditions, sulfonates and sulfates are the compounds chiefly measured, but some positive and negative interferences can occur (see clause 10). The method is applicable to drinking water, surface water as well as waste water, e.g. for the determination of the primary degradation of surfactants being under investigation in test systems containing natural or synthetic waste water. This applies for both laboratory scaled and technical waste water treatment plants.

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PUBLISHED
EN 903:1993
90.60 Close of review
Dec 2, 2018

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Adopted from ISO 7875-1:1984 MODIFIED