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    • ISO 2271:1989
    Codes & Standards - Purchase

    ISO 2271:1989

    Surface active agents -- Detergents -- Determination of anionic-active matter by manual or mechanical direct two-phase titration procedure

    SKU: iso_007094_102100 Published by ISO Publication Year 1989 2 Edition 6 pages

    Product Details

    • Overview
    The substance is determined in a medium consisting of an aqueous and a chloroform phase by titration with a standard volumetric cationic-active solution (benzethonium- chloride) in the presence of an indicator which consists of a mixture of cationic dye (dimidium bromide) and an anionic dye (acid blue 1). The method is applicable to solids or to aqueous solutions of the active material. The relative molecular mass of the anionic active matter has to be known. The method is not applicable if cationic surface active agents are present.

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    GST REG No R119441681
    QST REG No R1006017360

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    Select the subscription format that is right for you. Table with 13 rows and 3 columns, identifies features available and not available for the two different subscription formats - CSA Advantage TM and CSA OnDemand TM
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