ISO 4315:1977

Current Revision
Surface active agents -- Determination of alkalinity -- Titrimetric method

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ISO 4315:1977

Surface active agents -- Determination of alkalinity -- Titrimetric method

PUBLISH DATE 1977
ISO 4315:1977

A clear solution of the substance is titrated with a standard volumetric hydrochloric acid solution, in the presence of methyl orange or bromophenol blue as indicator.

This method is only applicable when so indicated in the specific standard for each product; in particular, it is not suitable for products containing soaps.

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