ISO-4314 Surface active agents -- Determination of free alkalinity or free acidity -- Titrimetric method

ISO-4314 - 1ST EDITION - CURRENT


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The determination is carried out in the following way: Titration of an ethanolic or propanolic solution of the product with a standard volumetric potassium hydroxide or hydrochloric acid or sulphuric acid solution whichever is appropriate, in the presence of phenolphthalein as indicator.

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Document Number

ISO 4314:1977

Revision Level

1ST EDITION

Status

Current

Publication Date

Feb. 1, 1977

Committee Number

ISO TC 91