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ISO 4314:1977

Surface active agents -- Determination of free alkalinity or free acidity -- Titrimetric method
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ISO 4314:1977

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

PUBLISH DATE 1977
ISO 4314:1977

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.

SDO ISO: International Organization for Standardization
Document Number ISO 4314
Publication Date Feb. 1, 1977
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 91
Publish Date Document Id Type View
Feb. 1, 1977 ISO 4314:1977 Revision