ISO-1066 Analysis of soaps -- Determination of glycerol content -- Titrimetric method

ISO-1066 - 1ST EDITION - CURRENT


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The determination is carried out in the following way: Decomposition of the soap with sulphuric acid, and extraction of the fatty acids with light petroleum. Oxidation of the glycerol by periodic acid to formic acid and formaldehyde, and titration of the formic acid produced using a pH meter.

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Document Number

ISO 1066:1975

Revision Level

1ST EDITION

Status

Current

Publication Date

May 1, 1975

Committee Number

ISO TC 91