BS 6829-5-5.3:1989
Withdrawn Date published:
Analysis of surface active agents (raw materials). Ethoxylated alcohol and alkylphenol sulphates, Method for determination of unsulphated matter content
Separation from a methanolic solution using an ion-exchange column, followed by evaporation and weighing of the residue. Applicable to commercial products containing an average of not more than 20 oxyethylene groups per molecule.
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Pages: 4