The simplified system enables the characteristics of the substances to be expressed by an abbreviated lettering and numbering system, consisting of one letter and four figures (five in the case of compounds comprising several hydrphilic groups). The letter designates the ionic character and figures correspond to the functional groups present in the molecule.
Status: PublishedPublication date: 1972-11
Edition: 1Number of pages: 5
Technical Committee: ISO/TC 91 Surface active agents
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