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ISO 2131:1972
Surface active agents -- Simplified classification
SKU: iso_006921_101998
Published by ISO
Publication Year 1972
1 Edition
5 pages
Product Details
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.