Surface active agents -- Simplified classification
2018
Document Number: NL ISO 2131 : 2018
Sector: Chemical Technology
TC: NL TC 91
ICS: 71.100.40
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.