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ISO 6842:1989

Current Revision

Surface active agents -- Sulfated ethoxylated alcohols and alkylphenols -- Determination of total active matter content

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A test portion is boiled under reflux with ethanol in the presence of sodium sulphate. The solution is filtrated, the filtrate evaporated, and the residue weighed. Any sodium chloride present is determined by dissolution of the residue in aqueous acetone and titration with a standard volumetric silver nitrate solution. The mass of the residue is corrected for the sodium chloride content.


SDO ISO: International Organization for Standardization
Document Number ISO 6842
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 91
Publish Date Document Id Type View
Not Available ISO 6842:1989 Revision