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ISO 6842:1989

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

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 6842:1989
Document Year: 1989
Pages: 2
Edition: 2

Life Cycle

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ISO 6842:1989
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