Reference number
ISO 8799:1988
© ISO 2024
ISO 8799:1988
Surface active agents — Sulfated ethoxylated alcohols and alkylphenols — Determination of content of unsulfated matter
Edition 1
1988-03
Withdrawn
Withdrawn (Edition 1, 1988)

Abstract

From a methanolic solution of the test portion, the unsulfated matter is separated on an ion-exchange column (filled with a mixture of cation-exchange resins and anion-exchange resins). The unsulfated matter is recovered from the eluate by evaporation and weighing of the residue.

General information

  • Status
     : Withdrawn
    Publication date
     : 1988-03
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 2
  • Technical Committee :
    ISO/TC 91
    ICS :
    71.100.40 
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