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

Document Number: ISO 8799:1988
File Size: 272 kB
Language: English
Provider: ANSI
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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.

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