Withdrawn
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.
WITHDRAWN
ISO 8799:1988
95.99
Withdrawal of Standard
Mar 9, 2009
ABANDON
ISO 8799:1988/DAmd 1
PUBLISHED
ISO 8799:2009
Surface active agents — Sulfated ethoxylated alcohols and alkylphenols — Determination of content of unsulfated matter
95.99 Withdrawal of Standard