Withdrawn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WITHDRAWN
SRPS ISO 8799:1992
95.99
Withdrawal of Standard
Dec 20, 2012
PUBLISHED
SRPS EN ISO 8799:2012