ISO 8799:1988

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

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.

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

71.100.40

Statut:

Annulée

Date de Publication:

1988-03-30

Numéro Standard:

ISO 8799:1988