title: Extraction of organic acids by ion-pair extraction with tri-n-octylamine - VIII. Identification of synthetic dyes in pharmaceutical preparations.
abstract: Synthetic dyes were extracted from syrups, oral suspensions, tablets, gelatin capsules, suppositories and granules by ion-pair formation with tri-n-octylamine (TnOA) and back-extracted with perchlorate ions. Identification was performed by TLC on cellulose layers and by reversed phase ion-pair HPLC.
authors.affiliation: Farmaceutisch Instituut, Vrije Universiteit Brussel, Laarbeeklaan 103, 1090 Brussels, Belgium.
authors.forename: M L
authors.initials: ML
authors.lastname: Puttemans
authors.forename: L
authors.initials: L
authors.lastname: Dryon
authors.forename: D L
authors.initials: DL
authors.lastname: Massart