[Methods for determination of vitamins by means of high performance liquid chromatography (HPLC) (author's transl)].
A method is described for the rapid determination of vitamin E in vitamin-concentrates, -pre-mixes and mineral supplements. After saponification of the sample, the vitamin is extracted with petroleum-ether. In this extract the vitamin E is determined spectrophotometrically by HPLC without any further clean-up.
D002851:Chromatography, High Pressure Liquid / Q000379:methods*; D004338:Drug Combinations; D005069:Evaluation Studies as Topic; D008903:Minerals; D013056:Spectrophotometry, Ultraviolet; D014810:Vitamin E / Q000032:analysis*; D014815:Vitamins
D004338:Drug Combinations; D008903:Minerals; D014815:Vitamins; D014810:Vitamin E
Methoden zur Bestimmung von Vitaminen mittels Hochleistungsflüssigkeitschromatographie. III. Bestimmung von Vitamin E in Vitaminkonzentraten, Vitaminvormischungen und Mineralfuttermitteln.