Telaii dilakukan penentuan kadax' vitamin dalam tablet vitaminB kompleks dengan cara kolorimetri dan cara spektrofluorometri,dan penentuan kadar vitamin Bg dalam tablet vitamin B kompleks .dengan cara spektrofluorometri, cara kolorimetri untuk penentuan kadar vitamin ternyata tidak dapat dilakukan, karena Nicotinaraidakan ikut diendapkan bersama-sama vitamin B^ oleh ammonium reineckat. Penentuan kadar denj^?an cara spektrolluorometriuntuk vitamin dan vitamin fl^., ternyata mernberikan basil yangcukup memuaskan, tetapi pacia penentuan kadar vitamin Bp dengancara spektrofluorometri konsuntrasi vitarnlii Bg bai'us dinaikkan10 kali lebih besar dari prosedur semula» A determination of vitamin cdncentratioxi in vitamin B eoraplextablets had been carried out with the Colorimetrio methodand the Spectrofluorometric method, and a determination of vitamin B2 concentration in vitamin B complex tablets v/ith the'~ ^Spectrofluorometric method. The Goloriraetric method for thedetermination of vitamin concentration could not be put into practice becauce the Kicotinarnide would also be precipitatedtogether with vitamin by Ammonium Reineckat. A determinationof concentration with the Spectrofluorometric method of vitaminB^ and vitamin Bg give evidence of a isatisfying result, but inthe' determination of vitamin Bg concentration with the Spectrofluorometric method, the vitamin concentration had to beraised ten times from the original procedure. |