Rapid zero-order and second-derivative UV spectrophotometric determination of cyanocobalamin in pharmaceutical formulations containing dextran and preservatives.
López de Alda
M J
MJ
Department of Analytical Chemistry, Nutrition and Bromatology, University of Santiago de Compostela, Spain.
Paseiro
P
P
Goicoechea
A G
AG
D002138:Calibration; D003911:Dextrans; D007202:Indicators and Reagents; D011310:Preservatives, Pharmaceutical; D013056:Spectrophotometry, Ultraviolet; D014805:Vitamin B 12 / Q000032:analysis*
D003911:Dextrans; D007202:Indicators and Reagents; D011310:Preservatives, Pharmaceutical; D014805:Vitamin B 12