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Comparison of methods for determination of vitamin B12 in microbial material

✍ Scribed by Adolfo Quesada-Chanto; Adriane C. Schmid-Meyer; Adriana G. Schroeder; Alexandra Fuchter; Maria F. Carvalho-Jonas; Paulo I. Koehntopp; Rainer Jonas

Book ID
110268128
Publisher
Springer-Verlag
Year
1998
Tongue
English
Weight
187 KB
Volume
12
Category
Article
ISSN
0951-208X

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A new kinetic fluorimetric method is proposed for the determination of trace cobalt, based on the catalytic oxidation of reduced fluoresceine with hydrogen peroxide in the presence of triethanolamine as activator in a basic medium. The detection limit for cobalt is 0.016 ng/ml and the linear range o