Kinetic determination of vitamin B12 in
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Manuela MΓ‘rquez; Manuel Silva; Dolorez PΓ©rez-Bendito
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Article
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1990
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Elsevier Science
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English
β 414 KB
An automatic kinetic method for the determination of micro amounts of vitamin B12 in pharmaceutical samples based on the fast formation of a coloured complex between the cobalt contained by this vitamin and PAR [4-(2-pyridilazo)resorcinol] in a weakly alkaline medium and on the use of the continuous