Catalytic spectrophotometric determination of trace manganese in theragran-M with Mn (II) -KIO4-NTA-coomassie brilliant blue G250
Du, B.; Wei, Q.; Zang, X.; Zhang, B.
Wei Sheng Yan Jiu 27(2): 133-135
1998
ISSN/ISBN: 1000-8020 PMID: 10682625 Document Number: 487247
A new indicator reaction is developed on the basis of manganese catalyzed oxidation of coomassie brilliant blue G250 by potassium periodate with nitrilotriaetic acid as an activator. The detection limit for manganese is 6.76 x 10(-8) g/L. The linear range of determination is 0.02-0.30 microgram/25 mL.
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