Field determination of trace molybdenum
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Susumu Kawakubo; Kiyoshi Ogihara; Masanobu Watanabe; Masaaki Iwatsuki
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Article
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1999
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John Wiley and Sons
β 124 KB
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A sensitive visual colorimetric method has been developed for the semiquantitative field determination of trace molybdenum. The molybdenum-catalyzed oxidation of ascorbic acid at pH 3.2 in the presence of ophenylenediamine was used as the indicator reaction, which produces yellow quinoxaline derivat