Sequential Spectrophotometric Determinat
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Fang Guozhen; Xie Qing; Fang Mei
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Article
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1998
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Elsevier Science
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English
β 49 KB
This paper describes three new methods: the first may be used for the determination of nitrite; the second is applicable to determination of nitrate; and the third permits sequential determination of both nitrite and nitrate in mixtures with no prior separation. For the determination of nitrite and