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Flow-injection catalytic spectrophotometric determination of nitrite using the redox reaction between naphthol green B and potassium bromate

✍ Scribed by Zhang Zhi-Qi; Gao Lou-Jun; Zhan Han-Ying


Book ID
117224600
Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
94 KB
Volume
47
Category
Article
ISSN
0039-9140

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A simple, sensitive, and selective method for rapid determination of nitrite is described which is based on its catalytic effect in the reaction between thymol blue and bromate in acidic media. The reaction is monitored spectrophotometrically by measuring the decrease in absorbance at 543 nm by a fi