Sensitive and selective ion exchange test for microgram detection and spectrophotometric determination of picric acid

The microgram detection and determination of picric acid with sodium hypochlorite solution is based on its oxidation in alkaline solution and chlorination with excess of chlorine present in hypochlorite solution. A characteristic orange color is obtained, which can be used as a specific test. The se...

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Bibliographic Details
Published in:Microchemical journal 1981-01, Vol.26 (4), p.472-476
Main Authors: Qureshi, Saidul Zafar, Izzatullah, Bansal, Reeta
Format: Article
Language:English
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Summary:The microgram detection and determination of picric acid with sodium hypochlorite solution is based on its oxidation in alkaline solution and chlorination with excess of chlorine present in hypochlorite solution. A characteristic orange color is obtained, which can be used as a specific test. The sensitivity of the picric acid was enhanced by performing the resin spot test. This color reaction was applied for the determination of picric acid spectrophotometrically.
ISSN:0026-265X
1095-9149
DOI:10.1016/0026-265X(81)90134-X