Sensitive and selective ion exchange test for microgram detection and spectrophotometric determination of picric acid |
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Authors: | Saidul Zafar Qureshi Izzatullah Reeta Bansal |
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Affiliation: | Chemistry Department, Aligarh Muslim University, Aligarh-202001, India |
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Abstract: | 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. |
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