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Merck

Ultrathin CdSe nanosheets: synthesis and application in simultaneous determination of catechol and hydroquinone.

Analytica chimica acta (2012-10-30)
Xia Cao, Xiaolan Cai, Quanchen Feng, Shu Jia, Ning Wang
RESUMEN

Ultrathin crystalline CdSe nanosheets have been synthesized through a facile solution processes. Their application to simultaneous electrochemical determination of catechol and hydroquinone is demonstrated. The few-layer single crystalline CdSe modified electrode exhibits strong electrocatalytic activity toward the oxidation of a mixture of catechol and hydroquinone. The excellent analytical performance makes the ultrathin CdSe nanomaterials promising for the development of electrochemical sensors for potential applications in medicine, biotechnology and environmental chemistry.

MATERIALES
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Sigma-Aldrich
Hydroquinone, ReagentPlus®, ≥99%
Sigma-Aldrich
1,2-Dihydroxybenzene, ReagentPlus®, ≥99%
Sigma-Aldrich
Pyrocatechol, ≥99%
Sigma-Aldrich
Hydroquinone, ReagentPlus®, 99%
Sigma-Aldrich
Hydroquinone, JIS special grade, ≥99.0%
Sigma-Aldrich
Hydroquinone, meets USP testing specifications
Supelco
Hydroquinone, certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Sigma-Aldrich
Pyrocatechol, purified by sublimation, ≥99.5%