A simple colorimetric method for the quantification of Au( iii ) ions and its use in quantifying Au nanoparticles

A simple and sensitive method, based on the redox reaction between 3,3′,5,5′-tetramethylbenzidine and Au 3+ , for the quantification of Au 3+ ions was developed. The method was successfully applied to the rapid and accurate quantification of Au-based nanoparticles.

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Bibliographic Details
Published inAnalytical methods Vol. 7; no. 9; pp. 3671 - 3675
Main Authors Xia, Xiaohu, Zhang, Jingtuo, Sawall, Tyler
Format Journal Article
LanguageEnglish
Published 01.01.2015
Subjects
Colorimetry
Gold
Mathematical analysis
Nanoparticles
Redox reactions
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Summary:A simple and sensitive method, based on the redox reaction between 3,3′,5,5′-tetramethylbenzidine and Au 3+ , for the quantification of Au 3+ ions was developed. The method was successfully applied to the rapid and accurate quantification of Au-based nanoparticles.
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ISSN:1759-9660
1759-9679
DOI:10.1039/C5AY00490J