![(R)-N-[(S)-1-[2-(Diphenylphosphino)phenyl]ethyl]-2-methylpropane-2-sulfinamide structure](https://cnstatic.chemtradehub.com/structs/159/1595319-98-4-33e7.webp "(R)-N-[(S)-1-[2-(Diphenylphosphino)phenyl]ethyl]-2-methylpropane-2-sulfinamide structure")
Colorimetric cyanide detection using an azobenzene acid in aqueous solutions
文献信息
发布日期
2009-08-03
DOI
10.1039/B903076J
影响因子
4.616
作者
Xiaoding Lou, Jingui Qin, Zhen Li
查看原文
摘要
An azo-based dye (I) was designed for the detection of cyanide by utilizing a new indirect method. In the presence of Cu(II), compound I could give rise to visible red-to-yellow color change. The resultant yellow solution could change to red immediately upon the addition of trace cyanide, with the detection limit of 0.15 ppm, but no changes were observed in the presence of other anions, including Cl−, I−, IO3−, SO42−, NO2−, Br−, H2PO4−, F−, SCN−, HSO4−, ClO4− and CN−, making compound I a selective and sensitive cyanide chemosensor.
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来源期刊
Analyst
CiteScore:
7.8
自引率:
5.6%
年发文量:
653
Analyst publishes analytical and bioanalytical research that reports premier fundamental discoveries and inventions, and the applications of those discoveries, unconfined by traditional discipline barriers.
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