Abstract
The diffusion-limited electrochemical oxidation of N-ni-trosamines in an aqueous pH 1.5 buffer is demonstrated at a glassy carbon electrode which is coated with a film of mixed valent ruthenium oxides that are stabilized by cyano cross-links (mvRuCN). The process occurs at 1.080V vs Ag/AgCl, 3M Nacl where Ru(VI) is the electron-transfer mediator in the film. The mvRuCN electrode was used in a potentiostatic amperometric detector for flow injection analysis and high-performance liquid chromatography to allow the determination of representative compounds such as N-nitrosodimethylamine, N-nitrosodi-n-propylamine (NNDPA), and N-nitrosodiphenylamine (NNDPhA)
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