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Abstract Cr2O72− is one of the most toxic ions which leads to skin allergies, kidney disease and cancer. Thus, highly efficient and sensitive detection of Cr2O72− has drawn wide attentions.… Click to show full abstract
Abstract Cr2O72− is one of the most toxic ions which leads to skin allergies, kidney disease and cancer. Thus, highly efficient and sensitive detection of Cr2O72− has drawn wide attentions. In this work, we developed a wide range and high accuracy sensor basing on Allyltriethoxysilane modified nanopipette for the ultra-trace dichromate (Cr2O72−) ions' detection in an aqueous solution. The prepared Cr2O72− sensor showed a wide detection range from 10^(−16) M to 10^(−4) M and with an ultra-low detection limit down to 1.296 × 10^(−16) M.
Journal Title: Journal of Electroanalytical Chemistry
Year Published: 2020
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