Single-drop method for determination of cyanide in solution with a piezoelectric quartz crystal |
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| Authors: | T. Nomura |
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| Affiliation: | Department of Chemistry, Faculty of Science, Shinshu University, Asahi, Matsumoto 390 Japan |
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| Abstract: | The change in frequency of a horizontal quartz crystal in contact with a single drop of solution is measured. When the gold electrode of the crystal is dissolved by reaction with cyanide in alkaline solution, the further change of frequency is linearly related to cyanide concentration in the range 10-3–10-4 M at pH 10.4. Only silver(I) and mercury(II) interfere if EDTA is added. |
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