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Determination of Cyanide Ion by Adsorptive Stripping Voltammetry
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2001, v.14 no.6, pp.540-544
Cha,
K., Ko,
S., &
Kim,
J.
(2001). Determination of Cyanide Ion by Adsorptive Stripping Voltammetry. Analytical Science and Technology, 14(6), 540-544.
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Abstract
Determination of cyanide ion has been studied by adsorptive stripping voltammetry using hanging mercury electrode. Cyanide ion complexed with copper ion is adsorpbed on the electrode and oxidised at the positive potential scan. Optimal conditions of CN determination were found to be ; supporting electrolyte solution ; 0.1 M NaCl of ammonium buffer at pH 10, accumulation potential; -800 mV vs Ag/AgCl, accumulation time ; 300 s, scan rate ; 50mV/s. The linear concentration of cyanide ion was observed in the range <TEX>$1{\times}10^{-8}$</TEX>, <TEX>$1{\times}10^{-7}M$</TEX>. The detection limit(n/s
- keywords
- cyanide ion, adsorptive stripping voltammetry, <TEX>$Cu^{2+}$</TEX>
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