Determination of metals by second-harmonic alternating-current voltammetry with a semi-stationary mercury electrode |
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| Authors: | Locatelli C Fagioli F Bighi C Garai T |
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| Institution: | Department of Chemistry, University of Ferrara, Via L. Borsari 46, 44100 Ferrara, Italy. |
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| Abstract: | The simultaneous determination of tin(II) and lead(II) as well as of indium(III) and cadmium(II) by second-harmonic a.c. voltanunetry using a semi-stationary mercury electrode with a drop-time of 240-300 sec (the long-lasting sessile-drop mercury electrode) has been investigated. Under the best experimental conditions, concentration ratios in the ranges l:12 c(Sn):c(Pb) 15:1 and 1:15 c(In):c(Cd) 15:1 can be determined. |
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