ELECTROREDUCTION AT SOLID ELECTRODE MATERIALS AND VOLTAMMETRIC DETERMINATION OF POTASSIUM HYDROGENPEROXOMONOSULFATE

Mykola Blazheyevskiy, Olena Mozgova

Abstract


The electrochemical behaviour of potassium hydrogenperoxomonosulfate (KHSO5) at carbositall and Au, Ag electrodes using the square-wave voltammetry (SWV) with 0.2 mol L–1 KHSO4 background solution (pH ~ 0.8) (Ep = 0.25 V vs Ag,AgCl/KСl(sat)) and differential pulse voltammetry (DPV) with 0.01 mol L–1 Na2
SO4+8×10–3 Н2SO4 background solution (pH = 0.9) (Ep = 0.14 V vs Ag,AgCl/KСl(sat)) correspondingly were studied. The voltammetric methods were developed and the possibility to determine the peroxomonosulfate in model solutions on the studied electrodes was shown.


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DOI: http://dx.doi.org/10.18007/gisap:msp.v0i9.1271

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