METHOD OF DETERMINATION OF SULFITE IONS IN AQUEOUS MEDIA USING INVERSE VOLTAMPEROMETRY

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to analytical chemistry, in particular to u0438u043du0432u0435u0440u0441u0438u043eu043du043du044bu043c u0432u043eu043bu044cu0442u0430u043cu043bu0435u0440u043eu043cu0435u0442u0440u0438u0447u0435u0441u043au0438u043c modes u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 sulfite - anions in aqueous environments. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - expansion of u043eu043fu0440u0435u0434u0435u043bu00a0u0435u043cu044bu0445 anions of sulfur, u043du0430u0445u043eu0434u00a0u0449u0438u0445u0441u00a0 in solution or u043eu0431u0440u0430u0437u0443u044eu0449u0438u0445u0441u00a0 by u043fu0440u043eu0442u0435u043au0430u043du0438u00a0 chemical and electrochemical p u0440u043eu0446u0435u0441u0441u043eu0432.the purpose of u0434u043eu0441u0442u0438u0433u0430u0435u0442u0441u00a0 because sulfite ions concentrate from a solution with ph is 5.5 - 6.5 on the surface of a copper disk electrode in electrolysis capacity from 0.02 to 0.04 in the the subsequent registration of u0432u043eu043bu044cu0430u043cu043fu0435u0440u043eu0433u0440u0430u043cu043cu044b u0440u0430u0441u0442u0432u043eu0440u0435u043du0438u00a0 residue.the concentration of sulfite ion is u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 cathodic peak height in the range of potentials from - 0.55, 0.58 in the definition is the presence of excess acetate ions 104 - 105 - sulphate ions 10 u043au0440u0430u0442u0438u044bu0439 excess nitrate - ions. determination of sulfite ions in the presence of - dimensional - ion concentrations of thiosulfate, sulfide - ions and dissolved oxygen. sn 5. yu