METHOD FOR DETERMINING microconcentrations antimony in natural waters for environmental monitoring of water areas

摘要

1.method u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 u043cu0438u043au0440u043eu043au043eu043du0446u0435u043du0442u0440u0430u0446u0438u0439 antimony in natural water u0434u043bu00a0 environmental monitoring areas, u0437u0430u043au043bu044eu0447u0430u044eu0449u0438u0439u0441u00a0 in selecting samples, which then u043fu043eu0434u043au0438u0441u043bu00a0u044eu0442, appendix u043eu043au0438u0441u043bu0438u0442u0435u043bu00a0 and removing the excess u0432u043eu0441u0441u0442u0430u043du043eu0432u0438u0442u0435u043bu0435u043c, adding organic reagent and subsequent extraction of the formed complex, whereby the u0443u0434u00a0u0442 on the content of antimony in the sample, u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 orderwhat a u043fu043eu0434u043au0438u0441u043bu00a0u044eu0442 mixture acid extractions of complex u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 in dynamic mode by flushing of the u044du043au0441u0442u0440u0430u0433u0435u043du0442u043eu043c, from the obtained mixture u043eu0442u0434u0435u043bu00a0u044eu0442 its water part, u0438u0437u043cu0435u0440u00a0u044eu0442 optical density and the difference of optical density u044du043au0441u0442u0440u0430u0433u0435u043du0442u0430 and mixtures u0441u0443u0434u00a0u0442 antimony content in the sample.;2. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that a mixture of acids using a mixture of u0441u043eu043bu00a0u043du043eu0439 and sulphuric acids, u0432u0437u00a0u0442u044bu0445 in the ratio of 1: 1 between and 1: 1 relative to the sample, p ri that concentrations of these solutions respectively 2 moles / litre of hcl and 2 moles / litre of h2so4.;3. method for u043eu0442u043bu0438u0447u0430u044eu0449u0438u0439u0441u00a0 1, so that a u044du043au0441u0442u0440u0430u0433u0435u043du0442u0430 use a mixture of u0447u0435u0442u044bu0440u0435u0445u0445u043bu043eu0440u0438u0441u0442u043eu0433u043e carbon bromide - u0438u0437u043eu0431u0443u0442u0438u043b u043au0435u0442u043eu043du0430, u0432u0437u00a0u0442u044bu0445 in the ratio of 5: 1 between the u0441u043eu0431u043e s and 1: 1 relative to the sample.