Search for: [Abstract = "In this thesis the aim was to choose multicomponent complex systems that were analized taking into consideration standard oxidation\-reduction potential, solubility product and stability constants. The influence of pH of reaction environment, temperature and presence of other solvents was examined. The obtained results enabled to choose mixtures for which inhibited redox reactions are possible. The following systems were chosen\: \(Cu\(II\)\/F e\(II\)\/F\-, Cu\(II\)\/F e\(II\)\/P2O74\-,Cu\(II\)\/Fe\(II\)\/ \[C6O1H5\]3\-, Cu\(II\)\/Fe\(II\)\/I\- oraz Cu\(II\)\/Fe\(II\)\/SCN\-\)and analized by ceriometry, iodometry, spectrophotometry, potentiometry with the application of ion\-selective electrodes. The above mentioned methods were validated based on the results obtained during analysis.The obtained results have proved that inhibited redox reactions proceed in examined systems. Stoichiometric ratios of reagents were established and their values were confirmed by the following instrumental methods\: IR analysis, ion chromatography and mass spectrometry. The developed procedures were applied for quantitative analysis of chosen pharmaceutical preparations and multicomponent mixtures including ions creating the previously mentioned systems. The results of quantitative analysis show that the newly developed methods described in this PhD thesis may serve as reference methods for quantitative analysis of multicomponent m"]

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