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Disproportionation Reactions of HIO and NaIO in Static and Dynamic Systems

American Journal of Analytical Chemistry 2014年第15期5卷 1046-1056页

作者： marcin toporek Anna Maria Michalowska-Kaczmarczyk Tadeusz Michalowski Faculty of Engineering and Chemical Technology Technical University of CracowCracowPoland Department of Oncology The University Hospital in CracowCracowPoland

The paper refers to disproportionation of HIO and NaIO in aqueous media, in static and dynamic systems. The results of calculations, realized according to GATES/GEB principles, with use of an iterative computer program, are presented graphically. An example of the computer program with all physicochemical knowledge involved in the related algorithm is attached herewith.

关键词： Disproportionation Generalized Approach to Electrolytic Systems Generalized Electron Balance HIO NaIO

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Solubility and Dissolution in Terms of Generalized Approach to Electrolytic Systems Principles

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Journal of Analytical Sciences, Methods and Instrumentation 2015年第4期5卷 47-58页

作者： Anna Maria Michalowska-Kaczmarczyk Tadeusz Michalowski marcin toporek Andrzej Pietrzyk Department of Oncology The University Hospital in CracowCracowPoland Department of Analytical Chemistry Technical University of CracowCracowPoland

The correct approach, based on the rules of conservation and detailed physicochemical/thermodynamic knowledge on the system considered is opposed to conventional approach to solubility and dissolution, based on stoichiometry of a reaction notation and on the solubility product (Ksp) of a precipitate. The correct approach is realized according to Generalized Approach to Electrolytic Systems (GATES) principles, with use of iterative programs applied for computational purposes. All the qualitative and quantitative knowledge is involved in the balances and independent expressions for the equilibrium constants. Three two-phase electrolytic systems with diversified chemical properties were selected carefully, from the viewpoint of their diversity. The results of calculations are presented graphically and discussed. The advantages of the GATES in resolution of two-phase (static) non-redox systems and one complex (dynamic) redox system are proved.

关键词： Solubility Dissolution GATES

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Formulation of Titration Curves for Some Redox Systems

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American Journal of Analytical Chemistry 2014年第13期5卷 861-878页

作者： Anna MMichalowska-Kaczmarczyk Maciej Rymanowski Agustin GAsuero marcin toporek Tadeusz Michalowski Department of Oncology The University Hospital in CracowCracowPoland Regional Subcarpathian Forensic Laboratory of Police RzeszówPoland Department of Analytical Chemistry The University of SevilleSevilleSpain Department of Analytical Chemistry Technical University of CracowCracowPoland

The formalism realised according to the Generalised Approach to Electrolytic Systems (GATES) is presented and applied to typical redox systems known from the laboratory practice. In any redox system, the Generalized Electron Balance (GEB), perceived as the law of the matter conservation, is derivable from linear combination 2·f(O) – f(H) of elemental balances: f(O) for oxygen and f(H) for hydrogen. It is an equation linearly independent from other (charge and concentration) balances referred to an electrolytic redox system (aqueous media) of any degree of complexity, and named as the primary form of GEB and then denoted as pr-GEB. A compact equation for GEB is obtained from linear combination of 2·f(O) – f(H) with other (charge and concentration) balances. For a non-redox electrolytic system, of any degree of complexity, the balance 2·f(O) – f(H) is not an independent equation. In the derivation of GEB, all known components (species) of the system tested, taken in their real (i.e., hydrated) form, are involved in the balances, and none simplifying assumptions are needed. The redox systems are simulated with use of an iterative computer program.

关键词： Solution Thermodynamics Generalized Approach To Electrolytic Systems Generalized Electron Balance Redox Titration

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