Abstract
There were examined the calculation method of Gibbs free energy for half-reaction in the absence of findings on values of free standard energy of formation of its parent substances and resultant products. Through example of galena was showed that use of suggested procedure allows cope with a task of thermodynamic solving for system of PbS–H2O–CO2–(C4H9O)2PSS– and construct respective graph of thermodynamic stability. According to received data was defined a possible composition of sorption layer on the galena surface in the presence of dibutyl dithiophosphate ion and identified its link with the concentration of ion collector and oxidation-reduction potential at prescribed value of pH. There was made comparison of graph with analogous system of PbS–H2O–CO2–C4H9OCSS–
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Schedule a callMore From: Izvestiya Vuzov. Tsvetnaya Metallurgiya (Proceedings of Higher Schools. Nonferrous Metallurgy)
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