本文在综合考虑离子强度和温度对水溶液中离子平衡影响的基础上,导出了计算Fe(Ⅲ)-H_2SO_4-Na_2SO_4水溶液体系中各离子物种浓度的平衡方程,为定量分析描述含铁酸性硫酸盐溶液中Fe(Ⅲ)的化学行为提供了可能。在特定条件下对各Fe(Ⅲ)物种的浓度分布进行计算表明,溶液中各离子物种的相互作用将改变其平衡浓度,显示出在处理研究结果时这种定量计算的必要性。
Taking into account the ionic strength and temperature, the ionicequilibrium equations of Fe(Ⅲ)-H_2SO_4-Na__2SO_4 aqueous solution are suggested andcan be used for the calculation of various ionic species concentration in the aque-ous solution. The calculations of concentration profiles at different conditions in-dicate that the equilibrium concentration of various ionic species in the solutionscan significantly be changed by the ion interactions. And, it suggests that the quan-titative calculation is necessary for the analysis of experimental results.
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