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Mohamed El Guendouzi Rachid Azougen Abderrahim Dinane Asmaa Benbiyi 《Journal of solution chemistry》2004,33(8):941-955
The mixture {yNaCl + (1 – y)CaCl2}(aq) has been studied with the hygrometric method at the temperature 25°C. The water activities were measured at total molalities from 0.25 mol-kg–1 to near saturation for different ionic-strength fractions y of NaCl with y = 0.33, 0.50, and 0.67. The obtained data allow the calculation of osmotic coefficients. The experimental results are compared with the predictions of the Zdanovskii–Stokes–Robinson (ZSR), Kusik and Meissner (KM), Robinson and Stokes (RS), Lietzke and Stoughton (LS II), Reilly–Wood–Robinson (RWR), and Pitzer models. From the measured osmotic coefficients, the Pitzer ionic mixing parameters Na Ca and Na Ca Cl are determined and are used to predict the solute activity coefficients in the mixtures. The excess Gibbs energy is also determined. These results are compared with those given in the literature. 相似文献
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Aboufaris EL Alaoui S. M. Ghallali L. EL Guendouzi M. Benbiyi A. 《Journal of solution chemistry》2022,51(7):802-815
Journal of Solution Chemistry - In this investigation, calculated and experimental solubilities of the binary aqueous solutions of dipotassium hydrogenphosphate and disodium hydrogenphosphate have... 相似文献
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