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Phase Equilibria in the Ternary Systems K2SO4–K2B4O7–H2O and Na2SO4–Na2B4O7–H2O at 348 K
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    Phase Equilibria in the Ternary Systems K2SO4–K2B4O7–H2O and Na2SO4–Na2B4O7–H2O at 348 K
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    College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, P. R. China
    State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation (Chengdu University of Technology), Chengdu 610059, P. R. China
    § Mineral Resources Chemistry Key Laboratory of Sichuan Higher Education Institutions, Chengdu 610059, P. R. China
    *Tel.: 13032845233. E-mail: [email protected], [email protected]
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    Journal of Chemical & Engineering Data

    Cite this: J. Chem. Eng. Data 2012, 57, 12, 3498–3501
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    https://doi.org/10.1021/je3006387
    Published November 20, 2012
    Copyright © 2012 American Chemical Society

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    Phase equilibria in the ternary systems K2SO4–K2B4O7–H2O and Na2SO4–Na2B4O7–H2O at 348 K were studied by the isothermal solution saturation method. The solubilities and densities of the solution in these ternary systems were determined experimentally. Using the experimental data, the phase diagrams of the two ternary systems were obtained. The ternary systems K2SO4–K2B4O7–H2O and Na2SO4–Na2B4O7–H2O at 348 K are a type of simple common saturation and without complex salt and solid solution. In the phase diagrams and both the two ternary systems at 348 K, all have one invariant point, two univariant curves, and two regions of crystallization. The two crystallization regions of the ternary system K2SO4–K2B4O7–H2O at 348 K correspond to potassium borate tetrahydrate (K2B4O7·4H2O) and potassium sulfate (K2SO4). The two single-salt crystallization regions are sodium borate pentahydrate (Na2B4O7·5H2O) and sodium sulfate (Na2SO4) in the ternary system Na2SO4–Na2B4O7–H2O at 348 K.

    Copyright © 2012 American Chemical Society

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    This article is cited by 13 publications.

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    2. Yu-yan Yang, Xue-ping Zhang, Dan Wang, and Shi-hua Sang . Phase Equilibria of Two Ternary Systems: Li2SO4–Li2B4O7–H2O and K2B4O7–K2SO4–H2O at 273 K. Journal of Chemical & Engineering Data 2017, 62 (7) , 2123-2127. https://doi.org/10.1021/acs.jced.7b00219
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    6. Yong-Xia Hu, Shi-Hua Sang, Rui-Zhi Cui, and Si-Yao Zhong . Solid–Liquid Equilibria in the Ternary System KCl–KBr–H2O at 348 K. Journal of Chemical & Engineering Data 2014, 59 (3) , 802-806. https://doi.org/10.1021/je400931p
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    10. Yan Yu, Kaiyu Zhao, Yafei Guo, Xia Wang, Tianlong Deng. Phase Equilibria and Phase Diagrams for the Ternary Systems (KCl/K2SO4 + KB5O8 + H2O) at 298.15 K and 101.325 kPa. Journal of Solution Chemistry 2019, 48 (7) , 1135-1146. https://doi.org/10.1007/s10953-019-00892-0
    11. Wen Yao Zhang, Xiao Ping Li, Lei Yang, Shi Hua Sang. Experimental Study on Phase Equilibria in Na2B4O7–Na2SO4–H2O and Li2B4O7–Na2B4O7–H2O Aqueous Ternary Systems at 273 K. Russian Journal of Physical Chemistry A 2019, 93 (6) , 1032-1037. https://doi.org/10.1134/S0036024419060347
    12. Tingting Zhang, Lei Yang, Wenyao Zhang, Shihua Sang, Ruizhi Cui. Metastable Phase Equilibria in the Aqueous Ternary Systems K2B4O7–K2SO4–H2O and K2B4O7–KCl–H2O at 273 K. Journal of Chemical Engineering of Japan 2017, 50 (8) , 595-600. https://doi.org/10.1252/jcej.16we232
    13. Shi-Hua Sang, Hai Zhang, Si-Yao Zhong, Jia-Wen Hu, Ming-Liang Sun. Experimental study of the solubilities of salts in the systems Na2B4O7–NaBr–H2O and Na2B4O7–Na2SO4–NaBr–H2O at 323K. Fluid Phase Equilibria 2014, 361 , 171-174. https://doi.org/10.1016/j.fluid.2013.10.047

    Journal of Chemical & Engineering Data

    Cite this: J. Chem. Eng. Data 2012, 57, 12, 3498–3501
    Click to copy citationCitation copied!
    https://doi.org/10.1021/je3006387
    Published November 20, 2012
    Copyright © 2012 American Chemical Society

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