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Stable Tetrahedron NaBO2–Na2CO3–Na2WO4–K2WO4of the Quaternary Reciprocal System Na,K∥BO2,CO3,WO4

  • Physicochemical Analysis of Inorganic Systems
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Abstract

By differential thermal analysis using the calculation-experimental method, the phase diagram of the quaternary system NaBO2–Na2CO3–Na2WO4–K2WO4 was studied, and the coordinates of ternary eutectics and two quaternary eutectics were determined: E □1 (530°C, 5.6% NaBO2, 30% Na2CO3, 55.3% Na2WO4, 9.1% K2WO4). It was shown that the calculated and experimental data on the coordinates of the quaternary eutectics agree satisfactory.

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Authors and Affiliations

  1. Kabardino-Balkarian State University, Nalchik, 360004, Russia

    Zh. A. Kochkarov, R. A. Zhizhuev & A. M. Kharaev

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  1. Zh. A. Kochkarov
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  2. R. A. Zhizhuev
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  3. A. M. Kharaev
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Correspondence to Zh. A. Kochkarov.

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Kochkarov, Z.A., Zhizhuev, R.A. & Kharaev, A.M. Stable Tetrahedron NaBO2–Na2CO3–Na2WO4–K2WO4of the Quaternary Reciprocal System Na,K∥BO2,CO3,WO4. Russ. J. Inorg. Chem. 64, 393–400 (2019). https://doi.org/10.1134/S0036023619030112

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