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| Content Provider | Springer Nature Link |
|---|---|
| Author | Hu, Juanxin Sang, Shihua Liu, Qingzhu |
| Copyright Year | 2015 |
| Abstract | Solid–liquid equilibria in the quaternary systems NaBr–KBr–MgBr$_{2}$–H$_{2}$O and KBr–NaBr–CaBr$_{2}$–H$_{2}$O at 348.15 K were determined using the method of isothermal solution saturation. The solubilities of the equilibrium solutions were determined. According to the experimental data, the equilibrium phase diagrams and water content diagrams of the two quaternary systems were plotted. The solubility diagram of the quaternary NaBr–KBr–MgBr$_{2}$–H$_{2}$O system has two invariant points, five univariant curves, and four crystallization fields (which are saturated with MgBr$_{2}$·6H$_{2}$O, KBr·MgBr$_{2}$·6H$_{2}$O, NaBr and KBr, respectively, where KBr·MgBr$_{2}$·6H$_{2}$O is a double salt). The solubility diagram of the quaternary system KBr–NaBr–CaBr$_{2}$–H$_{2}$O includes one invariant point, three univariant curves, and three crystallization fields (CaBr$_{2}$·2H$_{2}$O, KBr and NaBr). The dissolution equilibrium constant K of NaBr, KBr, MgBr$_{2}$·6H$_{2}$O, KBr·MgBr$_{2}$·6H$_{2}$O and CaBr$_{2}$·2H$_{2}$O at 348.15 K were fitted using Pitzer’s equation. A chemical model based on the Pitzer equation was constructed to calculate the solubilities of salts in the two quaternary systems at 348.15 K. The calculated solubilities are in agreement with experimental results. |
| Starting Page | 1963 |
| Ending Page | 1975 |
| Page Count | 13 |
| File Format | |
| ISSN | 00959782 |
| Journal | Journal of Solution Chemistry |
| Volume Number | 44 |
| Issue Number | 10 |
| e-ISSN | 15728927 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2015-10-01 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Solid–liquid equilibrium Pitzer model Solubility Bromide salts Physical Chemistry Industrial Chemistry/Chemical Engineering Geochemistry Oceanography Inorganic Chemistry Condensed Matter Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biochemistry Molecular Biology Biophysics Physical and Theoretical Chemistry |
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