Solubilities, densities and refractive indices for the ternary systems ethylene glycol+MCl+H2O (M=Na, K, Rb, Cs) at (15 and 35)°C

Zhou, Yanhong; Li, Shu-Ni; Zhai, Quan‐Guo; Jiang, Yucheng; Hu, Mancheng

doi:10.1016/j.jct.2010.01.017

Cited by 20 publications

(19 citation statements)

References 17 publications

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“…The materials used in this work are shown in Table . CsCl and NaCl are dried to constant weight at T = 393.15 K. The phase equilibrium was attained by a semi-microphase equilibrium installation. − The density ( d ) and refractive index ( n D ) were determined by a DMA 4500 (Anton Paar) vibrating tube densimeter and RXA 170 (Anton Paar) refractometer.…”

Section: Methodsmentioning

confidence: 99%

Phase Diagrams and Physicochemical Properties for the Ternary System (CsCl + NaCl + H₂O) at T = (298.15, 308.15, and 318.15) K

Gao

Zhai

et al. 2017

J. Chem. Eng. Data

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Complete phase diagrams and physico-chemical properties for the ternary system (CsCl + NaCl + H 2 O) were determined at T = (298.15, 308.15, and 318.15) K, respectively. The X-ray diffraction method and Schreinemaker's wet residue method were used to verify the solid phase. The phase diagrams show this ternary system is a complex type. Three crystallization regions were found corresponding to the single salt NaCl, a compound CsCl•2NaCl•2H 2 O, and a solid solution series [Cs 1−x (Na•H 2 O) x ]Cl (x in [Cs 1−x (Na•H 2 O) x ]Cl changed from 0 to 0.43 (298.15 K), 0.39 (308.15 K), and 0.36 (318.15 K) at each temperature. With rising temperature, the crystallization area of NaCl increased, but CsCl•2NaCl•2H 2 O and [Cs 1−x (Na•H 2 O) x ]Cl decreased simultaneously. However, density and refractive index increased with increasing CsCl concentration.

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Section: Methodsmentioning

confidence: 99%

Phase Diagrams and Physicochemical Properties for the Ternary System (CsCl + NaCl + H₂O) at T = (298.15, 308.15, and 318.15) K

Gao

Zhai

et al. 2017

J. Chem. Eng. Data

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“…A series of solutions, including saturated and unsaturated solutions were prepared by using AL 204 analytical balance (Mettler Toledo, Switzerland) with an accuracy of ± 1 × 10 -4 g. The experimental apparatus is similar to the one we used previously. 20 The concentrations of the salts in the saturated solution were determined via the titration method by using mercury nitrate as titrant. The content of 1,2-propanediol was obtained using the oxidation process and K2Cr2O7 was used as oxidant.…”

Section: Apparatus and Proceduresmentioning

confidence: 99%

“…13,14 Some of domestic group also made a detailed study of such systems. [15][16][17] In previous work, our research groups [18][19][20][21][22] have investigated the solubility of the ternary systems of rare alkali metal (Rb and Cs) salts in the mixed solvents of water and organic solvent. Moreover, the phase equilibria of the quaternary systems of two salts in the mixted solvents were studied.…”

Section: Introductionmentioning

confidence: 99%

Solubility, Density and Refractive Index for the Ternary Systems of 1,2-Propanediol, MCl (M=Na, K, Rb, Cs) and H<sub>2</sub>O at 298.15 and 308.15 K

雷红¹,

李淑妮²,

翟全国³

et al. 2012

Acta Physico-Chimica Sinica

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In this paper, the liquid-solid equilibrium for the ternary systems composed of 1,2-propanediol, MCl (M=Na, K, Rb, Cs), and H2O were studied at 298.15 and 308.15 K, with the mass fraction of 1,2propanediol ranging from 0 to 0.9. The solubilities, densities, and refractive indices of the saturated systems, and the densities and refractive indices of the unsaturated solutions are reported herein. The solubilities were determined via a titration method using mercury nitrate as the titrant. Refractive index and density data were measured using an Anton Paar RXA170 refractometer and Anton Paar DMA4500 densimeter, respectively. The experimental values of the solubilities and densities of the saturated solutions decreased with increasing 1,2-propanediol concentration, whereas different trends of increase were observed for the refractive indices. The experimental density and refractive index data for the unsaturated solutions increased with increasing 1,2-propanediol to water ratios. Empirical equations have been provided for these properties as a function of concentration. On the basis of the standard deviations, we concluded that the empirical equations could be satisfactorily used to correlate the solubility, density, and refractive index data of the investigated systems. These values will enrich the thermodynamics data for alkali metals in mixed solvents, and lay a foundation for any subsequent work.

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“…For example, the solubilities of NaCl/KCl/LiCl/LiBr + CH 3 OH/C 2 H 5 OH/CH 3 COCH 3 + H 2 O , in the temperature range of 293.15–333.15 K were determined. The solubilities of MCl (M = Na, K, Rb, Cs) in ethylene glycol/glycerin + H 2 O at different temperatures were discussed based on the structure and properties of the organic solvent. − For the inorganic salt–alcohol–water ternary system, the structure of alcohols has a great influence on the properties of the solution. The ternary systems of NaCl/KCl + butanols (1-butanol, 2-butanol, 2-methyl-1-propanol) + H 2 O at 298.15 K and NaCl + pentanols (1-pentanol, 2- pentanol, 3-pentanol) + H 2 O at 298.15 K were investigated to discuss the effect of the carbon chain on the phase behavior of the ternary systems.…”

Section: Introductionmentioning

confidence: 99%

Phase Behavior of N-Methylpyrrolidone + MCl (M = Na, K, Rb, Cs) + H₂O Systems at 288.2, 298.2, and 308.2 K

Qiu

Cao

et al. 2021

J. Chem. Eng. Data

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In this paper, the solid–liquid equilibrium of N-methylpyrrolidone (NMP) + MCl (M = Na, K, Rb, and Cs) + H2O ternary systems was investigated at three temperatures (T = 288.2, 298.2, and 308.2 K). The isothermal solubility, density, and refractive index of the saturated ternary systems were obtained. At the same temperature, as the NMP content in the mixed solvent increases, the solubility of the salt decreases significantly, and the density change trend is consistent with the solubility. However, as the NMP content in the mixed solvent increases, the refractive index increases. As the experimental temperature increases, the solubility and density increase, while the refractive index decreases. Moreover, the semi-empirical four-parameter equation was used to fit the experimental data.

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Solubilities, densities and refractive indices for the ternary systems ethylene glycol+MCl+H2O (M=Na, K, Rb, Cs) at (15 and 35)°C

Cited by 20 publications

References 17 publications

Phase Diagrams and Physicochemical Properties for the Ternary System (CsCl + NaCl + H₂O) at T = (298.15, 308.15, and 318.15) K

Phase Diagrams and Physicochemical Properties for the Ternary System (CsCl + NaCl + H₂O) at T = (298.15, 308.15, and 318.15) K

Solubility, Density and Refractive Index for the Ternary Systems of 1,2-Propanediol, MCl (M=Na, K, Rb, Cs) and H<sub>2</sub>O at 298.15 and 308.15 K

Phase Behavior of N-Methylpyrrolidone + MCl (M = Na, K, Rb, Cs) + H₂O Systems at 288.2, 298.2, and 308.2 K

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Solubilities, densities and refractive indices for the ternary systems ethylene glycol+MCl+H2O (M=Na, K, Rb, Cs) at (15 and 35)°C

Cited by 20 publications

References 17 publications

Phase Diagrams and Physicochemical Properties for the Ternary System (CsCl + NaCl + H2O) at T = (298.15, 308.15, and 318.15) K

Phase Diagrams and Physicochemical Properties for the Ternary System (CsCl + NaCl + H2O) at T = (298.15, 308.15, and 318.15) K

Solubility, Density and Refractive Index for the Ternary Systems of 1,2-Propanediol, MCl (M=Na, K, Rb, Cs) and H<sub>2</sub>O at 298.15 and 308.15 K

Phase Behavior of N-Methylpyrrolidone + MCl (M = Na, K, Rb, Cs) + H2O Systems at 288.2, 298.2, and 308.2 K

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Phase Diagrams and Physicochemical Properties for the Ternary System (CsCl + NaCl + H₂O) at T = (298.15, 308.15, and 318.15) K

Phase Diagrams and Physicochemical Properties for the Ternary System (CsCl + NaCl + H₂O) at T = (298.15, 308.15, and 318.15) K

Phase Behavior of N-Methylpyrrolidone + MCl (M = Na, K, Rb, Cs) + H₂O Systems at 288.2, 298.2, and 308.2 K