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Thermodynamic Models for Determination of the Solubility of the (1:1) Complex of (Urea + l-Malic Acid) in (Methanol + Acetonitrile) Binary Solvent Mixtures

20-May-2015 | Qi Zhang; Yonghong Hu; Yang Yang; Cuicui Cao; Limin Cheng; Yonglan Li; Wenge Yang, Journal of Chemical & Engineering Data, 2015

In this paper, we focused on solubility and solution thermodynamics of urea l-malic acid (1:1 solid state compound). By gravimetric method, the solubility of urea l-malic acid was measured in (methanol + acetonitrile) binary solvent mixtures in the temperature (from 278.15 K to 333.15 K). The ...


Phase Equilibrium in the Aqueous Ternary System KH2PO4+ KCl +H2O at (288.15 and 303.15) K

19-May-2015 | Jun Long; Jian-hua Tang; Yu-kun You; Lian-mei Guo; Ke Chen, Journal of Chemical & Engineering Data, 2015

In this study, the solubility and density of a ternary system (KH2PO4 + KCl + H2O) at (288.15 and 303.15) K were determined, using isothermal solution saturation and wet residues. The equilibrium solids were detected by the Schreinemaker’s method of wet residues and verified by X-ray diffraction ...


Solubility of 3,7-Dinitro-1,3,5,7-tetraazabicyclo [3.3.1] Nonane in Ethanenitrile, Methanol, 1,1-Dichloroethane, Dimethyl Sulfoxide, Acetone, and Mixed Solvents

13-May-2015 | Min Xue; Siyu Wu; Wenjin Liu; Qiao Zhu; Zihui Meng; Zhihui Lin, Journal of Chemical & Engineering Data, 2015

The solubility of 3,7-dinitro-1,3,5,7-tetraazabicyclo [3.3.1] nonane (DPT) was measured in ethanenitrile, methanol, 1,1-dichloroethane, dimethyl sulfoxide (DMSO), acetone, ethyl acetate, ethyl acetate and methanol mixture, and acetonitrile and water mixture from 288.15 K to 308.15 K. In this ...


Solubility and Solution Thermodynamics of Diphenoxylate in Different Pure Solvents

13-May-2015 | Xue-Yan Qing; Hua-Lin Fu; Gang Shu; Meng-Jiao Liu; Jian-Yu Zhou; Wen-Bin Wu; Yan-Li Zhang; Jun-Jie Zhou, Journal of Chemical & Engineering Data, 2015

The solubility data of diphenoxylate in pure solvents of water, methanol, ethanol, acetone, acetonitrile, 2-propanol were measured within the temperature range of 293.15–318.15 K by a static analytical method under atmospheric pressure. Several commonly used thermodynamic models, including the ...


Phase Stability and Kinetics of CH4 + CO2 + N2 Hydrates in Synthetic Seawater and Aqueous Electrolyte Solutions of NaCl and CaCl2

12-May-2015 | Himangshu Kakati; Ajay Mandal; Sukumar Laik, Journal of Chemical & Engineering Data, 2015

The hydrate formation and dissociation in aqueous electrolyte (NaCl and CaCl2) solution of different concentrations and in synthetic seawater with CH4 + CO2 + N2 mixture have been studied. Experiments were performed in saltwater of 2 % (w/v) and 3 % (w/v) NaCl and CaCl2 and in synthetic seawater ...


Aqueous Biphasic Systems Composed of Ionic Liquids and Acetate-Based Salts: Phase Diagrams, Densities, and Viscosities

07-May-2015 | Maria V. Quental; Helena Passos; Kiki A. Kurnia; João A. P. Coutinho; Mara G. Freire, Journal of Chemical & Engineering Data, 2015

Ionic-liquid-based aqueous biphasic systems (IL-based ABS) have been largely investigated as promising extraction and purification routes. In this context, the determination of their phase diagrams and the physical properties of the coexisting phases are of high relevance when envisaging their ...


Solution Thermodynamics of Imidazolium-Based Ionic Liquids and Volatile Organic Compounds: Benzene and Acetone

06-May-2015 | Chang-Hao Li; Kai-Xuan Gao; Yu-Ning Meng; Xian-Kun Wu; Feng Zhang; Zhi-Xiang Wang, Journal of Chemical & Engineering Data, 2015

Vapor–liquid equilibria (VLE) of benzene and acetone in the selected eight imidazole ionic liquids (ILs) was studied with a static method. VLE measurements were carried out over an extremely low concentration range and at temperatures ranging from 303.2 to 333.2 K. On the basis of the solubility ...


Solid–Liquid Equilibria in the Ternary Systems NaCl–SrCl2–H2O and KCl–SrCl2–H2O at 348 K

05-May-2015 | Da-wei Li; Shi-hua Sang; Rui-zhi Cui; Cui Wei, Journal of Chemical & Engineering Data, 2015

Solid–liquid equilibria in the ternary systems NaCl–SrCl2–H2O and KCl–SrCl2–H2O at 348 K were measured by the isothermal solution saturation method. The composition of the equilibrium solid phase, solubilities of salts, and densities of saturated solution in the two systems were determined. Phase ...


(p, ρ, T) Behavior of CO2 + Tetradecane Systems: Experiments and Thermodynamic Modeling

01-May-2015 | Yi Zhang; Weiwei Jian; Yongchen Song; Weiguo Liu; Mingjun Yang; Jiafei Zhao; Yu Liu; Yuechao Zhao, Journal of Chemical & Engineering Data, 2015

The injection of CO2 into oil reservoirs (CO2 enhanced oil recovery, CO2-EOR) can result in higher production, and the use of CO2 as a mining resource can thus be an economic driver for oil production. The thermodynamic properties of CO2 mixtures are essential for the design and operation of ...


Synthesis of CoFe2O4–Zeolite Materials and Application to the Adsorption of Gallium and Indium

01-May-2015 | Fangbiao Zhao; Yongcun Zou; Xueju Lv; Hongwei Liang; Qiong Jia; Weikun Ning, Journal of Chemical & Engineering Data, 2015

Magnetic cobalt ferrite (CoFe2O4)-coated zeolite was prepared with a hydrothermal method and used for the adsorption of gallium and indium. The magnetic zeolite was characterized with X-ray diffraction, X-ray photoelectric spectroscopy, Fourier-transformed infrared spectroscopy, scanning electron ...


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