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405 Newest Publications about the topic solution

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Phase Equilibria of CO2 Hydrate in the Aqueous Solutions of N-Butyl-N-methylpyrrolidinium Bromide

02-Oct-2015 | Xiao-Dong Shen; Zhen Long; Ling-li Shi; De-Qing Liang, Journal of Chemical & Engineering Data, 2015

This work aims at reporting the dissociation pressures of carbon dioxide simple hydrates in the aqueous solution of N-butyl-N-methylpyrrolidinium bromide at four different mass fractions (0.01, 0.05, 0.10, and 0.20) in the pressure range of (2.34 to 3.13) MPa and in the temperature range of ...


Phase Equilibria of the NaOH–NaBO2–Na2CO3–H2O System at 30 °C, 60 °C, and 100 °C

30-Sep-2015 | Shiyue Qin; Baowen Yin; Yifei Zhang; Yi Zhang, Journal of Chemical & Engineering Data, 2015

Equilibrium data of the NaOH–NaBO2–Na2CO3–H2O quaternary system at 30 °C, 60 °C, and 100 °C were measured by an isothermal method. The phase diagrams at 30 °C and 100 °C were constructed, and the crystallization zones were discussed. In the phase diagram, the quaternary system has two invariant ...


Conductometric Investigation of the Interaction of Natural and Synthetic Surfactant with Cationic Dye in Water–Alcohol Mixed Solvent

22-Sep-2015 | Sidra Tul-Muntaha; M. Nasiruddin Khan, Journal of Chemical & Engineering Data, 2015

The association of dye and surfactant in aqueous solution alters various properties of these molecules. Alcohol as a part of a water– alcohol mixed solvent is thought to affect dye surfactant interaction. A conductance measurement was performed for the interaction of cationic dye with two anionic ...


Measurement and Correlation of Derivatized Anthraquinone Solubility in Supercritical Carbon Dioxide

18-Sep-2015 | Ratna Surya Alwi; Kazuhiro Tamura, Journal of Chemical & Engineering Data, 2015

Solubilites of 1,4-diamino-2,3-dichloroanthraquinone (C.I. Disperse Violet 28) and 1,8-dihydroxy-4,5-dinitroanthraquinone in supercritical carbon dioxide (sc-CO2) were measured at the temperature of (323.15, 353.15 and 383.15) K and over pressure ranges (12.5 to 25.0) MPa by a flow-type ...


Extraction Equilibrium of Hydrochloric Acid at Low Concentrations between Water and N235 in Isoamyl Alcohol Solution: Experiments and Simulation

16-Sep-2015 | Yunzhao Li; Xingfu Song; Shuying Sun; Yanxia Xu; Jianguo Yu, Journal of Chemical & Engineering Data, 2015

N235 in isoamyl alcohol solution acts as an efficient extraction system for the revovery of hydrochloric acid (HCl) at very low concentrations in a coupled reactive extraction–crystallization process. In this study, the extraction equilibrium of N235 + isoamyl alcohol + HCl + H2O system was ...


Solubility Isotherms of Gypsum, Hemihydrate, and Anhydrite in the Ternary Systems CaSO4 + MSO4 + H2O (M = Mn, Co, Ni, Cu, Zn) at T = 298.1 K to 373.1 K

10-Sep-2015 | Wenlei Wang; Dewen Zeng; Hang Zhou; Xiaofu Wu; Xia Yin, Journal of Chemical & Engineering Data, 2015

The solubilities of anhydrite in the ternary systems CaSO4 + MSO4 + H2O (M = Co, Ni) were determined through isothermal solution saturation at 348.1 K and 363.1 K. At low bivalent metal sulfate concentrations, anhydrite solubility decreases until it eventually reaches a minimum. Anhydrite ...


Dependence of Refractive Index on Concentration and Temperature in Electrolyte Solution, Polar Solution, Nonpolar Solution, and Protein Solution

01-Sep-2015 | Chan-Yuan Tan; Yao-Xiong Huang, Journal of Chemical & Engineering Data, 2015

The dependence of refractive index on the concentration and temperature in six kinds of aqueous solutions was investigated. The six solutions were three electrolyte solutions (NaCl, KCl, and CaCl2), a polar solution (glucose solution), a nonpolar solution (ethyl acetate solution), and a protein ...


Enthalpies of Mixing in the LaI3–MI (M = Li, Na, K, Rb, Cs) Binary Systems

31-Aug-2015 | Bozena Pilarek; Leszek Rycerz; Ida Chojnacka; Marcelle Gaune-Escard, Journal of Chemical & Engineering Data, 2015

The molar enthalpy of mixing (ΔmixHm) in the LaI3–MI (M = Na, K, Cs) liquid systems was measured over the whole composition range at 1060 K with a Calvet-type high temperature microcalorimeter. The mixing of two liquid components was achieved by using the “break-off ampoule technique”. The ...


In Situ Raman Spectroscopic Studies on Small-Cage Occupancy of Methane in the Simple Methane and Methane + Deuterated Tetrahydrofuran Mixed Hydrates

18-Aug-2015 | Caroline T. Moryama; Takeshi Sugahara; Danilo Y. Yatabe Franco; Hiroko Mimachi, Journal of Chemical & Engineering Data, 2015

To investigate the small-cage occupancies of methane (CH4) in the structure-I and structure-II hydrates, under the three-phase equilibrium conditions of clathrate hydrate, aqueous solution, and fluid CH4 phases, in situ Raman spectra of the guest molecules in the simple CH4 hydrate and the CH4 + ...


The Chemical Thermodynamic Models for Calculating the Solvent Activity Coefficient of Semidiluted Aqueous and Nonaqueous Polymer Solutions in Vapor–Liquid Equilibrium

13-Aug-2015 | Rahmat Sadeghi; Yasaman Shahebrahimi; Ashkan Zonnouri, Journal of Chemical & Engineering Data, 2015

New combinational models were proposed to predict the phase behavior of vapor–liquid equilibrium of some semidiluted binary polymer solutions at different temperatures. On the basis of these models in a polymer solution a chemical reaction, solvation, was considered producing a complex ...


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