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Measurement of CO2 Solubility in NaCl Brine Solutions at Different Temperatures and Pressures Using the Potentiometric Titration Method

24-Jun-2015 | Erfan Mohammadian; Hossein Hamidi; Mohammad Assadullah; Amin Azdarpour; Shervin Motamedi; Radzuan Junin, Journal of Chemical & Engineering Data, 2015

The solubility of CO2 in brine is one of the trapping mechanisms by which the CO2 is sequestrated in aquifers. In this research, an unconventional method, called the potentiometric titration, was used to obtain the solubility of CO2 in distilled water and NaCl brine. The solubility data for the ...


Solubility of Hydrogen Sulfide in Aqueous Blends of 2-Amino-2-methyl-1-propanol and N-Methyldiethanoleamine: Experimental Measurement and Modeling

24-Jun-2015 | Mohammad Shokouhi; Hamidreza Bozorgzade; Parisa Sattari, Journal of Chemical & Engineering Data, 2015

The solubility of H2S in aqueous solutions of 40 mass % MDEA + 5 mass % AMP, 30 mass % MDEA + 15 mass % AMP, and 22.5 mass % MDEA + 22.5 mass % AMP at (313.15, 333.15, and 353.15) K and pressure from the vapor pressure of the solutions up to 1.5 MPa using the isochoric saturation method were ...


Solubility and Solution Thermodynamics of Gibberellin A4 in Different Organic Solvents from 278.15 K to 333.15 K

23-Jun-2015 | Gang Wu; Yonghong Hu; Pengfei Gu; Wenge Yang; Zhiwen Ding; Chunxiao Wang; Yonggen Qian, Journal of Chemical & Engineering Data, 2015

Data on corresponding solid–liquid equilibrium of Gibberellin A4 (GA4) in different solvents is essential for a preliminary study of industrial applications. In this paper, the solid–liquid equilibrium of GA4 in water, methanol, ethanol, isopropanol, 1-butanol, acetonitrile, acetone, and ethyl ...


Standard Volumetric Properties of Tetra-N-ethylglycoluril (Bicaret) in Ordinary and Heavy Water at Temperatures from (278.15 to 318.15) K and Ambient Pressure

22-Jun-2015 | Evgeniy V. Ivanov; Elena Yu. Lebedeva; Vladimir K. Abrosimov, Journal of Chemical & Engineering Data, 2015

The densities of solutions of bicaret (2,4,6,8-tetraethyl-2,4,6,8-tatraazabicyclo[3.3.0]octane-3,7-dione or tetra-N-ethylglycoluril) in ordinary (H2O) and heavy (D2O) water were measured using the Anton Paar DMA 5000 M high-precision vibrating tube densimeter. All experiments were carried out ...


(Solid + Liquid) Phase Equilibrium in the Aqueous Ternary System NaH2PO4 + CO(NH2)2 + H2O at (308.15, 328.15, and 348.15) K

19-Jun-2015 | Yang Xiao; Jun-lin Su; Haitao Cao, Journal of Chemical & Engineering Data, 2015

In this study, the solubility of the ternary system (NaH2PO4 + CO(NH2)2 + H2O) at (308.15, 328.15, and 348.15) K were determined, using isothermal solution saturation. The equilibrium solid phases were analyzed by the Schreinemaker’s method of wet residues and verified by X-ray diffraction (XRD). ...


Use of Carboxyl Functional Magnetite Nanoparticles as Potential Sorbents for the Removal of Heavy Metal Ions from Aqueous Solution

16-Jun-2015 | Ji Shi; Hanyang Li; Hongguang Lu; Xiaowei Zhao, Journal of Chemical & Engineering Data, 2015

In this work, carboxyl functionalized magnetite nanoparticles (CMNPs) are developed for the adsorption of Pb(II), Cd(II), and Cu(II). The characterization of CMNPs was performed by Fourier transform infrared spectroscopy, powder X-ray diffraction, and transmission electron microscopy. Studies ...


Comparison of the Pitzer and Hückel Equation Frameworks for Activity Coefficients, Osmotic Coefficients, and Apparent Molar Relative Enthalpies, Heat Capacities, and Volumes of Binary Aqueous Strong Electrolyte Solutions at 25 °C

16-Jun-2015 | Darren Rowland; Peter M. May, Journal of Chemical & Engineering Data, 2015

Detailed numerical analysis of literature data for five key thermodynamic properties (activity coefficients, osmotic coefficients, apparent molar relative enthalpies, heat capacities, and volumes) of well-characterized aqueous strong electrolyte solutions shows that equally good fits are ...


Solid–Liquid Stable Equilibrium of the Quaternary System NaCl–KCl–CaCl2–H2O at 303.15 K

26-May-2015 | Dongchan Li; Junsheng Yuan; Fei Li; Shenyu Li, Journal of Chemical & Engineering Data, 2015

The solubility and the physicochemical properties corresponding to densities and pH values in the solid−liquid system (NaCl–KCl–CaCl2–H2O) at 303.15 K have been studied with the method of isothermal dissolution equilibrium. The diagrams of dry-salt phase, water, and physicochemical properties ...


Density, Viscosity, Speed of Sound, and Refractive Index of a Ternary Solution of Aspirin, 1-Butyl-3-methylimidazolium Bromide, and Acetonitrile at Different Temperatures T = (288.15 to 318.15) K

26-May-2015 | Hemayat Shekaari; Mohammed Taghi Zafarani-Moattar; Seyyedeh Narjes Mirheydari, Journal of Chemical & Engineering Data, 2015

Solvation properties of aspirin in nonaqueous ionic liquid solutions are of importance in pharmaceutical point of view. The effect of an ionic liquid on the thermodynamic properties of this drug in acetonitrile solutions has been investigated. The thermophysical properties including densities, ...


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 ...


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