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Volumetric Properties of Na2SO4–H2O and Na2SO4–NaCl–H2O Solutions to 523.15 K, 70 MPa

12-Mar-2015 | Denis Zezin; Thomas Driesner; Carmen Sanchez-Valle, Journal of Chemical & Engineering Data, 2015

The densities of aqueous solutions in the systems Na2SO4–H2O and Na2SO4–NaCl–H2O were determined experimentally at temperatures from (298.15 to 523.15) K and pressures up to 70 MPa, and over a wide range of salt concentrations (up to 5 mol·kg–1 of NaCl and up to 1.2 mol·kg–1 of Na2SO4). The ...


Phase Diagrams of the Na2SO4–MgSO4–(NH4)2SO4–H2O System at 60 °C and Their Application

04-Mar-2015 | Xue-Min Gong; Bin Zhao; Jia-Yong Zhang; Shuai-Yong Dou; Ji-Lin Cao, Journal of Chemical & Engineering Data, 2015

The solubilities of quaternary system Na2SO4–MgSO4–(NH4)2SO4–H2O at 60 °C were measured by the isothermal method, and the corresponding phase diagram was studied. The analysis of the phase diagram shows that there are five crystalline fields, MgSO4·6H2O, Na2SO4·MgSO4·4H2O, Na2SO4, (NH4)2SO4, and ...


Influence of Sodium Salts on the Micellization and Interfacial Behavior of Cationic Surfactant Dodecyltrimethylammonium Bromide in Aqueous Solution

23-Feb-2015 | Hossein Hooshyar; Rahmat Sadeghi, Journal of Chemical & Engineering Data, 2015

Micellar and surface properties of aqueous dodecyltrimethylammonium bromide (DTAB) solutions have been studied in the absence and presence of several sodium salts including NaCl, NaH2PO4, Na2HPO4, Na2CO3, Na2SO4, Na3PO4, and Na3Cit. The values of critical micelle concentration (cmc), degree of ...


Phase Equilibrium for the Ternary System KH2PO4 + NaH2PO4 + H2O at 303.15 K

17-Feb-2015 | Si Shen; Jian-hua Tang; Zhong-hua Liu; Li-quan Kang; Dun Mao, Journal of Chemical & Engineering Data, 2015

The phase equilibrium of the ternary system (KH2PO4+ NaH2PO4 + H2O) at 303.15 K was investigated by a combination of the isothermal solution saturation method and the moist residues method. The solid phase formed in the equilibrium state was verified by X-ray diffraction (XRD). A phase diagram ...


Thermodynamic Data for the Modeling of Lanthanoid(III) Sequestration by Reduced Glutathione in Aqueous Solution

26-Dec-2014 | Rosalia Maria Cigala; Concetta De Stefano; Anna Irto; Demetrio Milea; Silvio Sammartano, Journal of Chemical & Engineering Data, 2014

This contribution reports the results of an investigation on the speciation of various lanthanoid(III) cations (Ln3+), namely, La3+, Nd3+, Sm3+, Eu3+, Gd3+, Dy3+, and Yb3+, in the presence of reduced glutathione (or simply glutathione, GSH), in NaCl(aq) at I = 0.15 mol·dm–3 and T = 298.15 K. GSH ...


Preparation of a Novel Supported Selenium Nanoparticles Adsorbent and Its Application for Copper Removal from Aqueous Solution

16-Dec-2014 | Lingyan Huang; Xing Tong; Yunzhi Li; Jiuwei Teng; Yan Bai, Journal of Chemical & Engineering Data, 2014

A novel supported nanoadsorbent (nanoSe0-supported/cotton) was prepared by loading selenium nanoparticles with sucrose on absorbent cotton. The feasibility of using nanoSe0-supported/cotton to remove Cu from aqueous solution has been confirmed in batch and continuous systems. Effective ...


Solubilities of Carbon Dioxide in Five Biobased Solvents

15-Dec-2014 | Dongshun Deng; Guoqiang Han; Yaotai Jiang; Ning Ai, Journal of Chemical & Engineering Data, 2014

Solubilities of CO2 in five biobased solvents (BBSs) were measured at temperatures ranging from 283.15 K to 323.15 K with 10 K intervals under a pressure of 0 kPa to 600.0 kPa using an isochoric saturation method. The BBSs include dibutyl succinate (DBS), gamma-valerolactone (GVL), furfuryl ...


Viscosity and Density of Aqueous Solutions of Carbon Dioxide at Temperatures from (274 to 449) K and at Pressures up to 100 MPa

12-Dec-2014 | Mark McBride-Wright; Geoffrey C. Maitland; J. P. Martin Trusler, Journal of Chemical & Engineering Data, 2014

The viscosity and density of aqueous solutions of carbon dioxide having mole fractions of CO2 of 0.0086, 0.0168, and 0.0271 are reported. The measurements were made in the single-phase compressed liquid region at temperatures between (294 and 449) K at pressures up to 100 MPa; additional density ...


Surface Tension Prediction of Ionic Liquid Binary Solutions

01-Dec-2014 | Ensieh Ghasemian Lemraski; Zohre Pouyanfar, Journal of Chemical & Engineering Data, 2014

An ionic liquid is a salt in which the ions are poorly coordinated, which results in these solvents being liquid below 100 °C, or even at room temperature. At least one ion has a delocalized charge, and one component is organic, which prevents the formation of a stable crystal lattice. In the ...


Stable Phase Equilibrium of Aqueous Quaternary System Li+, K+, Mg2+//Borate–H2O at 348 K

01-Dec-2014 | Qi Tan; Ying Zeng; Pengtao Mu; Xudong Yu; Yujuan Zhang, Journal of Chemical & Engineering Data, 2014

The solubility values and physicochemical properties such as densities, refractive indices, and pH values of the equilibrium solution in the quaternary system Li+, K+, Mg2+//borate–H2O at 348 K were measured by isothermal dissolution method. The phase diagram, water content diagram, and the ...


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