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1.104 Aktuelle Fachpublikationen zum Thema temperature

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Solubility of Nonionic Hydrocarbon Surfactants with Different Hydrophobic Tails in Supercritical CO2

24.07.2015 | Qingzhao Shi; Lishuai Jing; Chongqiao Xiong; Chenyu Liu; Weihong Qiao, Journal of Chemical & Engineering Data, 2015

The experiment utilizes a high-pressure view chamber that mainly aims at identifying the effect of surfactant architecture on solubility in CO2. First, when solubility pressures of three series of nonionic hydrocarbon surfactants are measured, results reveal that surfactants with a methylated ...

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Preparation and Cationic Dye Adsorption of Novel Fe3O4 Supermagnetic/Thiacalix[4]arene Tetrasulfonate Self-Doped/Polyaniline Nanocomposite: Kinetics, Isotherms, and Thermodynamic Study

22.07.2015 | Moslem Mansour Lakouraj; Rafieh-Sadat Norouzian; Soheila Balo, Journal of Chemical & Engineering Data, 2015

In this study, a novel magnetically separable nanoadsorbent, namely, Fe3O4@PAmABAmPD-TCAS consisting of a magnetite core and conductive terpolymer of aniline/m-aminobenzoicacid/m-phenilendiamine shell which was self-doped by protonic acid of thiacalixarene tetrasulfonate pendent groups has been ...

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Solubility of Amorphous Clopidogrel Hydrogen Sulfate in Different Pure Solvents

22.07.2015 | Yan Liu; Zhi-Peng Zhao; Jingbin Cui; Guobin Ren, Journal of Chemical & Engineering Data, 2015

At the temperature range (273.15 to 308.15) K, the solubility of amorphous clopidogrel hydrogen sulfate (CHS) in pure 1-butanol, 2-butanol, 2-propanol, methyl acetate, ethyl acetate, acetone, and methyl tert-butyl ether (MTBE) were experimentally measured. The order of solubility of amorphous CHS ...

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Measurement and Prediction of the Molar Heat Capacities of Liquid Polyoxyethylene Glycol Monoalkyl Ethers (CnEm)

21.07.2015 | Paweł Góralski; Mariola Tkaczyk, Journal of Chemical & Engineering Data, 2015

The saturation heat capacities of eleven polyoxyethylene glycol monoalkyl ethers (CnEm) were measured by the calorimetric (DSC) method. The measurements were performed within the temperature range of (275.15 to 339.15) K by means of Micro DSCIII (Setaram) calorimeter. Assuming that the molar heat ...

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Liquid–Liquid Equilibria of Water + Ethanol + 1-Butyl-3-methylimidazolium Bis(trifluoromethanesulfonyl)imide Ternary System: Measurements and Correlation at Different Temperatures

21.07.2015 | Amparo Cháfer; Javier de la Torre; Alicia Font; Estela Lladosa, Journal of Chemical & Engineering Data, 2015

In this work authors present the experimental liquid–liquid equilibria (LLE) data of water + ethanol + 1-butyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide ([bmim][Tf2N]) system at different temperatures. The LLE of the system was obtained in the temperature range from 283.2 to 323.2 K. ...

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Density and Viscosity of Partially Carbonated Aqueous Tertiary Alkanolamine Solutions at Temperatures between (298.15 and 353.15) K

10.07.2015 | Jiafei Zhang; Paul S. Fennell; J. P. Martin Trusler, Journal of Chemical & Engineering Data, 2015

The density and viscosity of partially carbonated aqueous solutions of either 2-dimethylaminoethanol or 2-diethylaminoethanol were measured over a temperature range of (298.15 to 353.15) K with alkanolamine mass fractions of 0.15 to 0.45. Correlations were developed to represent the density and ...

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Prediction and Experimental Measurement of Refractive Index in Ternary Hydrocarbon Mixtures

08.07.2015 | Mohammed Yahya; M. Ziad Saghir, Journal of Chemical & Engineering Data, 2015

The physical properties of hydrocarbon mixtures are of great importance in the field of science and technology. Knowing the refractive index of multicomponent liquid mixtures is essential in order to characterize these systems; however, there is a limited amount of experimental data regarding ...

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Thermodynamic Properties of trans-1-Chloro-3,3,3-trifluoropropene (R1233zd(E)): Vapor Pressure, (p, ρ, T) Behavior, and Speed of Sound Measurements, and Equation of State

08.07.2015 | María E. Mondéjar; Mark O. McLinden; Eric W. Lemmon, Journal of Chemical & Engineering Data, 2015

We present experimental measurements of the density, speed of sound, and vapor pressure of trans-1-chloro-3,3,3-trifluoropropene, which is also known as R1233zd(E). Densities were measured over the temperature range from (215 to 444) K, with pressures from (0.3 to 24.1) MPa. Sound speed data were ...

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Bubble-Point Measurements of n-Butane + n-Octane and n-Butane + n-Nonane Binary Mixtures

30.06.2015 | Elisabeth Mansfield; Stephanie L. Outcalt, Journal of Chemical & Engineering Data, 2015

Mixtures of small gaseous hydrocarbons with longer chain hydrocarbons are of interest to the natural gas industry as well as other industries in which separations are critical. In particular, binary mixtures of n-nonane are of interest, because n-nonane was recently incorporated into the ...

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Measurement and Correlation of the Solubility for 4,4′-Diaminodiphenylmethane in Different Solvents

29.06.2015 | Yijie Deng; Li Xu; Xiaobo Sun; Liang Cheng; Guoji Liu, Journal of Chemical & Engineering Data, 2015

In this experiment, the solubility data of 4,4′-diaminodiphenylmethane in different pure solvents, including methanol, ethanol, 2-propanol, 1-butanol, toluene, chloroform, and benzene, were measured by a synthetic method from (293.15 to 333.15) K at atmospheric pressure. It is indicated that the ...

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