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1.016 Aktuelle Fachpublikationen zum Thema temperature

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Interactions of Saccharides in Aqueous Glycine and Leucine Solutions at Different Temperatures of (293.15 to 313.15) K: A Viscometric Study

12.12.2014 | Kuldeep Kumar; Baljeet Singh Patial; Suvarcha Chauhan, Journal of Chemical & Engineering Data, 2014

The results of viscosity measurements of ribose, maltose, and raffinose at molalities ranging from (0.050 to 0.100) mol·kg–1 in aqueous solutions of glycine and leucine of (0.025, 0.050, and 0.100) mol·kg–1, respectively, over a wide temperature range of (293.15 to 313.15) K, have been reported. ...

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Effect of Hydrogen-to-Methane Concentration Ratio on the Phase Equilibria of Quaternary Hydrate Systems

12.12.2014 | M. Naveed Khan; Laura J. Rovetto; Cor J. Peters; E. Dendy Sloan; Amadeu K. Sum; Carolyn A. Koh, Journal of Chemical & Engineering Data, 2014

Clathrate hydrates of hydrogen are of specific interest due to their potential ability to store molecular hydrogen. In particular, structure H (sH) hydrate has a higher theoretical storage capacity in comparison with the other two more common hydrate structures (sI and sII). This paper ...

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Solubility, Metastable Zone Width, and Nucleation Kinetics of Sodium Dichromate Dihydrate

12.12.2014 | Liping Wang; Haitao Feng; Jiaoyu Peng; Naijin Dong; Wu Li; Yaping Dong, Journal of Chemical & Engineering Data, 2014

The experiment data on the solubility and metastable zone width (MSZW) of sodium dichromate dihydrate have been determined in the temperature range from (290.45 to 319.76) K using the conventional polythermal method by turbidity monitoring technique. Based on the solubility data, the dissolution ...

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

12.12.2014 | 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 ...

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New Experimental Data and Reference Models for the Viscosity and Density of Squalane

12.12.2014 | Kurt A. G. Schmidt; Doug Pagnutti; Meghan D. Curran; Anil Singh; J. P. Martin Trusler; Geoffrey C. Maitland; Mark Mc ..., Journal of Chemical & Engineering Data, 2014

Empirical models for the density and the viscosity of squalane (C30H62; 2,6,10,15,19,23-hexamethyltetracosane) have been developed based on an exhaustive review of the data available in the literature and new experimental density and viscosity measurements carried out as a part of this work. The ...

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Sublimation Enthalpies of 5-Haloderivatives of 1,3-Dimethyluracil

11.12.2014 | Bruno Brunetti; Simona Irrera; Gustavo Portalone, Journal of Chemical & Engineering Data, 2014

Vapor pressure of solid 1,3-dimethyluracil, 5-fluoro-1,3-dimethyluracil, 5-bromo-1,3-dimethyluracil, and 5-iodo-1,3-dimethyluracil were determined by Knudsen effusion method. The sublimation enthalpies and entropies at the average temperatures of the experimental ranges were calculated from the ...

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Viscosity of {xCH4 + (1 – x)C3H8} with x = 0.949 for Temperatures between (200 and 423) K and Pressures between (10 and 31) MPa

01.12.2014 | Paul L. Stanwix; Clayton R. Locke; Thomas J. Hughes; Michael L. Johns; Anthony R. H. Goodwin; Kenneth N. Marsh; Eric ..., Journal of Chemical & Engineering Data, 2014

The viscosity of {xCH4 + (1 – x)C3H8} with x = 0.949 was measured at temperatures between (200 and 423) K and pressures in the range (10 to 31) MPa using a vibrating-wire-viscometer with the wire clamped at both ends and operating in steady-state mode. Over these conditions the fluid mass ...

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Surface Tension Prediction of Ionic Liquid Binary Solutions

01.12.2014 | 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 ...

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Measurement and Thermodynamic Modeling Study on the Solid and Liquid Equilibrium of Ternary System NaBr–CaBr2–H2O at 288.15 K

26.11.2014 | Lingzong Meng; Dan Li; Tianlong Deng; Yafei Guo; Cunyun Ma; Youcai Zhu, Journal of Chemical & Engineering Data, 2014

The solubilities and refractive indices of the NaBr–CaBr2–H2O system at 288.15 K were determined using the isothermal equilibrium solution method. The phase diagram and refractive index diagram were drawn for this system at 288.15 K. The system belongs to the hydrate II type. The phase diagram is ...

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Isobaric Heat Capacity of Boric Acid Solution

25.11.2014 | Maogang He; Chao Su; Xiangyang Liu; Xuetao Qi, Journal of Chemical & Engineering Data, 2014

The isobaric heat capacities of boric acid solution are crucial for the design of boron recovery systems in nuclear power plants. In this work, the isobaric heat capacities of boric acid solution containing 0.648 mol/kg and 3.700 mol/kg 10B from T/K = (303.16 to 394.25) and up to 5.11 MPa are ...

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