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Digitale Medien

Solubilities, Vapor Pressures, and Heat Capacities of the Water + Lithium Bromide + Lithium Nitrate + Lithium Iodide + Lithium Chloride System (1999)

Koo, K.-K. ; Lee, H.-R. ; Jeong, S. ; [weitere]

Springer

International journal of thermophysics 20 (1999), S. 589-600

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ISSN: 1572-9567

Schlagwort(e): absorption chiller ; heat capacity ; lithium bromide ; lithium chloride ; lithium iodide ; lithium nitrate ; solubility ; vapor pressure

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract The optimum mole ratio of lithium salts in the H2O + LiBr + LiNO3 + LiI + LiCl system was experimentally determined to be LiBr : LiNO3 : LiI : LiCl = 5 : 1 : 1 : 2. The solubilities were measured at temperatures from 252.02 to 336.75 K. Regression equations on the solubility data were obtained with a least-squares method. Average absolute deviations of the calculated values from the experimental data were 0.15% at temperatures 〈285.18 K and 0.05% at temperatures ≥285.18 K. The vapor pressures were measured at concentrations ranging from 50.0 to 70.0 mass% and at temperatures from 330.13 to 434.88 K. The experimental data were correlated with an Antoine-type equation, and the average absolute deviation of the calculated values from the experimental data was 2.25%. The heat capacities were measured at concentrations from 50.0 to 65.0 mass% and temperatures from 298.15 to 328.15 K. The average absolute deviation of the values calculated by the regression equation from the experimental data was 0.24%.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1023/A:1022661222237

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Digitale Medien

Nanoparticle synthesis of titanium silicalite for fiber, film, and monolith formation (1997)

Jung, K. T. ; Hyun, J. H. ; Shul, Y. G. ; [weitere]

Hoboken, NJ : Wiley-Blackwell

AIChE Journal 43 (1997), S. 2802-2808

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Details

ISSN: 0001-1541

Schlagwort(e): Chemistry ; Chemical Engineering

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: Zeolite fiber, film, and monolith were prepared by using nanosize titanium silicalite (TS-1) crystals. Films and fibers of TS-1 zeolite were optically transparent, which might be important for advanced optozeolitic materials. A permeation result of gases on monolith indicates that the gas permeation is governed by the Knudsen mechanism. All types of TS-1 zeolites manufactured in this work are observed to be MFI structure with an orthorhombic symmetry. These results suggest that nanosize zeolites have potential to allow morphological design with applications for advanced functional materials.

Zusätzliches Material: 9 Ill.