摘要:

A relatively simple expression is developed for predicting the solubility of an inert crystalline solute in binary alcohol + alcohol solvent mixtures based upon the Kretschmer-Wiebe association model. The predictive accuracy of the newly-derived expression is compared to equation(s) derived previously from Mobile Order theory. Computations show that both models accurately describe the solubility behavior of pyrene in the 24 binary solvent systems studied. Average absolute deviations between observed and predicted values were 2.0% and 2.2% for the Kretschmer-Wiebe and Mobile Order predictive equations, respectively.

ISSN:0031-9104    

DOI:10.1080/00319109608030708

出版商:Taylor & Francis Group    

年代:1996

数据来源: Taylor

摘要:

The dynamical properties of binary liquid mixtures are investigated within a viscoelastic model using the memory function approach. Extending the viscoelastic model to the binary case we find that the dynamical properties of the liquid mixture are characterized by four propagating and two diffusive modes. We show that the character of the two propagating modes depends strongly on the relative concentration of the light and heavy atoms, in close analogy to the vibrational eigenmodes in substitutionally disordered crystalline and glassy mixtures. The relation of these two eigenmodes to the “fast sound” phenomenon observed in mixtures with strongly different masses is discussed.

ISSN:0031-9104    

DOI:10.1080/00319109608030709

出版商:Taylor & Francis Group    

年代:1996

数据来源: Taylor

摘要:

The enthalpy of formation, hf, of the Pd-Pb alloys was measured by direct reaction calorimetry (drop method) at 840 K and 1344K. At 840 K the results are in good agreeement with those obtained previously between 922 and 1154K (no temperature dependence). At 1344K, they confirm that the enthalpy of formation of the liquid phase increases with increasing temperature above 1154 K (as previously observed at 1240 K). The crystallization of Pd3Pb was observed and we can deduce its enthalpy of formation.

ISSN:0031-9104    

DOI:10.1080/00319109608030710

出版商:Taylor & Francis Group    

年代:1996

数据来源: Taylor

摘要:

The short range order of liquid Ni-In, Fe-Ge and Bi-Te alloys has been investigated by means of X-ray diffraction method. Compositions of melts fall in the range of intermediate phases that exist near chemical compounds Ni2In, Fe2Ge, FeGe3and Bi2Te3. The structure factors obtained and the calculated radial distribution functions show that tendency to interaction of unlike atoms is major in the atomic arrangement and as a result short order exists within a wide concentration range.

ISSN:0031-9104    

DOI:10.1080/00319109608030711

出版商:Taylor & Francis Group    

年代:1996

数据来源: Taylor

摘要:

Densities and kinematic viscosity data for the ternary system NiSO4-H2SO4-H2O were determined over a wide range of concentrations (0.93-1.36 mols. dm−3) and temperatures (20°C to 60°C). The results were fitted to polynomials.

ISSN:0031-9104    

DOI:10.1080/00319109608030712

出版商:Taylor & Francis Group    

年代:1996

数据来源: Taylor

摘要:

Ultrasonic sound velocities for the binary liquid mixtures of tetrachloroethylene with branched alcohols are measured at 303.15 K. The branched alcohols include 2-propanol, 2-methyl-1-propanol, 3-methyl-1-butnaoi, 2-butanol and 2-methyl-2-propanol. Further, isentropic compressibilities (Ks) and deviation in isentropic compressibilities (ΔKs) have been computed from the sound velocity and density data. An inversion in the sign of ΔKsfrom negative to positive was observed in all the binary mixtures formed by tetrachloroethylene with branched alcohols at 303.15 K. The ultrasonic sound velocities of these mixtures have been analyzed in terms of Free length theory (FLT). Collision factor theory (CFT) and Nomoto relation.

ISSN:0031-9104    

DOI:10.1080/00319109608030713

出版商:Taylor & Francis Group    

年代:1996

数据来源: Taylor

摘要:

This is a scanned image of the original Editorial Board page(s) for this issue.

ISSN:0031-9104    

DOI:10.1080/00319109608030707

出版商:Taylor & Francis Group    

年代:1996

数据来源: Taylor