Thermal Analysis of a Binary System with Distribution Coefficient Much Greater Than 1:2, 3 Dimethylnaphthalene/Anthracene

2008 ◽  
pp. 61-61-11 ◽  
Author(s):  
AR McGhie
Keyword(s):  
Thermal Analysis ◽  
Binary System ◽  
Distribution Coefficient

Revised phase diagram for the Nd–Pt system from 35 to 85 at% platinum

2010 ◽  
Vol 43 (1) ◽  
pp. 33-37 ◽  
Author(s):  
Ch. F. Xu ◽  
Z. F. Gu ◽  
G. Cheng ◽  
H. Y. Zhou ◽  
Z. M. Wang ◽  
...  
Keyword(s):  
Thermal Analysis ◽  
Phase Diagram ◽  
Differential Thermal Analysis ◽  
Binary System ◽  
Homogeneity Range ◽  
Low Temperatures ◽  
Polymorphic Transformation ◽  
Structure Type ◽  
X Ray Diffraction ◽  
X Ray

The phase diagram of the Nd–Pt system from 35 to 85 at%Pt has been revised using X-ray diffraction and differential thermal analysis. It is found that the Nd3Pt4phase with the rhombohedral Pd4Pu3structure type is unstable and decomposes into the two neighboring phases NdPt and NdPt2at temperatures ranging approximately from 583 to 1123 K. It is confirmed that the homogeneity range for the Laves phase NdPt2extends from about 68.5 to 75.3 at%Pt in the Nd–Pt binary system. The polymorphic transformation temperature of α-NdPt ⇌ β-NdPt is about 623 K, where the α-NdPt phase with BFe type is stable at low temperatures and the β-NdPt phase with BCr type at high temperatures.

scholarly journals Phase Diagram, Caesium-133 NMR Spectra and Electrical Conductivity of the Binary System Caesium and Zinc Butyrates

2000 ◽  
Vol 55 (11-12) ◽  
pp. 895-898
Author(s):  
T. A. Mirnaya ◽  
V. V. Trachevski ◽  
V. S. Dradrakh ◽  
D. V. Bylina
Keyword(s):  
Thermal Analysis ◽  
Phase Diagram ◽  
Electrical Conductivity ◽  
Differential Thermal Analysis ◽  
Binary System ◽  
Nmr Spectra ◽  
Composition Range ◽  
Specific Electrical Conductivity ◽  
Polarization Microscopy ◽  
Smectic Liquid Crystals

Abstract Phase equilibria of non-mesogenic caesium- and zinc-butyrate mixtures were studied by differential thermal analysis and hot stage polarization microscopy. Smectic liquid crystals were found in some composition range. Their appearance is explained by the latent mesomorphism of caesium butyrate. |133Cs NMR spectra and the specific electrical conductivity of the molten mixtures at 155°C were employed to investigate the peculiarities of ionic association and interaction in the melts.

scholarly journals Thermodynamic analysis of the Ga-Pb binary system

2003 ◽  
Vol 39 (3-4) ◽  
pp. 465-474 ◽  
Author(s):  
Dragan Manasijevic ◽  
Dragana Zivkovic ◽  
Zivan Zivkovic
Keyword(s):  
Thermal Analysis ◽  
Differential Thermal Analysis ◽  
Binary System ◽  
Binary Systems ◽  
Calculation Model ◽  
Phase Region ◽  
Miscibility Gap ◽  
Two Phase ◽  
Mixing Enthalpies

Thermodynamic properties of binary Ga-Pb alloys were investigated experimentally and analytically. Quantitative differential thermal analysis was used for determination of integral mixing enthalpies for the gallium-reach alloys, at the constant temperature inside the liquid two-phase region. Calculation of gallium activities in the temperature range of 800-1000 K was done using Chou?s calculation model developed for binary systems with miscibility gap existence.

THE PHASE DIAGRAM OF THE SYSTEM Na3AlF6–Na2SO4 AND THE DISSOCIATION OF THE CRYOLITE ANION IN MOLTEN SODIUM SULPHATE

1959 ◽  
Vol 37 (7) ◽  
pp. 1170-1175 ◽  
Author(s):  
Kai Grjotheim ◽  
Tor Halvorsen ◽  
Sigmund Urnes
Keyword(s):  
Thermal Analysis ◽  
Phase Diagram ◽  
Solid Solution ◽  
Binary System ◽  
Freezing Point ◽  
Eutectic Point ◽  
Sodium Sulphate ◽  
Freezing Point Depression ◽  
Molten Sodium

The binary system Na3AlF6–Na2SO4 has been investigated. A eutectic point was found at 91 mole % Na2SO4. On the Na3AlF6 side of the diagram extensive solid solution was found. No solid solution was observed on the Na2SO4 side, either by thermal analysis or by Debye–Scherrer diagrams. The freezing point depression of Na2SO4 caused by additions of Na3AlF6 has been used to evaluate the dissociation scheme of the cryolite anion in a sodium sulphate melt. The calculations favor the following scheme:AlF63− = AlF4− + 2F−.

High temperature 27Al NMR time resolved study. Application to the CaO-Al2O3 binary system

1995 ◽  
Vol 92 ◽  
pp. 1871-1876 ◽  
Author(s):  
B Touzo ◽  
D Trumeau ◽  
D Massiot ◽  
I Farnan ◽  
JP Coutures
Keyword(s):  
High Temperature ◽  
Binary System ◽  
27Al Nmr ◽  
Time Resolved ◽  
Study Application
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