ChemInform Abstract: STUDY OF THE VAPORIZATION THERMODYNAMICS OF SOLID AND LIQUID CALCIUM IODIDE USING A NOVEL KNUDSEN EFFUSION TECHNIQUE

1978 ◽  
Vol 9 (25) ◽  
Author(s):  
T. PETZEL ◽  
J. KOHLE
Keyword(s):  
Knudsen Effusion ◽  
Liquid Calcium ◽  
Knudsen Effusion Technique

Thermodynamic stability of Cs2ZrO3 by Knudsen effusion technique

2001 ◽  
Vol 314 (1-2) ◽  
pp. 96-98 ◽  
Author(s):  
M Ali (Basu) ◽  
R Mishra ◽  
S.R Bharadwaj ◽  
A.S Kerkar ◽  
K.N.G Kaimal ◽  
...  
Keyword(s):  
Thermodynamic Stability ◽  
Knudsen Effusion ◽  
Knudsen Effusion Technique

Measuring low vapor pressures employing the Knudsen effusion technique and a magnetic suspension balance

2019 ◽  
Vol 90 (5) ◽  
pp. 055105 ◽  
Author(s):  
Ricarda Kendler ◽  
Frieder Dreisbach ◽  
Reza Seif ◽  
Stefan Pollak ◽  
Marcus Petermann
Keyword(s):  
Magnetic Suspension ◽  
Vapor Pressures ◽  
Knudsen Effusion ◽  
Magnetic Suspension Balance ◽  
Knudsen Effusion Technique

The Determination of Thermodynamic Properties of melts from the Cu-Si-System by Mass Spectrometry

1981 ◽  
Vol 36 (5) ◽  
pp. 447-453 ◽  
Author(s):  
G. Riekert ◽  
P. Lamparter ◽  
S. Steeb
Keyword(s):  
Mass Spectrometry ◽  
Thermodynamic Properties ◽  
Composition Range ◽  
Entire Composition Range ◽  
Knudsen Effusion ◽  
Gibbs Energies ◽  
Thermodynamic Activities ◽  
Excess Gibbs Energies ◽  
Knudsen Effusion Technique

Abstract The Knudsen effusion technique combined with mass spectrometry has been applied to determine thermodynamic activities and excess Gibbs energies for the liquid Cu-Si System. The system shows a tendency for segregation over the entire composition range. Special features in the partial and integral properties could be interpreted by means of two models.

ChemInform Abstract: Thermodynamic Stability of Cs2ZrO3 by Knudsen Effusion Technique.

ChemInform ◽  
2001 ◽  
Vol 32 (12) ◽  
pp. no-no
Author(s):  
A. Ali ◽  
R. Mishra ◽  
S. R. Bharadwaj ◽  
A. S. Kerkar ◽  
K. N. G. Kaimal ◽  
...  
Keyword(s):  
Thermodynamic Stability ◽  
Knudsen Effusion ◽  
Knudsen Effusion Technique

Explaining the magnetism of gold

2017 ◽  
Author(s):  
Robson de Farias
Keyword(s):  
Gas Phase ◽  
Computational Study ◽  
Formation Enthalpy ◽  
Gold Atom ◽  
Orbital Energy ◽  
Knudsen Effusion ◽  
Energy Diagram ◽  
Unpaired Electrons ◽  
The Difference ◽  
Good Agreement

<p>In the present work, a computational study is performed in order to clarify the possible magnetic nature of gold. For such purpose, gas phase Au<sub>2</sub> (zero charge) is modelled, in order to calculate its gas phase formation enthalpy. The calculated values were compared with the experimental value obtained by means of Knudsen effusion mass spectrometric studies [5]. Based on the obtained formation enthalpy values for Au<sub>2</sub>, the compound with two unpaired electrons is the most probable one. The calculated ionization energy of modelled Au<sub>2</sub> with two unpaired electrons is 8.94 eV and with zero unpaired electrons, 11.42 eV. The difference (11.42-8.94 = 2.48 eV = 239.29 kJmol<sup>-1</sup>), is in very good agreement with the experimental value of 226.2 ± 0.5 kJmol<sup>-1</sup> to the Au-Au bond<sup>7</sup>. So, as expected, in the specie with none unpaired electrons, the two 6s<sup>1</sup> (one of each gold atom) are paired, forming a chemical bond with bond order 1. On the other hand, in Au<sub>2</sub> with two unpaired electrons, the s-d hybridization prevails, because the relativistic contributions. A molecular orbital energy diagram for gas phase Au<sub>2</sub> is proposed, explaining its paramagnetism (and, by extension, the paramagnetism of gold clusters and nanoparticles).</p>

Study of thermal stability of n-type skutterudites Sr0.07Ba0.07Yb0.07Co4Sb12 by differential thermal analysis and Knudsen effusion method

Calphad ◽  
2021 ◽  
Vol 73 ◽  
pp. 102258
Author(s):  
František Zelenka ◽  
Jakub Strádal ◽  
Pavel Brož ◽  
Jan Vřešťál ◽  
Jiří Buršík ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Thermal Analysis ◽  
Differential Thermal Analysis ◽  
Knudsen Effusion ◽  
Knudsen Effusion Method ◽  
Effusion Method ◽  
Thermal Stability Of

A dynamic Knudsen-effusion-torsion balance

1974 ◽  
Vol 11 (1) ◽  
pp. 400-403 ◽  
Author(s):  
Jimmie G. Edwards
Keyword(s):  
Torsion Balance ◽  
Knudsen Effusion
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