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A linear variation of the thermal expansivity with the isothermal compressibility for ammonia solid III near the melting point
Date
2010-01-01
Author
Yurtseven, Hasan Hamit
Caglar, Oender
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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The thermal expansivity alpha (p) is related to isothermal compressibility kappa (T) at various pressures for constant temperatures of 254.6, 274 and 297.5 K close to the melting pressure in ammonia solid III. By analyzing the experimental data for kappa (T) according to a power-law formula, a linear variation of alpha (p) with the kappa (T) is established here close to the solid-liquid transition in ammonia. Anomalous behavior of thermal expansivity alpha (p) and the isothermal compressibility kappa (T) near the melting pressure is indicative of the lambda-type transition in ammonia solid III.
Subject Keywords
Ammonia Solid III
,
Thermal Expansivity
,
Isothermal Compressibility
,
Melting Point
URI
https://hdl.handle.net/11511/40850
Journal
KOREAN JOURNAL OF CHEMICAL ENGINEERING
DOI
https://doi.org/10.2478/s11814-009-0335-z
Collections
Department of Physics, Article