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Thermodynamics of ammonium halogenated tellurides: III. Heat capacity, phase transitions, and thermodynamic properties of (NH4)2TeBr6at temperatures from 5 K to 350 K

✍ Scribed by Jane E. Callanan; Ron D. Weir; Edgar F. Westrum; Jr.

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
457 KB
Volume
27
Category
Article
ISSN
0021-9614

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✦ Synopsis

The heat capacity of ammonium hexabromotellurate (NH4)2TeBr6 was measured at temperatures from T = 5 K to T = 345 K by adiabatic calorimetry. Two l-shaped transitions were present, one at T = (193.25 2 0.05) K, with DtrsSΒ°m = (1.145 2 0.010)β€’R, and another at T = (212.2 2 0.2) K, with DtrsSΒ°m = (0.122 2 0.010)β€’R. Smoothed values of the standard thermodynamic quantities for pure (NH4)2TeBr6 are tabulated up to T = 350 K.

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