Title: Low Temperature Heat Capacity of PuPO4
Authors: THIRIET CatherineKONINGS RUDYWASTIN FRANCK
Citation: JOURNAL OF NUCLEAR MATERIALS vol. 344 p. 56-60
Publisher: Elsevier B.V.
Publication Year: 2005
JRC N°: JRC30488
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC30488
Type: Articles in periodicals and books
Abstract: PuPO4 was prepared successfully by coprecipitation and its heat capacity measured between 5 K and 300 K by a hybrid adiabatic relaxation calorimeter. The standard entropy S0 (298.15 K) of PuPO4 was derived and a semiempirical method was used to describe the total entropy as the sum of the lattice entropy Slat and the excess entropy Sexs as verified for the iso-electronic lanthanide orthophosphates. Thus the standard entropies of some actinide (III) orthophosphates were estimated.
JRC Directorate:Nuclear Safety and Security

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