Pressure perturbation calorimetry instruments and methods

Details Pressure perturbation calorimetry instruments and methods Pressure perturbation calorimetry instruments and methods

2005-03-22

2005-03-22

Fulton, Christopher W. (Department: 2859)

Thermal measuring and testing

Calorimetry

C374S010000, C374S033000, C374S011000

Reexamination Certificate

active

06869214

ABSTRACT:
A calorimeter that includes a sample cell, a reference cell, a pressure system that applies a variable pressure to the sample cell, and a pressure controller that controls the pressure applied by the pressure system to the sample cell. By applying identical pressure perturbations to both the sample and reference cells over a range of temperatures, the calorimeter can be used to accurately calculate both the thermal coefficient of expansion of various substances, and the volume change of molecules undergoing a structural transition.

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