Thermal measuring and testing – Calorimetry – With control of heat added to or lost from a sample container
Patent
1984-11-01
1986-11-18
Frankfort, Charles
Thermal measuring and testing
Calorimetry
With control of heat added to or lost from a sample container
374 31, 374 12, 374 25, 73 38, G01N 2520, G01N 1508
Patent
active
046232630
ABSTRACT:
An apparatus for the thermal measurement of the texture of a porous body, including a measuring head, a measuring assembly and a processing and control circuit. The measuring head is provided with two identical cylindrical cells, a measuring cell and a reference cell, arranged in a furnace. The measuring assembly measures the mean temperature of the measuring cell, and measures a calorific effect in the measuring cell, and includes a calorific effect detector, a calibration circuit, a temperature regulator including a furnace heater. The measuring circuit supplies a temperature signal and a calorific effect signal to the processing and control circuit, which in turn controls the heater.
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Brun et al, "A New Method for the Simultaneous Determination of the Size and the Shape of Pores: the Thermoporometry", Thermochimica Acta, 21, 1977, pp. 59-88.
Barberi Paul
Bergez Pierre
Brun Maurice
Chevalier Michel
Eyraud Charles
Centre Nationale de la Recherche Scientifique
Commissariat a l''Energie Atomique
Frankfort Charles
Will Thomas B.
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