Process and equipment for the thermal analysis of materials

Details Process and equipment for the thermal analysis of materials Process and equipment for the thermal analysis of materials

1979-11-05

1981-12-08

Goldstein, Herbert

Measuring and testing

Gas content of a liquid or a solid

By vibration

G01K 1704

Patent

active

043041183

ABSTRACT:
A method and an apparatus for the differential thermal analysis of materials includes heating a first sample to be investigated and a reference sample by radiation heat transfer from respective separated radiation sources, controlling both sources according to a predetermined temperature program for the samples, interposing an element that partly transmits radiation between each of the samples and their associated sources, sensing the temperature difference between the elements, controlling one of the radiation sources in response to the temperature difference to equalize the temperature of the elements and measuring the temperature difference between the samples during the temperature program.

REFERENCES:
patent: 3055206 (1962-09-01), Watson et al.
patent: 3172493 (1965-03-01), Van Koch et al.
patent: 3263484 (1966-08-01), Watson et al.
patent: 3271996 (1966-09-01), Paulik et al.
patent: 3477274 (1969-11-01), Wald et al.
patent: 3527081 (1970-09-01), Hill
Hogan et al., "Apparatus for Observing Physical Changes at Elevated Temperatures", in Analytical Chemistry, vol. 32#4, 4/60, pp. 573, 574.
Hill et al., "Infrared Heating Applied to D.T.A.", in Analytical Chemistry vol. 31#8, 8/59, pp. 1443, 1444.

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