Differential thermal analysis cell

Details Differential thermal analysis cell Differential thermal analysis cell

1977-02-25

1978-06-20

Goldstein, Herbert

Measuring and testing

Gas content of a liquid or a solid

By vibration

G01K 1700

Patent

active

040954536

ABSTRACT:
A heat flow type differential calorimeter uses a planar thermoelectric disc as its major heat flow path for transferring heat to the sample and reference capsules. To improve the reproducibility of the calorimeter, two small discs of a thermoelectric material capable of forming a thermocouple with the thermoelectric disc are attached thereto in face-to-face relationship. Next a thermocouple pair made of the same material as the small disc and a third material, capable of forming a thermocouple with the disc, is attached to the center of each of the small discs. This converts the usual point contact temperature sensor to a large surface area temperature sensor and hence improves the reproducibility of the thermal analyzer.

REFERENCES:
patent: 3285053 (1966-11-01), Mazieres
patent: 3524340 (1970-08-01), Kocherzhinsky et al.
patent: 3545253 (1970-12-01), Iwata et al.
patent: 3554002 (1971-01-01), Harden et al.

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