Apparatus for thermoanalytical investigations

Details Apparatus for thermoanalytical investigations Apparatus for thermoanalytical investigations

1975-05-12

1977-06-28

Goldstein, Herbert

Measuring and testing

Gas content of a liquid or a solid

By vibration

G01K 1700

Patent

active

040317404

ABSTRACT:
A method of, and apparatus for, carrying out thermoanalytical investigations at low temperatures, wherein an article to be investigated is placed in a heating chamber in a furnace and there is ascertained the temperature of the article or a measurement parameter that characterizes the temperature of the article. The temperature in the furnace chamber is brought to a predetermined value by a heating control circuit and a cooling medium is taken from a tank under substantially constant pressure to control the temperature in the furnace chamber. The throughflow of cooling medium is quantitatively controlled to produce a predetermined temperature difference between the furnace chamber and the cooling medium.

REFERENCES:
patent: 3165146 (1965-01-01), Smith et al.
patent: 3339398 (1967-09-01), Barrall et al.
patent: 3456490 (1969-07-01), Stone
patent: 3491582 (1970-01-01), Kleiss
patent: 3572084 (1971-03-01), May
patent: 3680630 (1972-08-01), Watts
B480,350, Feb. 1976, Regenass et al., 73/190.
Vussallo et al. "Precise Phase Transition of Organic Materials by D.T.A." in Analytical Chemistry vol. 34, 1/62 pp. 132-135.

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