Sample heater for non-destructively determining the composition

Details Sample heater for non-destructively determining the composition Sample heater for non-destructively determining the composition

1981-02-17

1983-05-31

Goldstein, Herbert

Thermal measuring and testing

Determination of inherent thermal property

G01N 2500

Patent

active

043858430

ABSTRACT:
A system for determining whether a bar of precious metal has a purity of composition which is within a given range of variance. Heat is induced in one end of the bar using an induction heater powered by a high frequency power source, and the time vs. temperature response at the other end of the bar is monitored.

REFERENCES:
patent: 1869336 (1932-07-01), De Forest
patent: 3020745 (1962-02-01), Sielicki
patent: 3222917 (1965-12-01), Roth
patent: 3761667 (1973-09-01), Walden
patent: 3981175 (1976-09-01), Hammond
patent: 4109508 (1978-08-01), Fukuyama
patent: 4163884 (1979-08-01), Kobetsky

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