Automatic volatility computer

Details Automatic volatility computer Automatic volatility computer

1979-04-13

1984-07-03

Ruehl, Charles A.

Thermal measuring and testing

Thermal gravimetric analysis

73 76, G01N 504, G01N 2204, G01N 2556

Patent

active

044576323

ABSTRACT:
An automatic volatility computer and a method for automatically determining weight changes in substances containing a volatile material. In particular, an apparatus which automatically determines the percentage of volatiles in a substance which contains unknown quantities of polar volatiles such as water or moisture, solvents, plasticizers and the like. The apparatus provides rapid automatic analysis without operator assistance other than the placing of the sample on the automatic balance. The particular improvement in the present invention relates to the ability of the apparatus to project final dry weight without completely drying the test sample utilizing a short heat induction period. This improvement greatly reduces the heat time required and avoids overdrying of the test sample.

REFERENCES:
patent: 3813918 (1974-06-01), Moe
patent: 3916670 (1975-11-01), Davis et al.
patent: 4106329 (1978-08-01), Takahashi et al.

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