Chemistry: physical processes – Physical processes – Crystallization
Patent
1976-02-25
1978-02-14
Serwin, R. E.
Chemistry: physical processes
Physical processes
Crystallization
23255E, 23253TP, 346 33A, G01D 938, G01N 2130
Patent
active
040736210
ABSTRACT:
A reader recorder which will plot a concentration versus time graph based on stain intensity of a gas sensitive tape. Simultaneously, the device will integrate the area under the curve to obtain the total dosage for the period of time covered by the graph. By means of a common drive system for the recorder and the tape drive a meaningful relationship between displacement on the tape and position on the graph is obtained yielding information on the exact time of occurrence of events of interest.
REFERENCES:
patent: 2232622 (1941-02-01), Moses et al.
patent: 2551281 (1951-05-01), Moses et al.
patent: 2800397 (1957-07-01), Offutt et al.
patent: 2895807 (1959-07-01), Sorg et al.
patent: 3460153 (1969-08-01), White
"Monitor" Newsletter of MDA Scientific, Inc., Dec. 1974.
Bull Rame
Denenberg Byron A.
Popovic Djorde R.
MDA Scientific, Inc.
Serwin R. E.
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