Heat of interaction detector

Details Heat of interaction detector Heat of interaction detector

1972-05-09

1976-07-06

Goldstein, Herbert

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

23230R, 23253R, 73190R, G01K 1700, G01N 3106

Patent

active

039674924

ABSTRACT:
To reduce the sensitivity of a heat of adsorption detector to changes in the flow rate of the carrier solvent upon a reference thermistor and a measuring thermistor, the flow of heat is adjusted to balance the flow-rate-dependent temperature increases against the flow-rate-dependent temperature decreases that occur with the same change in flow rate. Some of the techniques for adjusting the flow of heat are: (1) controlling the temperature of the solvent at the inlet of the heat of adsorption detector with one heat exchanger and the temperature of the body of the heat of adsorption detector with another heat exchanger; (2) controlling the temperature of the walls of the heat of adsorption detector with a heating coil; and (3) controlling the heat emitted by the thermistors.

REFERENCES:
patent: 3138948 (1964-06-01), Pfefferle
patent: 3467501 (1969-09-01), Groszek
patent: 3473382 (1969-10-01), Tabeling
patent: 3476517 (1969-11-01), Smith
patent: 3535918 (1970-10-01), Munk
patent: 3578405 (1971-05-01), Woodle
patent: 3726644 (1973-04-01), Desnoyers et al.
Andersen, "Polymerization Rates by Calorimetry" in Journal of Polymer Science, A-1, vol. 7, 1969.

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