Subambient temperature controlled cell for infrared spectroscopi

Details Subambient temperature controlled cell for infrared spectroscopi Subambient temperature controlled cell for infrared spectroscopi

1995-06-16

1997-01-14

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

25033904, 25033907, 250343, G01N 2135, G01N 2101

Patent

active

055942490

ABSTRACT:
A system and a method are provided for analyzing a small sample in a test chamber using infrared spectrophotometry. The invention is particularly applicable to analyzing a liquid sample in a test chamber by subjecting the liquid sample to infrared spectrophotometry and analyzing the infrared spectra of the subjected liquid sample. An evaporator is provided to cool the sample to sub-zero temperatures by forcing a refrigerant through the evaporator to cool the sample prior to testing.

REFERENCES:
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patent: 4825076 (1989-04-01), Shields
patent: 4942134 (1990-07-01), Winefordner et al.
patent: 4982089 (1991-01-01), Johnson
patent: 5280177 (1994-01-01), Bruno
I. G. Voroshilov and B. S. Fantich, "Vessel for Investigating Infrared Spectra." Instruments and Experimental Techniques, Plenum Publishing Corporation (Dec. 1976) pp. 894-895. Translated from Pribory i Tekhnika Eksperimenta (USSR), vol. 19, No. 3, (May-Jun. 1976) pp. 247-248.

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