Combination absorbance fluorescence aspirating thermal cuvette

Details Combination absorbance fluorescence aspirating thermal cuvette Combination absorbance fluorescence aspirating thermal cuvette

1982-05-17

1984-04-03

Sikes, William L.

Optics: measuring and testing

Sample, specimen, or standard holder or support

Fluid containers

356318, G01N 110

Patent

active

044404972

ABSTRACT:
A flow cell is described comprising a solid liquid tight body having axial and radial optical paths. Absorbance and fluoroescence characteristics of a fluid sample in the cell may be measured simultaneously using the same exitation source. Means is provided for suppressing bubble formation and turbulance. Flow cell temperature is controlled using a solid state heat pump.

REFERENCES:
patent: 3515491 (1966-10-01), Emary
patent: 3646313 (1970-04-01), Gorgone-Emary
patent: 4088407 (1978-05-01), Schoeffel et al.
Ashby et al., "A Variable Temperature Infra-Red Gas Cell Using Semiconductor Heat Pumps," J. Sci. Instru., vol. 42, No. 5, pp. 326-327, May 1965.
Giggenbach, "A Simple Spectrophotometric Cell for Use with Aqueous Solutions up to 280.degree. C.," J. Phys. E., vol. 4, No. 2, pp. 148-149.

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