Micro chemical analysis employing flow through detectors

Details Micro chemical analysis employing flow through detectors Micro chemical analysis employing flow through detectors

1994-05-13

1995-08-22

Bovernick, Rodney B.

Optical waveguides

Optical fiber waveguide with cladding

Utilizing nonsolid core or cladding

385 12, 385 13, 25022725, G02B 620

Patent

active

054448077

ABSTRACT:
The chemical properties of a flowing liquid analyte, the analyte comprising a solvent having an index of refraction which is the same as or closely approaches that of water, are determined by liquid chromatography or capillary electrophoreses wherein the analyte is caused to flow through an optical waveguide. The waveguide is a rigid capillary having a refrctive index of less than 1.33. Measurement light is launched axially into the analyte by inserting an optical fiber, coupled to a light source, into one end of the waveguide.

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"Micropipette Adaptor for Spectrophotometers", Rev. Sci. Instrum. 61 (5), May 1990, H. R. Garner et al, pp. 1433-1435.

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