Micro chemical analysis employing flow through detectors
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United States of America Patent
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Aug 22, 1995
Issued Date -
N/A
app pub date -
May 13, 1994
filing date -
Mar 29, 1993
priority date (Note) -
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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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