Radiant energy – Methods including separation or nonradiant treatment of test...
Patent
1978-08-31
1980-01-01
Willis, Davis L.
Radiant energy
Methods including separation or nonradiant treatment of test...
23232C, 210 31C, 250461R, 422 69, G01N 2134
Patent
active
041818539
ABSTRACT:
In a liquid chromatography system, the effluent from the chromatographic column is passed through a detector flow cell, which is packed with a stationary phase that is adsorptive of the sample species to be detected. Detection of the sample species adsorbed at the stationary phase is effected by measuring fluorescence emitted from such species in response to electromagnetic radiation incident thereon at the flow cell. The fluorescing species, which are in equilibrium between the stationary phase and the mobile phase in the flow cell when fluorescence is being measured, can be detected at lower concentration thresholds than when the fluorescing species are in equilibrium only with the mobile phase.
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Abu-Shumays Ahmad
Johnson Edward L.
Cole Stanley Z.
Fisher Gerald M.
Morrissey John J.
Varian Associates Inc.
Willis Davis L.
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