Chromatographic analysis without calibration using dual detector

Details Chromatographic analysis without calibration using dual detector Chromatographic analysis without calibration using dual detector

1979-09-12

1981-03-10

Petrakes, John

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

2101982, 422 70, G01N 3108

Patent

active

042546567

ABSTRACT:
A quantitative analysis of the concentration of an eluted component, the dielectric constant of an eluted component and/or the refractive index of the eluted component is obtained using a chromatographic analyzer in combination with both a refractive index detector and a dielectric constant detector without the need to calibrate either the refractive index detector or the dielectric constant detector for each component in a sample. The dielectric constant detector and the refractive index detector are utilized to analyze a sample provided from a chromatographic analyzer. The concentration of the eluted component is a function of the magnitude of the output from each of the detectors. In like manner, the dielectric constant of the eluted component and the refractive index of the eluted component is a function of the output from the two detectors. The magnitude of the output from the two detectors is combined to give the concentration of an eluted component, the dielectric constant of the eluted component and the refractive index of the eluted component without the necessity of calibrating the detectors for each component in a sample.

REFERENCES:
patent: 3759816 (1973-09-01), Pretorius et al.
patent: 3997298 (1976-12-01), McLafferty et al.
patent: 4066405 (1978-01-01), Henkin

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