Optics: measuring and testing – With plural diverse test or art
Patent
1995-05-04
1997-12-09
Font, Frank G.
Optics: measuring and testing
With plural diverse test or art
356128, 356440, G01N 2100, G01N 2141
Patent
active
056965800
ABSTRACT:
A measuring beam is incident upon a triangular cell storing a liquid sample, and transmitted light thereof is received by a linear sensor so that both transmitted light intensity and a position of the beam are detected. A refractive index calculating part calculates refractive indices from the position detected by the linear sensor, while an absorbance calculating part calculates absorbance values dependent on component concentration values correcting influence by transmittance change at the triangular cell through the transmitted light intensity values and the refractive indices of the sample calculated at the refractive index calculating part. A component concentration calculating part performs a multivariate analytical operation on the basis of the absorbance values dependent on the component concentration values at a plurality of measuring wavelengths calculated at the absorbance calculating part.
REFERENCES:
patent: 4381895 (1983-05-01), Hughes et al.
patent: 4730921 (1988-03-01), Klein et al.
patent: 4834104 (1989-05-01), Kreinick et al.
patent: 5141310 (1992-08-01), Boiarski
patent: 5602647 (1997-02-01), Xu et al.
Kexin Xu
Kubo Hiroko
Uenoyama Harumi
Eisenberg Jason D. Vierra
Font Frank G.
Kyoto Dai-Ichi Kagaku Co., Ltd.
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