Automatic chemical analyzer

Details Automatic chemical analyzer Automatic chemical analyzer

1989-06-22

1990-07-03

Marcus, Michael S.

Chemistry: analytical and immunological testing

Automated chemical analysis

With conveyance of sample along a test line in a container...

422 64, 422 67, G01N 2113, G01N 3502

Patent

active

049390953

ABSTRACT:
An automatic chemical analyzer has a compensation coefficient calculating section and a light-path-length-based compensating section. The calculating section obtains the ratio of the absorbancies measured of reaction cells filled with a sample of the known absorbancy to the absorbancy measured of each cell, thereby calculating compensation coefficients for the respective cells. The compensating section multiplies the absorbancies measured of the cells refilled with samples of different unknown absorbancies by the compensation coefficients calculated by the calculating section, thereby compensating the absorbancies for the light path lengths of the cells. The compensated absorbancies, i.e., the absorbancies of the samples, are used in analyzing the samples.

REFERENCES:
patent: 4276051 (1981-06-01), Ginsberg et al.
patent: 4313735 (1982-02-01), Yamashita et al.
patent: 4536369 (1985-08-01), Sakurada et al.
patent: 4539296 (1985-09-01), Manabe
patent: 4629703 (1986-12-01), Offenheimer

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