Method of analyzing chemical substances

Details Method of analyzing chemical substances Method of analyzing chemical substances

1983-11-10

1985-09-03

Marcus, Michael S.

Chemistry: analytical and immunological testing

Automated chemical analysis

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

356434, 356435, 422 64, 422 67, 436 43, 436164, G01N 3502

Patent

active

045392960

ABSTRACT:
In a method of analyzing chemical substances in sample liquids, reagent blank absorbances with respect to a light amount transmitted through air or water are measured previously at a plurality of photometering positions and are stored in a memory. Then sample absorbances are measured at respective photometering positions and the reagent blank absorbances are substrated from the sample absorbances at the respective photometering positions, so that a required absorbance variation of the sample liquid with respect to time is calculated from the sample absorbances thus corrected. Therefore, even if a calibration curve linearity is not perfectly identical with each other at the respective photometering positions, it is possible to obtain accurate analyzing results.

REFERENCES:
patent: 3464799 (1969-09-01), Kimbell
patent: 3975727 (1976-08-01), Mader et al.
patent: 4276051 (1981-06-01), Ginsberg et al.
patent: 4311394 (1982-01-01), Manabe
patent: 4338279 (1982-07-01), Orimo

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