Apparatus for automatically measuring changing values of absorba

Details Apparatus for automatically measuring changing values of absorba Apparatus for automatically measuring changing values of absorba

1980-03-03

1982-03-09

Corbin, John K.

Optics: measuring and testing

For light transmission or absorption

By comparison

G01N 2101

Patent

active

043186181

ABSTRACT:
Apparatus for automatically measuring changing values of absorbance comprise a circular, absorption cell conveying system on which are disposed in order a multitude of absorption cells with samples injected therein, an optical measurement system disposed so that a measuring zone is positioned therewithin, said measuring zone is disposed in a predetermined position of said absorption cell conveying system, a measurement conversion system for encoding a measured value signal output from said optical measurement system with respect to each said absorption cell conducted successively into said measuring zone, a reference conversion system for encoding a reference value signal output from said optical measurement system, a synchronizing command system for generating a synchronizing signal upon sensing of the arrival of each said absorption cell at said measuring zone, and an arithmetic recording system including a microcomputer for inputting in parallel the output signals respectively from said measurement conversion system, reference conversion system and synchronizing command system and calculating a value of change in absorbance of each said absorption cell.

REFERENCES:
patent: 2939361 (1960-07-01), Hock
patent: 3609047 (1971-09-01), Marlow
patent: 3838925 (1974-10-01), Marks
patent: 3982838 (1976-09-01), Thacker
patent: 4208129 (1980-06-01), Spencer
patent: 4234538 (1980-11-01), Ginsberg et al.
patent: 4240753 (1980-12-01), Bruck

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