Optical absorption cell with magnetic stirring

Details Optical absorption cell with magnetic stirring Optical absorption cell with magnetic stirring

1975-10-01

1976-09-21

Corbin, John K.

Optics: measuring and testing

Sample, specimen, or standard holder or support

Fluid containers

250576, 356197, 356201, G01N 100

Patent

active

039815943

ABSTRACT:
An optical absorption cell enabling improved magnetic stirring of the cell contents. The cell includes an oblong container for fluidic samples to be subjected to optical absorption analysis. A magnetic stirrer body is provided at the bottom of the container, which body is rotatable in response to an externally applied rotating magnetic field to effect agitation of the sample. Partitioning means are mounted in the container in non-interfering relationship to the light projection path through the container. The partitioning means cooperate with the stirrer body to define an upward flow path adjacent to the walls of the container, and a downward flow path toward the interior of the container. The partitioning means extend at least to a level in the sample above the light path, whereby relatively complete agitation of the fluid sample is effected, including agitation within portions of the sample body residing within the projected light path.

REFERENCES:
patent: 3526462 (1970-09-01), McCurdy et al.
patent: 3545864 (1970-12-01), Dibbern

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