Apparatus and method for performing photometric analysis

Details Apparatus and method for performing photometric analysis Apparatus and method for performing photometric analysis

1968-08-16

1978-01-03

Serwin, R.E.

Optics: measuring and testing

Refraction testing

Prism engaging specimen

23253R, 23230B, 356201, 356246, G01N 3316, G01N 2124

Patent

active

040663620

ABSTRACT:
An apparatus and method for photometrically analyzing a fluid in which the fluid is deposited in a deformable container, the container is squeezed between two windows to form a sample cell with a precise cell length, and then the optical density of the fluid in the container is measured with a photometer. The cell forming means is designed such that the majority of the fluid in the deformable container is forced into the sample cell so that the dimensions of the sample cell can be maximized for the small amount of fluid contained in the container. A means for coating the interfaces between the sample cell and the windows may also be provided so that changes in reflection from the surface of the deformable container due to imperfections in that surface are minimized.

REFERENCES:
patent: 2442462 (1948-06-01), Kirschbaum
patent: 2706927 (1955-04-01), Wood
patent: 3152587 (1964-10-01), Ullrich et al.
patent: 3286583 (1966-11-01), Ferrari
patent: 3415997 (1968-12-01), Vinzelberg et al.

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