Photometer head for small test volumes

Details Photometer head for small test volumes Photometer head for small test volumes

1984-12-06

1987-02-17

McGraw, Vincent P.

Optics: measuring and testing

For light transmission or absorption

Of fluent material

250576, 356246, G01N 2103

Patent

active

046435808

ABSTRACT:
A photometer head having a housing for receiving and supporting small test volumes. The housing includes a recess and a plate for substantially covering the recess. A light transmitter and a light receiver having first and second end surfaces are mounted within the housing and project into the recess at locations substantially opposite one another to define a gap between the first and second end surfaces for retaining the small test volumes. A liquid applicator extends through an aperture in the housing to dispense droplets of liquid test volumes into the gap. The light transmitter directs optical energy at the droplets and the light receiver receives the transmitted energy.

REFERENCES:
patent: 3918817 (1975-11-01), Posgate
patent: 4054390 (1977-10-01), Rabl
patent: 4176953 (1979-12-01), Bartoov et al.
patent: 4213764 (1980-07-01), O'Connor
patent: 4222670 (1980-09-01), Koshiishi
patent: 4305723 (1981-12-01), Kolber et al.
patent: 4412973 (1983-11-01), Guigan
patent: 4540280 (1985-09-01), Anderson et al.

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