Testing a cuvette for cleanliness

Details Testing a cuvette for cleanliness Testing a cuvette for cleanliness

1977-05-13

1980-10-14

Scovronek, Joseph

Chemistry: physical processes

Physical processes

Crystallization

134 252, 134 18, 134 21, 134 22R, 134 81, 134113, 134152, 422 64, 356240, B08B 700, B08B 504, G01N 2902

Patent

active

042278864

ABSTRACT:
In testing for cleanliness a cuvette having translucent wall portions, the cuvette is preferably partially filled with pure water and then a beam of optical radiation is directed at a said wall portion, the intensity of radiation which has passed through the cuvette by direct transmission or by scattering is detected, and the state of cleanliness of the cuvette is determined from a comparison between the detected optical intensity and a criterion indicative of cuvette cleanliness.
The invention finds particular application to testing cuvettes for cleanliness which have been washed in a laundry of an automatic blood analysing machine.

REFERENCES:
patent: 2296027 (1942-09-01), Gettelman
patent: 3217877 (1965-11-01), Honjyo et al.
patent: 3364811 (1968-01-01), Baruch et al.
patent: 3417241 (1968-12-01), Davis
patent: 3421840 (1969-01-01), Pechmann
patent: 3528544 (1970-09-01), Noguchi et al.
patent: 3684452 (1972-08-01), Bessman
patent: 4066412 (1978-01-01), Johnson et al.

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