Testing a cuvette for cleanliness

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 scat...

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Bibliographische Detailangaben
Hauptverfasser:	BUNCE, ROGER A, BULLOCK, DAVID G, CLARK, IAN R, WILDING, PETER, LLOYD, PETER H, WHITEHEAD, THOMAS P, DUFF, IAN D, GREAVES, GEOFFREY S, PETERS, ANN M
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE CLEANING CLEANING IN GENERAL INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS PREVENTION OF FOULING IN GENERAL TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	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.