Apparatus for counting and/or measuring particles suspended in a

Details Apparatus for counting and/or measuring particles suspended in a Apparatus for counting and/or measuring particles suspended in a

1976-05-05

1977-11-01

Corbin, John K.

Optics: measuring and testing

Sample, specimen, or standard holder or support

Fluid containers

250576, G01N 2100

Patent

active

040563243

ABSTRACT:
An apparatus for counting and/or measuring small particles suspended in a fluid medium, is provided with an improved flow cell in which the particle carrying fluid medium is fed into a flow channel through which also a particle free liquid is passed for narrowing and extending the flow of the suspension fluid within the channel which by its configuration including a section of continuously decreasing cross sectional area, allows a more precise measurement and avoids clogging of the suspension fluid inlet the diameter of which is not any longer a critical dimension.

REFERENCES:
patent: 3720470 (1973-03-01), Berkhan
patent: 3738759 (1973-06-01), Dittrich et al.
patent: 3893766 (1975-07-01), Hogg

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