Liquid particle analyzer and flow cell therefor

Details Liquid particle analyzer and flow cell therefor Liquid particle analyzer and flow cell therefor

1991-07-22

1992-12-22

McGraw, Vincent P.

Optics: measuring and testing

Sample, specimen, or standard holder or support

Fluid containers

356 72, G01N 1514

Patent

active

051737400

ABSTRACT:
A flow cell for a fluid particle analyzer comprises a narrow measuring liquid path, liquid introducing paths continuous to this measuring liquid path, liquid specimen nozzles disposed so that the front ends may be opposite to each other across the measuring liquid path, and sheath liquid inlets and waste liquid outlets disposed in the liquid introducing paths, respectively.
The particle analyzer is designed to emit light to the liquid specimen flowing as a sheath flow in the measuring liquid path in the flow cell and detect the light from the particles individually. Since two liquid specimen nozzles are disposed opposite to each other, measurements from the liquid specimen discharging from one of the liquid specimen nozzles can take place while preparation of the other liquid specimen takes place, so that the analysis processing time can be notably shortened.

REFERENCES:
patent: 4790653 (1988-12-01), North, Jr.

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