Optics: measuring and testing – Sample – specimen – or standard holder or support – Fluid containers
Patent
1981-01-29
1983-02-22
Corbin, John K.
Optics: measuring and testing
Sample, specimen, or standard holder or support
Fluid containers
G01N 110
Patent
active
043746209
ABSTRACT:
A photometric flow cell for high pressure liquid chromatography having an illuminated passageway therein between open ends of which fluid samples are flowed for analysis. An annular, porous flow impedance element is supported in an annular channel surrounding one end of the passageway. The impedance element reduces turbulence of flow through the open end by evenly distributing the flowing fluid circumferentially about the end opening.
REFERENCES:
patent: 3515491 (1970-06-01), Emary
patent: 3647304 (1972-03-01), Emmel et al.
Berick Alan C.
Magnussen, Jr. Haakon T.
Altex Scientific Inc.
Corbin John K.
Koren Matthew W.
Meads Robert R.
Shewmaker John R.
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