Optics: measuring and testing – For light transmission or absorption – Of fluent material
Patent
1989-06-12
1991-09-10
Rosenberger, Richard A.
Optics: measuring and testing
For light transmission or absorption
Of fluent material
G01N 1506, G01N 2105
Patent
active
050468537
ABSTRACT:
A flow cell through which the sample stream is passed surrounded by an enveloping stream is equipped with a laser-optical measuring means. For use in pressurized systems the inlet of the cell for the enveloping stream medium is connected on the upstream side to a constant pressure and flow means and the outlet from the cell is connected on the downstream side to a regulating means for the sample and enveloping stream flow rate.
REFERENCES:
patent: 3661460 (1972-05-01), Elking et al.
patent: 4683212 (1987-07-01), Uffenheimer
patent: 4752131 (1988-06-01), Eisenlauer et al.
patent: 4761074 (1988-08-01), Kohsaka et al.
Hemel Ralf
Linhart Friedrich
BASF - Aktiengesellschaft
Rosenberger Richard A.
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