Sample introduction for spectrometers

Details Sample introduction for spectrometers Sample introduction for spectrometers

1991-03-29

1993-10-26

Housel, James C.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

422 67, 436 50, 436 52, 436155, 436181, 7386481, 250288, G01N 3112

Patent

active

052563740

ABSTRACT:
A system for introducing a sample to an analyzing device, such as a spectrometer, wherein the flow rate of gas to the analyzing device is maintained substantially constant and uncontaminated during sample changeover. The system includes a flow controller and flow control paths arranged to avoid having any flow diverting valves or direction change in the analyte flow path.

REFERENCES:
patent: 3847554 (1974-11-01), Su
patent: 4268478 (1981-05-01), Huber
patent: 4273742 (1981-06-01), Huber et al.
patent: 4344917 (1982-08-01), Schorno
patent: 4740356 (1988-04-01), Huber
patent: 4824790 (1989-04-01), Carangelo et al.
patent: 4836039 (1989-06-01), De Silva
patent: 4914037 (1990-04-01), Forster et al.

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