Sample introduction for spectrometers
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United States of America Patent
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-
Oct 26, 1993
Grant Date -
N/A
app pub date -
Mar 29, 1991
filing date -
Apr 4, 1990
priority date (Note) -
Expired
status (Latency Note)
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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.
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