Flow injection analysis

Details Flow injection analysis Flow injection analysis

1990-12-03

1992-10-20

Housel, James C.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

Control element responds proportionally to a variable signal...

422 81, 422110, 422112, 7386481, 73 6156, 137209, 137212, 13762415, 417 18, 417118, 417120, G01N 3350, G01N 3396

Patent

active

051568144

ABSTRACT:
A liquid pump, particularly though not exclusively suitable for use in flow injection analysis, and comprising a reservoir 3 an outlet tube 6 for conducting liquid 2 from the reservoir and a device for introducing gas into the liquid in the reservoir to displace liquid therefrom through the tube. The gas may be introduced in the form of a series of rapid pulses of controlled duration and frequency and is introduced at a fixed level relative to the entrance to the outlet tube.

REFERENCES:
patent: 3749113 (1973-07-01), Isreeli et al.
patent: 4567748 (1986-02-01), Klass et al.
patent: 4683212 (1987-07-01), Uffenheimer
patent: 4740356 (1988-04-01), Huber
patent: 4865811 (1989-09-01), Newton et al.
patent: 5098657 (1992-03-01), Blackford

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