Device for supplying liquid to a nebulizer in a spectrometer

Details Device for supplying liquid to a nebulizer in a spectrometer Device for supplying liquid to a nebulizer in a spectrometer

1989-05-23

1991-02-05

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

356316, G01N 2172, G01N 2173

Patent

active

049899767

ABSTRACT:
In a device for supplying liquid to an atomization device operating with a nebulizer (22) in a spectrometer, the liquid is fed to the nebulizer (22) by a peristaltic pump (10) through a supply conduit (12). A valve (18) responding to liquid pressure is arranged closely in front of the nebulizer (22) and controls a connection between the supply conduit (12) and an outlet (30) through which excess liquid can flow off. A sensor (44) responding to the opening of the valve (18) is adapted to control the speed of the peristaltic pump (10), such that the quantity fed by the peristaltic pump (10) is slightly larger than the feeding capacity of the nebulizer (22).

REFERENCES:
patent: 4322165 (1982-03-01), Ellebracht et al.

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