Flameless atomic absorption spectrophotometer

Details Flameless atomic absorption spectrophotometer Flameless atomic absorption spectrophotometer

1993-09-07

1995-06-13

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

G01J 330, G01N 2174

Patent

active

054248329

ABSTRACT:
A flameless atomic absorption spectrophotometer including a valve controller that connects the inside of the heating tube to the inert gas source before the sample is atomized, whereby water vapor or organic vapor generated from the sample before the atomizing stage is expelled from the tube through the sampling hole. In the atomizing stage of the heating program, the valve controller connects the inside of the heating tube to the outer atmosphere, whereby the atomized sample can expand along the optical path within the heating tube.

REFERENCES:
patent: 4660976 (1987-04-01), Falk

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