Device for atomizing a sample in flameless atomic absorption spe

Details Device for atomizing a sample in flameless atomic absorption spe Device for atomizing a sample in flameless atomic absorption spe

1983-04-11

1985-08-13

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

356244, G01N 2174

Patent

active

045346461

ABSTRACT:
A lamella-shaped sample carrier is attached to a tubular carriage and is movable into a graphite tube of a graphite tube cuvette from the end fact below the measuring light beam of an atomic absorption spectrophotometer. The carriage with the sample carrier is movable between an inner position, a dosing position and an outer position. The sample carrier is electrically heated in any position by means of busses. Drying and ashing of the sample take place outside the graphite tube. The graphite tube is then heated to atomizing temperature, while the sample carrier is in its outer position. Subsequently, the sample carrier is advanced into the inner position and heated itself. Thus, rapid atomization of the sample is achieved.

REFERENCES:
patent: 4111553 (1978-09-01), Garnys
patent: 4204770 (1980-05-01), Tomoff
patent: 4396287 (1983-08-01), Hildebrand et al.
patent: 4406540 (1983-09-01), Grossman et al.
patent: 4443105 (1984-04-01), Huber et al.

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