Graphite tube furnace with specimen support for atomic absorptio

Details Graphite tube furnace with specimen support for atomic absorptio Graphite tube furnace with specimen support for atomic absorptio

1989-06-28

1990-08-07

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

G01N 2174

Patent

active

049462784

ABSTRACT:
A graphite tube furnace with a specimen support for use in atomic absorption spectroscopy has preferably knife-edged shaped flanges on the inner wall surface of the tube furnace. The specimen support is held on the flanges at a distance from the inner wall surface. This avoids the production of heat in the specimen support and heat flow from the tube furnace to the specimen support.

REFERENCES:
patent: 4303339 (1981-12-01), Glaser et al.
Journal of Analytical Atomic Spectroscometry, Mar. 1987, vol. 2, Ian Shuttler et al.: "Between-batch Variability of Thermal Characteristics of Commercially Available L/vov Platform Graphite Tube Atomisers and Analytical Accurary in Electrothermal Atomization, " etc.
Fresenius Z. Anal Chem (1986) 323: pp. 748-753; Heinz Falk et al.: "Spatially and temporally resolved temperature profiles in graphite furnaces."

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