Graphite tube for use in a flameless atomic absorption spectrome

Details Graphite tube for use in a flameless atomic absorption spectrome Graphite tube for use in a flameless atomic absorption spectrome

1976-11-03

1978-04-04

Corbin, John K.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356244, G01N 2154

Patent

active

040824608

ABSTRACT:
An improved graphite tube for use in a flameless atomic absorption spectrometer, which is characterized by a mechanically roughened area on at least a portion of the outer peripheral surface of the graphite tube for providing substantially constant emissivity for pyrometric temperature measurement, and in a preferred form the mechanically roughened area has superimposed thereon a microscopic chemically roughened area.

REFERENCES:
patent: 3817629 (1974-06-01), Witte
patent: 3862805 (1975-01-01), Tamm et al.

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