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Optimization of Pyrolytic Coating Procedure for Graphite Tubes Used in Atomic Absorption Spectrometry

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Abstract:

The advantages of pyrolytic graphite when a graphite electrothermal atomization source is used in atomic absorption spectrometry have been well documented. L'vov found that with the use of pyrolytic graphite sample diffusion through the graphite was eliminated. The increase in sensitivity and reduced memory effects, when carbide-forming substances are to be analyzed, is also well known and has been shown adequately elsewhere.

Keywords: Graphite tubes; Pyrolytic coating; Scanning electron microscopy

Document Type: Short Communication

DOI: http://dx.doi.org/10.1366/000370278774331170

Affiliations: 1: Raltech Scientific Services, a Division of Ralston Purina Company, St. Louis, Missouri 63188 2: Raltech Scientific Services, a Division of Ralston Purina Company, St. Louis, Missouri 63188; present address: Ralston Purina Health Industries Research, St. Louis, MO 63188

Publication date: July 1, 1978

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