Issue 1197, 1975

PTFE apparatus for vapour-phase decomposition of high-purity materials

Abstract

The determination of ultra-trace impurities in high-purity inorganic materials is often limited by the “blank” value of the solvent acids used for the decomposition of the samples. A device is described with which the problem is overcome by means of decomposition of the material in the vapour phase of acid mixtures produced in a sealed vessel heated to temperatures of up to 250 °C. It is shown that no contamination of the sample occurs when using relatively impure acid mixtures.

Article information

Article type
Paper

Analyst, 1975,100, 896-898

PTFE apparatus for vapour-phase decomposition of high-purity materials

J. F. Woolley, Analyst, 1975, 100, 896 DOI: 10.1039/AN9750000896

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