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Apparatus for wet ashing of organic materials with nitric and sulphuric acids

Authors
Journal
Analytica Chimica Acta
0003-2670
Publisher
Elsevier
Publication Date
Volume
149
Identifiers
DOI: 10.1016/s0003-2670(00)83189-x

Abstract

Abstract A simple apparatus is described for the wet ashing of organic materials (fats, charcoal, plastics, foodstuffs) with nitric and sulphuric acid at atmospheric pressure. The ashing may be run automatically without supervision. Quantitative recovery of added elements (As, Au, Hg, Se and Tc) was demonstrated by using radioactive tracers.

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