Carbon Content of Sulfur and Volatile and Nonvolatile Sulfur Distillation Fractions

— We have developed and tested a technique for total carbon determination in small sulfur samples (0.1–1.5 g), as well as in volatile and nonvolatile impurities in sulfur. The technique involves IR-spectroscopic determination of carbon dioxide resulting from the oxidation of a sulfur sample and the...

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Bibliographic Details
Published in:Inorganic materials 2021-08, Vol.57 (8), p.843-851
Main Authors: Sukhanov, M. V., Blagin, R. D., Velmuzhov, A. P.
Format: Article
Language:English
Subjects:
Carbon
Carbon content
Carbon dioxide
Chemistry
Chemistry and Materials Science
Copper compounds
Distillation
Impurities
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Materials Science
Oxidation
Sulfur
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Summary:— We have developed and tested a technique for total carbon determination in small sulfur samples (0.1–1.5 g), as well as in volatile and nonvolatile impurities in sulfur. The technique involves IR-spectroscopic determination of carbon dioxide resulting from the oxidation of a sulfur sample and the nonvolatile residue or gaseous impurities with copper(II) oxide. The detection limit of the technique for carbon is 0.3–1.5 μg, and the error of determination is 20%. We have determined the percentage of carbon in sulfur samples of various origins and in volatile and nonvolatile impurities in the samples.
ISSN:0020-1685
1608-3172
DOI:10.1134/S0020168521080136