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The determination of oxides of sulphur in flue gas

✍ Scribed by Gillham, E. W. F.

Publisher
Wiley (John Wiley & Sons)
Year
1946
Weight
357 KB
Volume
65
Category
Article
ISSN
0368-4075

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✦ Synopsis

Abstract

The limitations of existing methods of testing for sulphur dioxido and sulphur trioxido are discussed, and a now method proposed whereby these constituents are absorbed under acid conditions. By absorption of sulphur trioxido in distilled water, absorption and subsequent oxidation of the dioxide are minimised, with a corresponding increase in accuraoy; sulphur dioxido is absorbed in hydrogen peroxide after removal of the trioxido. After absorption, the acidities of the absorbents are determined before and after oxidation; the sulphur contents are determined directly by the palmitato method. Some typical results obtained by new and old methods are tabulated.

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