Determination of elemental sulphur in soils

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Elemental sulphur was extracted from soil with chloroform and the sulphur was reduced to hydrogen sulphide by iron powder in the presence of hydrochloric acid, acetone and chloroform. The hydrogen sulphide was transferred in a stream of nitrogen to sodium hydroxide solution and determined by titration with mercuric chloride using dithizone as an indicator. The reduction technique was not specific to elemental sulphur but soils appeared to contain few compounds which were soluble in chloroform and which were also reduced. Wet soils could be extracted without preliminary drying. The analysis is rapid and suitable to routine application.

Original languageEnglish
Pages (from-to)454-456
Number of pages3
JournalJournal of the Science of Food and Agriculture
Volume19
Issue number8
DOIs
Publication statusPublished - 1 Jan 1968
Externally publishedYes

Fingerprint

Chloroform
Sulfur
chloroform
Hydrogen Sulfide
sulfur
Soil
hydrogen sulfide
Dithizone
mercuric chloride
soil
Sodium Hydroxide
Mercuric Chloride
Hydrochloric Acid
hydrochloric acid
sodium hydroxide
Acetone
titration
Powders
acetone
powders

Cite this

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Determination of elemental sulphur in soils. / Barrow, N. J.

In: Journal of the Science of Food and Agriculture, Vol. 19, No. 8, 01.01.1968, p. 454-456.

Research output: Contribution to journalArticle

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AB - Elemental sulphur was extracted from soil with chloroform and the sulphur was reduced to hydrogen sulphide by iron powder in the presence of hydrochloric acid, acetone and chloroform. The hydrogen sulphide was transferred in a stream of nitrogen to sodium hydroxide solution and determined by titration with mercuric chloride using dithizone as an indicator. The reduction technique was not specific to elemental sulphur but soils appeared to contain few compounds which were soluble in chloroform and which were also reduced. Wet soils could be extracted without preliminary drying. The analysis is rapid and suitable to routine application.

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