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Semi-micro determination of ferrous sulphide in shales

Published online by Cambridge University Press:  14 March 2018

S. Neglia  and
L. Favretto
S. Neglia
Affiliation:
Agip Mineraria, Servizio Geochimico, Milano, Italy
L. Favretto
Affiliation:
Agip Mineraria, Servizio Geochimico, Milano, Italy
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Abstract

A new method is described for determining in shales the amount of sulphides that dissolve in dilute hydrochloric acid. The samples are treated with hydrochloric acid under vacuum, and the hydrogen sulphide evolved is absorbed in potassium hydroxide and titrated with potassium permanganate. The analytical results are expressed as FeS.

Type
Research Article
Information
Clay Minerals Bulletin , Volume 5 , Issue 27 , July 1962 , pp. 37 - 41
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1962

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References

Neglia, S., 1961. Clay Min. Bull., 4, 243.Google Scholar
Scott, W. W., 1956. Standard Methods of Chemical Analyses, 5th Edition. Van Nostrand, New York p. 911.Google Scholar