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The removal of free iron oxide from clays*

Published online by Cambridge University Press:  14 March 2018

B. D. Mitchell  and
R. C. Mackenzie
B. D. Mitchell
Affiliation:
The Macaulay Institute for Soil Research, Craigiebuckler, Aberdeen, Scotland
R. C. Mackenzie
Affiliation:
The Macaulay Institute for Soil Research, Craigiebuckler, Aberdeen, Scotland
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Extract

The techniques previously employed in this laboratory for removing free iron oxide from soil clays were the acid ammonium oxalate and the aluminium-ammonium tartrate methods (Tamm, 1922; Dion, 1944). Since both had disadvantages, especially when determining the iron by sodium salicylate (Scott, 1941), the use of sodium hydrosulphite, Na2S2O4, (Galabutskaya and Govorova, 1934; Deb, 1950) was fully investigated in the hope that it might lead to the development of a satisfactory, completely inorganic procedure.

Type
Research Article
Information
Clay Minerals Bulletin , Volume 2 , Issue 11 , May 1954 , pp. 115 - 118
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1954

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Footnotes

*

This is a brief summary. For full details consult the papers of Mitchell and Mackenzie (1954) and Mackenzie (1954).

References

Deb, B. C., 1950. J. Soil Sci., I, 212.Google Scholar
Dion, H. G., 1944. Soil Sci., 58, 411.Google Scholar
Galabutskaya, E. and Govorova, R., 1934. Miner. Syrje, 9, 27.Google Scholar
Guthrie, W. C. A., 1933. “Studies in Rock Analysis.” Ph.D. Thesis, Edinburgh.Google Scholar
Mackenzie, R. C., 1954. J. Soil Sci., 5, 167.Google Scholar
Mitchell, B. D. and Mackenzie, R. C., 1954. Soil Sci., 77, 173.Google Scholar
Scott, R. O., 1941. Analyst, 66, 142.Google Scholar
Tamm, O., 1922. Medd. Skogsförsöksanst. Stockh., 19, 385.Google Scholar