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Methods for the chemical analysis of meteorites. I. Siderites

Published online by Cambridge University Press:  14 March 2018

A. A. Moss ,
M. H. Hey  and
D. I. Bothwell
A. A. Moss
Affiliation:
Department of Mineralogy, British Museum
M. H. Hey
Affiliation:
Department of Mineralogy, British Museum
D. I. Bothwell
Affiliation:
Department of Mineralogy, British Museum
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Summary

Simple chemical procedures (colorimetric and gravimetric) for the determination of Co, Cr, Cu, Ga, Ni, P, and S in an iron meteorite or in the separated metallic phase of a pallasite are described; the minimum size of sample is discussed. A procedure for the quantitative removal of the metallic, sulphide, and phosphide phases from a stone or siderolite is described, and is applicable to the quantitative isolation of silicate and oxide inclusions from siderites (other than some very high in nickel).

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 32 , Issue 253 , June 1961 , pp. 802 - 816
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1961

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References

Page 802 Note 1 Fairbairn, H. W. et al., U.S. Geol. Surv. Bull. no. 980, 1951 Google Scholar; Fairbairn, H. W. and Schairer, J. F., Amer. Min., 1952, vol. 37, p. 744 Google Scholar [M.A. 12-33]; Fairbairn, H. W., Geochimica Acta, 1953, vol. 4, p. 143 CrossRefGoogle Scholar [M.A. 12-264]; Smales, A. A., Mapper, D., and Wood, A. J., Analyst, 1957, vol. 82, p. 75 CrossRefGoogle Scholar [M.A. 13-250] ; Goldich, S. S. and Oslund, E. H., Bull. Geol. Soc. Amer., 1956, vol. 67, p. 811 CrossRefGoogle Scholar [M.A. 13-467]; Smales, A. A., Geochimica Acta, 1955, vol. 8, p. 300 CrossRefGoogle Scholar [M.A. 14-43] ; Riley, J. P., Anal. Chim. Acta, 1958, vol. 19, p. 413 CrossRefGoogle Scholar [M.A. 14-87]; Chirnside, R. C., Journ. Soc. Glass Technol., 1959, vol. 43, p. 5 Google Scholar T [M.A. 14-383]; Riley, J. P. and Williams, H. P., Mikrochim. Acta, 1959, p. 804 CrossRefGoogle Scholar [M.A. 14-455].

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Page 803 Note 1 E. B. Sandell, Colorimetric Determination of Traces of Metals, 3rd edn, New York and London, 1959.

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Page 805 Note 2 If larger samples than 1 g. are necessary, the amount of acid and final bulk of solution A should be increased proportionally. Similarly the scale of operation on the other two samples, and the bulk of solutions B and C, must be increased proportionally. But the size of the aliquots for the several determinations need not be increased.

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Page 808 Note 2 A spectrophotometer is the most suitable instrument for this and the other determinations described below, but a filter-type absorptiometer may be used.

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Page 814 Note 5 This well is placed eccentrically, near the top of part A, rather than centrally as drawn, so that a larger boat can be accommodated.