DOI: 10.1180/claymin.1967.007.2.10. Solid solution formation of lepidocrocite-boehmite and its occurrence in soil

Solid solution formation of lepidocrocite-boehmite and its occurrence in soil

10.1180/claymin.1967.007.2.10

Crossref journal-article

Mineralogical Society

Clay Minerals (7149)

Abstract

AbstractAddition of aluminium to the ferrous sulphate mother solution used to synthesize lepidocrocite, γ FeOOH, yielded a substituted, though excessively hydrous (Fe,Al)OOH structure. Apart from reducing X-crystallinity, the main effect of isomorphous incorporation of aluminium in the lepidocrocite lattice was a shift, to higher values, in the temperature at which the lepidocrocite dehydration to maghemite was complete. Increased thermal stability of this substituted lepidocrocite, deduced from measurements of magnetic attraction made after serial heating, was consistent with the presence of a boehmitic component in solid solution. Magnetic susceptibility data for an oxisol indicated that a similar ferri-aluminous complex had developed pedogenically in the upper solum. This constituent was, however, amorphous to X-rays.

Bibliography

De Villiers, J. M., & van Rooyen, T. H. (1967). Solid solution formation of lepidocrocite-boehmite and its occurrence in soil. Clay Minerals, 7(2), 229â235.

Authors 2

J. M. De Villiers (first)
T. H. van Rooyen (additional)

References 10 Referenced 13

{'key': 'S0009855800014278_ref010', 'first-page': '1558', 'volume': '69', 'author': 'van Schuylenborgh', 'year': '1950', 'journal-title': 'Rec. des Travaux Chim. des Pays-Bas.'} / Rec. des Travaux Chim. des Pays-Bas. by van Schuylenborgh (1950)
10.1038/212645b0
{'key': 'S0009855800014278_ref008', 'first-page': '217', 'volume-title': 'Trans. Int. Soc. Soil Sci., Soil Chem. and Fertility Commissions.', 'author': 'Roth', 'year': '1967'} / Trans. Int. Soc. Soil Sci., Soil Chem. and Fertility Commissions. by Roth (1967)
{'key': 'S0009855800014278_ref007', 'volume-title': 'The X-ray Identification and Crystal Structures of Clay Mineral.', 'author': 'Rooksby', 'year': '1961'} / The X-ray Identification and Crystal Structures of Clay Mineral. by Rooksby (1961)
10.1180/claymin.1965.006.1.04
{'key': 'S0009855800014278_ref006', 'first-page': '69', 'volume': '26', 'author': 'Oades', 'year': '1963', 'journal-title': 'Soils Fertil., Harpenden.'} / Soils Fertil., Harpenden. by Oades (1963)
10.1111/j.1365-2389.1961.tb00919.x
10.1180/claymin.1965.006.1.05
10.1111/j.1365-2389.1953.tb00655.x
10.1097/00010694-196104000-00004

Dates

Type	When
Created	18 years, 8 months ago (Dec. 8, 2006, 10:06 a.m.)
Deposited	6 years, 2 months ago (June 2, 2019, 3:35 p.m.)
Indexed	1 year, 1 month ago (July 3, 2024, 3:21 a.m.)
Issued	57 years, 8 months ago (Dec. 1, 1967)
Published	57 years, 8 months ago (Dec. 1, 1967)
Published Online	7 years, 1 month ago (July 9, 2018)
Published Print	57 years, 8 months ago (Dec. 1, 1967)

Funders 0

None

BibTeX

@article{De_Villiers_1967, title={Solid solution formation of lepidocrocite-boehmite and its occurrence in soil}, volume={7}, ISSN={1471-8030}, url={http://dx.doi.org/10.1180/claymin.1967.007.2.10}, DOI={10.1180/claymin.1967.007.2.10}, number={2}, journal={Clay Minerals}, publisher={Mineralogical Society}, author={De Villiers, J. M. and van Rooyen, T. H.}, year={1967}, month=dec, pages={229–235} }

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