Reference Type | Journal (article/letter/editorial) |
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Title | Residual hydroxyl groups in the metakaolin range |
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Journal | Mineralogical Magazine and Journal of the Mineralogical Society |
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Authors | V. Stubičan, | Author |
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Year | 1959 (March) | Volume | 32 |
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Issue | 244 |
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Publisher | Mineralogical Society |
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Download URL | https://rruff.info/doclib/MinMag/Volume_32/32-244-38.pdf+ |
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DOI | doi:10.1180/minmag.1959.032.244.06 |
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| Generate Citation Formats |
Mindat Ref. ID | 5495 | Long-form Identifier | mindat:1:5:5495:3 |
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GUID | 0 |
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Full Reference | V. Stubičan, (1959) Residual hydroxyl groups in the metakaolin range. Mineralogical Magazine and Journal of the Mineralogical Society, 32 (244) 38-52 doi:10.1180/minmag.1959.032.244.06 |
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Plain Text | V. Stubičan, (1959) Residual hydroxyl groups in the metakaolin range. Mineralogical Magazine and Journal of the Mineralogical Society, 32 (244) 38-52 doi:10.1180/minmag.1959.032.244.06 |
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In | (1959) Mineralogical Magazine Vol. 32 (244) Mineralogical Society |
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Abstract/Notes | SummaryInfra-red absorption spectroscopy has been used to study the retention of hydroxyl groups by kaolinite and halloysite after heat treatment in the range 600° C. to 850° C. Structurally disordered specimens initially lose water more rapidly than do ordered specimens, but retain hydroxyl groups at higher temperatures. Work on the phases obtained above 1100° C. is incomplete, but results for the lower temperatures indicate that the ordered structures tend to retain their atomic arrangement and form metakaolin, whereas disordered structures readily rearrange to yield γ-alumina, to the formation of which water is probably essential. |
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