| Reference Type | Journal (article/letter/editorial) |
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| Title | Synthesis of potassium manganese oxides under hydrothermal conditions |
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| Journal | Mineralogical Magazine |
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| Authors | Endo, T. | Author |
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| Kume, S. | Author |
| Shimada, M. | Author |
| Koizumi, M. | Author |
| Year | 1974 (March) | Volume | 39 |
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| Issue | 305 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_39/39-305-559.pdf+ |
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| DOI | doi:10.1180/minmag.1974.039.305.08Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 6732 | Long-form Identifier | mindat:1:5:6732:8 |
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| GUID | 0 |
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| Full Reference | Endo, T., Kume, S., Shimada, M., Koizumi, M. (1974) Synthesis of potassium manganese oxides under hydrothermal conditions. Mineralogical Magazine, 39 (305) 559-563 doi:10.1180/minmag.1974.039.305.08 |
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| Plain Text | Endo, T., Kume, S., Shimada, M., Koizumi, M. (1974) Synthesis of potassium manganese oxides under hydrothermal conditions. Mineralogical Magazine, 39 (305) 559-563 doi:10.1180/minmag.1974.039.305.08 |
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| In | (1974, March) Mineralogical Magazine Vol. 39 (305) Mineralogical Society |
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| Abstract/Notes | SummaryA 1 M solution of potassium permanganate was sealed in a gold capsule and was treated under conditions of temperature and pressure up to 800 °C and 2·5 kb. Different kinds of products were produced under different conditions of synthesis, and potassium manganate, birnessite, cryptomelane, hausmannite, manganosite, and a new phase appeared. The chemical composition of the new phase was determined as K2Mn4O9 and its X-ray powder diffraction pattern was indexed on a hexagonal cell with a 11·295 and c 21·870 Å. |
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