Reference Type | Journal (article/letter/editorial) |
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Title | Transformation of chernikovite into meta-uranocircite II, Ba(UO2)2(PO4)2.6H2O and study of its solubility |
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Journal | Mineralogical Magazine | ISSN | 0026-461X |
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Authors | Vochten, R. F. | Author |
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Van Haverbeke, L. | Author |
Van Springel, K. | Author |
Year | 1992 (September) | Volume | 56 |
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Page(s) | 367-372 | Issue | 384 |
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Publisher | Mineralogical Society |
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Download URL | https://rruff.info/doclib/MinMag/Volume_56/56-384-367.pdf+ |
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DOI | doi:10.1180/minmag.1992.056.384.09Search in ResearchGate |
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Mindat Ref. ID | 1841 | Long-form Identifier | mindat:1:5:1841:2 |
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GUID | 6da7bdb6-dba9-452d-9d3c-4a1480ddfdc8 |
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Full Reference | Vochten, R. F., Van Haverbeke, L., Van Springel, K. (1992) Transformation of chernikovite into meta-uranocircite II, Ba(UO2)2(PO4)2.6H2O and study of its solubility. Mineralogical Magazine, 56 (384) 367-372 doi:10.1180/minmag.1992.056.384.09 |
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Plain Text | Vochten, R. F., Van Haverbeke, L., Van Springel, K. (1992) Transformation of chernikovite into meta-uranocircite II, Ba(UO2)2(PO4)2.6H2O and study of its solubility. Mineralogical Magazine, 56 (384) 367-372 doi:10.1180/minmag.1992.056.384.09 |
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In | (1992, September) Mineralogical Magazine Vol. 56 (384) Mineralogical Society |
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Abstract/Notes | AbstractChernikovite, (H3O)2(UO2)2(PO4)2, was synthesized and subsequently transformed into metauranocircite II, Ba(UO2)2(PO4)2.6H2O, by ion-exchange experiments. The crystals are lemon-yellow and strongly fluorescent. From solubility data a mean pKs value at 25°C was determined as 51.79 ± 0.21. For a cell volume of 16.31.7 Å3 and Z = 4 the density was calculated as 3.970 g/cm3 whereas the measured density is 3.964 g/cm 3. The X-ray powder pattern shows the following strongest lines: 3.609(60)(114), 3.470(60)(123), 2.9272(90)(132)2.9006(90)(312), 2.6065(80)(116), 2.4581(75)(233), 2.2015(100)(143 ; 143), 2.1869(100) (241 ; 226 ;241). |
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