Dysprosium (III) iodide
Crystal structure | ||||||||||||||||
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__ Dy 3+ __ I - | ||||||||||||||||
General | ||||||||||||||||
Surname | Dysprosium (III) iodide | |||||||||||||||
other names |
Dysprosium triiodide |
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Ratio formula | DyI 3 | |||||||||||||||
Brief description |
hygroscopic solid |
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External identifiers / databases | ||||||||||||||||
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properties | ||||||||||||||||
Molar mass | 543.21 g mol −1 | |||||||||||||||
Physical state |
firmly |
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Melting point |
955 ° C |
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boiling point |
1320 ° C |
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solubility |
soluble in water |
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safety instructions | ||||||||||||||||
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Dysprosium (III) iodide is an inorganic chemical compound of dysprosium from the group of iodides .
Extraction and presentation
Dysprosium (III) iodide can be obtained by reacting dysprosium with iodine .
properties
Dysprosium (III) iodide is a hygroscopic yellow-green flaky solid that is soluble in water. It has a trigonal crystal structure of the bismuth (III) iodide type with the space group R 3 (space group no. 148) .
use
Dysprosium (III) iodide is used in gas discharge lamps to generate white light.
Individual evidence
- ↑ a b c d e f g Data sheet Dysprosium (III) iodide, ultra dry, 99.99% (REO) from AlfaAesar, accessed on October 31, 2013 ( PDF )(JavaScript required) .
- ^ A b Jean D'Ans, Ellen Lax: Paperback for chemists and physicists . Springer DE, 1997, ISBN 3-540-60035-3 , pp. 442, 1386 ( limited preview in Google Book search).
- ↑ WebElements: Reaction of dysprosium with the halogens
- ^ John Emsley: Nature's Building Blocks: An AZ Guide to the Elements . Oxford University Press, 2001, ISBN 0-19-850340-7 , pp. 131 ( limited preview in Google Book search).