Ag2Hg3
| Ag2Hg3 | |
|---|---|
| 识别 | |
| CAS号 | 12249-78-4 
|
| 性质 | |
| 化学式 | Ag2Hg3 |
| 摩尔质量 | 817.51 g·mol−1 |
| 外观 | 灰黑色粉末[1] |
| 若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。 | |
Ag2Hg3是银和汞之间形成的金属间化合物，它是牙医银汞材料的组分之一。它的γ相由127 °C时的包晶反应[2]或[(PPh3)3Ag(μ-SPh)7Hg2]的热分解[1]产生，其晶体属立方晶系I23空间群。[2]在非均相Ag2Hg3中Hg的扩散系数为2.18×10−2exp(−9.58×103/RT)（64~120 °C，cm2/sec）。[3]它可以加热分解。[4]
参考文献
- ^ 1.0 1.1 Geetika Gupta, Jyotsna Chaturvedi, Subrato Bhattacharya. Geometrically unprecedented 3-, 5- and 7-membered Hg( ii )–Cu( i ) and Hg( ii )–Ag( i ) thiolate clusters: precursors to intermetallics. Dalton Transactions. 2015, 44 (19): 8932–8937 [2021-09-04]. ISSN 1477-9226. doi:10.1039/C4DT03500C （英语）.
- ^ 2.0 2.1 C. W. Fairhurst, J. B. Cohen. The crystal structures of two compounds found in dental amalgam: Ag 2 Hg 3 and Ag 3 Sn. Acta Crystallographica Section B. 1972-02-01, 28 (2): 371–378 [2021-09-04]. ISSN 0567-7408. doi:10.1107/S0567740872002432. （原始内容存档于2022-03-20）.
- ^ C. F. Timmons, A. L. Hines, G. R. Lightsey, T. Okabe. Diffusion of mercury in Ag2Hg3 from weight-loss data. Journal of Biomedical Materials Research. 1976-05, 10 (3): 371–375 [2021-09-04]. ISSN 0021-9304. doi:10.1002/jbm.820100306. （原始内容存档于2021-09-04） （英语）.
- ^ Khrapunov, V. E.; Abramov, A. S.; Zhunusova, G. Zh.; Sadvakasov, D. A.; Markin, I. A.; Klyashchitskaya, N. D. Decomposition of silver amalgam at decreased pressure. Kompleksnoe Ispol'zovanie Mineral'nogo Syr'ya. 2002, (4): 52–59. ISSN 0202-1382 （俄语）.
拓展阅读
- M Kaga, N.S Seale, T Hanawa, J.L Ferracane, D.E Waite, T Okabe. Cytotoxicity of amalgams, alloys, and their elements and phases. Dental Materials. 1991-01, 7 (1): 68–72 [2021-09-04]. doi:10.1016/0109-5641(91)90031-S. （原始内容存档于2018-06-13） （英语）.
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.
Cover photo is available under {{::mainImage.info.license.name || 'Unknown'}} license.
Cover photo is available under {{::mainImage.info.license.name || 'Unknown'}} license.
Credit:
(see original file).
