鎢酸鈷
化合物
鎢酸鈷是一種無機化合物，化學式為CoWO4。它在自然界中以Krasnoselskite的礦物形式存在。[6]
| 鎢酸鈷 | ||
|---|---|---|
| ||
| 別名 | 鎢酸鈷(II) | |
| 識別 | ||
| CAS號 | 10101-58-3 
| |
| PubChem | 165812 | |
| 性質 | ||
| 化學式 | CoWO4 | |
| 摩爾質量 | 306.774 g·mol⁻¹ | |
| 外觀 | 藍色固體[1][2] 青金石藍（■）或深青藍（■）色晶體[3] 淺紫色無定形粉末（水合）[4] | |
| 密度 | ≈7.8g·cm-3[5] | |
| 溶解性（水） | 難溶 | |
| 若非註明，所有數據均出自標準狀態（25 ℃，100 kPa）下。 | ||
製備
鎢酸鈷可以通過鎢酸鈉和硫酸鈷（或硝酸鈷[7]）的反應得到[8]：
- Na2WO4 + CoSO4 → CoWO4↓ + Na2SO4
參考文獻
- ^ Zhang, C., Guo, D., Hu, C., Chen, Y., Liu, H., Zhang, H., & Wang, X. (2013). Large-scale synthesis and photoluminescence of cobalt tungstate nanowires. Physical Review B, 87 (3). doi:10.1103/physrevb.87.035416
- ^ Tiziano Montini; et al. Synthesis, characterization and photocatalytic performance of transition metal tungstates. Chemical Physics Letters, 2010. 498 (1-3): 113-119. doi:10.1016/j.cplett.2010.08.026.
- ^ Y.L. Oliveira; et al. Investigation of electronic structure, morphological features, optical, colorimetric, and supercapacitor electrode properties of CoWO4 crystals. Materials Science for Energy Technologies. 2022. 5. 125-144. doi:10.1016/j.mset.2021.12.006.
- ^ P. P. Bagwade, V. V. Magdum, D. B. Malavekar, Y. M. Chitare, J. L. Gunjakar, U. M. Patil & C. D. Lokhande. Synthesis, characterization and visible light driven dye degradation performance of one-pot synthesized amorphous CoWO4 powder. Journal of Materials Science: Materials in Electronics. 2022. 33. doi:10.1007/s10854-022-09174-w
- ^ W. M. Haynes. CRC Handbook of Chemistry and Physics 95thed. CRC Press, 2014. pp 4-60
- ^ Krasnoselskite （頁面存檔備份，存於互聯網檔案館）. MinDat. [2016-8-19]
- ^ Hongfei Jia; et al. Different catalytic behavior of amorphous and crystalline cobalt tungstate for electrochemical water oxidation. RSC Adv., 2012,2, 10874-10881. doi:10.1039/C2RA21993J.
- ^ Jiwei Deng, Liao Chang, Ping Wang, Endi Zhang, Jianmin Ma, Taihong Wang: Preparation and magnetic properties of CoWO4 nanocrystals. In: Crystal Research and Technology. 47, 2012, S. 1004, doi:10.1002/crat.201200130.