钨酸锰
| 钨酸锰 | |
|---|---|
| 别名 | 钨酸亚锰 钨酸锰(II) |
| 识别 | |
| CAS号 | 14177-46-9（无水）  866597-81-1（水合）
|
| 性质 | |
| 化学式 | MnO4W |
| 摩尔质量 | 302.78 g·mol−1 |
| 外观 | 白色[1]或棕色固体[2][3] |
| 若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。 | |
钨酸锰是一种无机化合物，化学式为MnWO4。它在自然界中以Hübnerite矿物的形式存在。[4]
制备及反应
[编辑]钨酸锰可由氯化锰和钨酸钠在水溶液中反应制得[5]，或由三氧化二锰和三氧化钨高温反应制得：[6]
- MnCl2 + Na2WO4 → MnWO4 + 2 NaCl
- Mn2O3 + 2 WO3 → 2 MnWO4 + 1⁄2O2
它和氨在800 °C反应，可以得到MnWN2。[7]它和Pr2WO6在高温反应，可以得到棕色的MnPr2W2O10。[8]
参考文献
[编辑]- ^ Do Dang Trung; et al. Controlled synthesis of manganese tungstate nanorods for highly selective NH3 gas sensor. Journal of Alloys and Compounds, 2018. 735. doi:10.1016/j.jallcom.2017.11.161.
- ^ Saeid Khademolhoseini & Ali Abedini. Investigation of the structural, optical and magnetic properties of manganese tungstate nanoparticles synthesized via a sonochemical method. Journal of Materials Science: Materials in Electronics, 2016. 27. doi:10.1007/s10854-016-4790-0
- ^ Somchai Thongtem, Surangkana Wannapop, Anukorn Phuruangrat, Titipun Thongtem. Cyclic microwave-assisted spray synthesis of nanostructured MnWO4. Materials Letters. 2009. 63 (11): 833-836.
- ^ Hübnerite. mindat.org. [2024-07-27]
- ^ Shu-Jian Chen, Xue-Tai Chen, Ziling Xue, Jian-Hao Zhou, ing Li, Jian-Ming Hong and Xiao-Zeng You. Morphology control of MnWO4 nanocrystals by a solvothermal route. J. Mater. Chem., 2003,13, 1132-1135. doi:10.1039/B300457K.
- ^ Bak, T.; Ziolkowski, J. Kinetics and mechanism of synthesis of cobalt and manganese tungstates. Bulletin de l'Academie Polonaise des Sciences, Serie des Sciences Chimiques. 1974, 22 (4): 333–340. ISSN 0001-4095.
- ^ Jekabs Grins, Per-Olov Käll and Gunnar Svensson. Synthesis and structural characterisation of MnWN2 prepared by ammonolysis of MnWO4. J. Mater. Chem., 1995,5, 571-575. doi:10.1039/JM9950500571.
- ^ E. Tomaszewicz. New praseodymium(III) and d-electron metals tungstates of the formula MPr2W2O10 (M=Mn, Co, Cd). Journal of Thermal Analysis and Calorimetry, 2008. 93. 711-715. doi:10.1007/s10973-008-9133-9.
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