钨酸镍

化合物

钨酸镍是一种无机化合物化学式为NiWO4。它是黄色调的固体,其具体颜色和合成方法或处理方法有关。[3][9]

钨酸镍

别名 钨酸镍(II)
识别
CAS号 14177-51-6  checkY
PubChem 84240
性质
化学式 NiWO4
摩尔质量 306.534 g·mol⁻¹
外观 土黄色[1]或深黄色[2]固体
黄铜色()或黄绿色()晶体[3]
浅绿色[4]或绿色固体[5]
气味 无味[5][6]
密度 3.3723 g/cm³[7]
熔点 1420 ˚C[8]
溶解性 难溶
溶解性 溶于氨水
结构
晶体结构 单斜晶系
危险性
GHS危险性符号
《全球化学品统一分类和标签制度》(简称“GHS”)中有害物质的标签图案《全球化学品统一分类和标签制度》(简称“GHS”)中对人体有害物质的标签图案
GHS提示词 危险
H-术语 H317, H350, H372
P-术语 P201, P260, P280, P308+313, P405, P501
相关物质
其他阴离子 铬酸镍
钼酸镍
其他阳离子 钨酸亚铁
钨酸钴
钨酸锌
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

制备及性质

钨酸镍可由硝酸镍钨酸钠反应得到:

 

从溶液中沉淀出的钨酸镍为绿色固体,它加热失水后逐渐变黄。[10]它在700 °C发生相变。[11]

参考文献

  1. ^ 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.
  2. ^ R.C. Pullar, S. Farrah , N. McN. Alford. MgWO4, ZnWO4, NiWO4 and CoWO4 microwave dielectric ceramics. Journal of the European Ceramic Society, 2007. 27 (2-3): 1059-1063. doi:10.1016/j.jeurceramsoc.2006.05.085
  3. ^ 3.0 3.1 Y.L. Oliveira; et al. Structural characterization, morphology, optical and colorimetric properties of NiWO4 crystals synthesized by the co-precipitation and polymeric precursor methods. Journal of Molecular Structure. 2020. doi:10.1016/j.molstruc.2020.128774.
  4. ^ He, Haiyan. (2010). Luminescence of aqueous reactions derived NiWO4 powders and sol-gel deposited films. International Journal of Materials Research, 101(3), 386–389. doi:10.3139/146.110280.
  5. ^ 5.0 5.1 Datenblatt Nickel tungsten oxide, 99.9% (metals basis excluding Co), Co <100ppm bei AlfaAesar, abgerufen am 2016-06-09.
  6. ^ Record of Nickel-Wolframtetraoxid in the GESTIS Substance Database from the IFA英语Institute for Occupational Safety and Health, accessed on 2020-01-08
  7. ^ Hicham Oudghiri-Hassani, Fahd Al Wadaani – Preparation, Characterization and Catalytic Activity of Nickel Molybdate (NiMoO4) Nanoparticles. doi:10.3390/molecules23020273.
  8. ^ Lebukhova, N. V.; Inorganic Materials, (2006), 42(3), 310-315, CAplus
  9. ^ Yunxia Huang. Amorphous NiWO4 Nanospheres with High-Conductivity and -Capacitive Performance for Supercapacitors. J. Phys. Chem. C 2019, 123, 50, 30067–30076. doi:10.1021/acs.jpcc.9b08448.
  10. ^ Ana G.C. Sales. Heat treatment influence on structural and optical properties of NiWO4 crystals. Journal of Solid State Chemistry, 2023. 318. doi:10.1016/j.jssc.2022.123773.
  11. ^ A. Kuzmin, J. Purans, R. Kalendarev Local structure and vibrational dynamics in NiWO4页面存档备份,存于互联网档案馆). Fermelertrics, 2001. 258: 21-30.