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氟硅酸铅

氟硅酸铅

Blei(II)-ionHexafluorosilicat(II-)-ion

识别
CAS号 25808-74-6  checkY
1310-03-8(二水合物)  checkY
PubChem 11966241
SMILES
 
  • [Pb+2].F[Si-2](F)(F)(F)(F)F
EC编号 247-278-1
性质
化学式 PbSiF6
摩尔质量 349.27 g·mol⁻¹
外观 无色到白色固体[1]
溶解性 (二水合物)1900 g·l−1 当0 °C;2220 g·l−1 当 20 °C;4630 g·l−1 当100 °C[2]
相关物质
其他阳离子 氟硅酸镁
氟硅酸钡
氟硅酸铜
氟硅酸锌
氟硅酸镉
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

氟硅酸铅氟硅酸盐,化学式 PbSiF
6
,通常以二水合物的形式存在。

性质

[编辑]

氟硅酸铅的二水合物是一种无色固体,可溶于水[2],高温下分解。[3]

制备

[编辑]

氟硅酸铅可以由一氧化铅氟硅酸反应而成。

用处

[编辑]
这个纯度 99.989%的铅块是由氟硅酸铅的电解而成的

氟硅酸铅的电解可以用来提纯铅。[2][4]通过涉及到氟硅酸铅的Betts法英语Betts_electrolytic_process,可以分离铅和[5]

参考资料

[编辑]
  1. ^ Record of Bleihexafluorosilikat in the GESTIS Substance Database from the IFA英语Institute for Occupational Safety and Health
  2. ^ 2.0 2.1 2.2 Dale L. Perry, [《氟硅酸铅》在Google Books的內容。 Handbook of Inorganic Compounds], CRC Press: pp. 12, 215, (德文) 
  3. ^ William M. Haynes, [《氟硅酸铅》在Google Books的內容。 CRC Handbook of Chemistry and Physics, 96th Edition], CRC Press: pp. 4-71, (德文) 
  4. ^ Mordechay Schlesinger, Milan Paunovic, [《氟硅酸铅》在Google Books的內容。 Modern Electroplating], John Wiley & Sons: pp. 250, (德文) 
  5. ^ Roger Rumbu, [《氟硅酸铅》在Google Books的內容。 Non-Ferrous Extractive Metallurgy - Industrial Practices]: pp. 252, (德文) 
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氟硅酸铅
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