碘化鉛
碘化鉛 (化學式:Pb I 2 ),是鉛 最常見的碘化物 。在室溫下為黃色固體 ,經加熱後會變為磚紅色。在水中溶解度低,但可溶於熱水。
製備
將硝酸鉛 水溶液與碘化鉀 水溶液混合後,即產生碘化鉛沉澱與硝酸鉀 水溶液:
Pb(NO3 )2 + 2 KI → PbI2 ↓ + 2 KNO3
碘化鉛也可藉由將鉛 與氫碘酸 反應製得:
Pb + 2 HI → PbI2 ↓ + H2 ↑
參見
參考來源
^ Clever, H. L.; Johnston, F. J. The Solubility of Some Sparingly Soluble Lead Salts: An Evaluation of the Solubility in Water and Aqueous Electrolyte Solution (PDF) . J. Phys. Chem. Ref. Data (NIST data review). 1980, 9 (3): 751–784 [2017-07-13 ] . Bibcode:1980JPCRD...9..751C . doi:10.1063/1.555628 . (原始内容 (PDF) 存档于2014-02-11).
^ Ahuja, R.; Arwin, H.; Ferreira Da Silva, A.; Persson, C.; Osorio-Guillén, J. M.; Souza De Almeida, J.; Moyses Araujo, C.; Veje, E.; Veissid, N.; An, C. Y.; Pepe, I.; Johansson, B. Electronic and optical properties of lead iodide. Journal of Applied Physics. 2002, 92 (12): 7219–7224. Bibcode:2002JAP....92.7219A . doi:10.1063/1.1523145 . hdl:10495/11556 .
^ Zhong, Mianzeng; Zhang, Shuai; Huang, Le; You, Jingbi; Wei, Zhongming; Liu, Xinfeng; Li, Jingbo. Large-scale 2D PbI2 monolayers: experimental realization and their indirect band-gap related properties. Nanoscale. 2017, 9 (11): 3736–3741. PMID 28102404 . doi:10.1039/c6nr07924e .
^ Haynes, p. 4.128
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