- 作者: 林瑞摓; 李定一
- 作者服務機構: Department of Chemistry, National Taiwan University
- 中文摘要: Electrometric behavior tetraphenylboron (TPB) on mercury electrode was investigated. Potentiometric titration of Hg2++ with TPB¯ showed that TPB¯ showed that TPB¯ reacted with Hg2++ with stoichiometric ratios (equivalent) of 1:3 and 1:8 (TPB:H2++) to form diphenylmercury, Hg(C6H5)2, and phenylmercuric ion, C6H5-Hg+. Only 1:3 stoichiometry was found in the reverse titration. Potential response of TPB was around 10¯3 M or higher, another stoichiometry of 1:1 with formation of Hg(I)-tetraphenylborate might be possible. Controlled potential oxidation of TPB¯ on mercury gave Hg(C6H5)2 and C6H5Hg+ which were identified by m. p. measurements and elementary analyses.
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