引用本文:
董俊华, 宋光铃, 林海潮, 曹楚南. 酸性介质中硫脲及衍生物在纯铁上的吸附作用[J]. 物理化学学报,
1996, 12(01): 34-38.
doi:
10.3866/PKU.WHXB19960108
Citation: Dong Jun-Hua, Song Guang-Ling, Lin Hai-Chao, Cao Chu-Nan. The Adsoption of Thiourea and tis Derivatives on Iron Electrode in Acidic Solution[J]. Acta Physico-Chimica Sinica, 1996, 12(01): 34-38. doi: 10.3866/PKU.WHXB19960108
Citation: Dong Jun-Hua, Song Guang-Ling, Lin Hai-Chao, Cao Chu-Nan. The Adsoption of Thiourea and tis Derivatives on Iron Electrode in Acidic Solution[J]. Acta Physico-Chimica Sinica, 1996, 12(01): 34-38. doi: 10.3866/PKU.WHXB19960108
酸性介质中硫脲及衍生物在纯铁上的吸附作用
English
The Adsoption of Thiourea and tis Derivatives on Iron Electrode in Acidic Solution
Abstract:
The cathodic adsorption beheaviors of thiourea and 4 of its derivatives on iron in hydrochloric acid and sulphuric acid were investigated by polarization curves. The accordance of the adsorption beheavior of thiourea on iron in sulphuric acid with Temkin isotherm was deduced from hynamics, and the thiourea took part in the reaction of HER, this phenomena is a negative catalytic effect. The adsorption beheavoris of thiourea and its 4 derivatives on iron in hydrochloric acid was found to be in accord with Langmuir isotherm and this conclusion was deduced from thermodynamics, this phenomena is a blocking effect.
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Key words:
-
Thiourea
- / Derivatives
- / Iron;Adsorption
- / Cathodic polarization
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