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碱性2,2′-联吡啶(pK_b9.6)可以催化质子在水/硝基苯界面的传输。循环线性电流扫描计时电位法及循环伏安法研究表明催化传输行为与水相pH紧密相关。本文根据实验结果导出了传输电位和电流在不同pH的理论表达式。所用仪器及操作与以前报道相同。含有2.2′-联吡啶的硝基苯为有机相,水相采用不同pH的HAc-NaAc缓冲溶液或稀酸。
The basic 2,2’-bipyridyl (pK_b9.6) catalyzes the transport of protons at the water / nitrobenzene interface. Cyclic linear current scanning chronopotentiometry and cyclic voltammetry studies show that the catalytic transport behavior is closely related to the pH of the aqueous phase. Based on the experimental results, this paper derived the theoretical expression of the transmission potential and current at different pH. The same equipment and operation as previously reported. The nitrobenzene containing 2.2’-bipyridine is the organic phase, and the aqueous phase is HAc-NaAc buffer solution or dilute acid with different pH.