Tetraphenylantimony(V)-assisted transfer of hydroxide and fluoride anions across the 1,6-dichlorohexane | water interface

Tetraphenylantimony(V)-assisted transfer of hydroxide and fluoride anions across the 1,6-dichlorohexane | water interface
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四苯基锑 (V) 辅助氢氧根和氟阴离子穿过 1,6-二氯己烷的转移 |

DOI:
10.1007/s44211-022-00135-1
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发表时间:
2022
影响因子:
1.6
通讯作者:
Uematsu Kohei
Uematsu Kohei
中科院分区:
化学4区
文献类型:
--
作者:
Katano Hajime;Sawazaki Yuto;Sakae Hiroki;Uematsu Kohei

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在1,6-二氯己烷(DCH)上的离子转移反应|用伏安法研究了有机金属阳离子四苯锑(TPhSb+)在DCH中的水(W)界面。当TPhSb+盐与[(C4 F9 SO2)2N]-离子被加入到DCH-相中,W-相在pH < 6的缓冲液中时,由于TPhSb+离子在DCH中的简单转移,|在极化电位窗口内观察到W界面。当W相在pH > 7的缓冲液中时,中点电位随着pH的增加而向更正的电位移动。伏安图可以归因于通过形成TPhSbOH辅助的OH−离子的转移,TPhSbOH在DCH中是稳定的。此外,由于TPhSb+辅助F−离子的转移,在TPhSb+(DCH)处观察到7可逆伏安图。|F−(W,无缓冲)界面系统。当用TPhSbOH或TPhSbF代替DCH中的TPhSb[(C4 F9 SO2)2N]时,获得了相同的结果,表明TPhSb+和TPhSbOH(DCH)的适用性。|OH−(W)界面体系与碱性溶液pH传感器及TPhSb+和TPhSbF(DCH)的界面体系|F−(W)接口到F−离子传感器。图形摘要
The ion-transfer reaction at the 1,6-dichlorohexane (DCH) | water (W) interface in the presence of an organometallic cation, tetraphenylantimony (TPhSb+), in DCH was studied voltammetrically. When TPhSb+salt with [(C4F9SO2)2N]−ion was added to the DCH-phase and the W-phase was buffered at pH < 6, a reversible cyclic voltammogram due to the simple transfer of TPhSb+ion across the DCH | W interface was observed within the polarizable potential window. When the W-phase was buffered at pH > 7, the midpoint potential shifted to more positive potentials with increasing pH. The voltammogram could be attributed to the transfer of the OH−ion assisted by the formation of TPhSbOH, which is stable in DCH. Also, a 7reversible voltammogram due to the TPhSb+-assisted transfer of F−ion was observed at the TPhSb+(DCH) | F−(W, unbuffered) interfacial system. The same results were achieved when TPhSb[(C4F9SO2)2N] in DCH was replaced by TPhSbOH or TPhSbF, indicating the applicability of the TPhSb+and TPhSbOH (DCH) | OH−(W) interfacial system to a pH sensor for alkaline solution and that of the TPhSb+and TPhSbF (DCH) | F−(W) interface to a F−ion sensor.Graphical abstract
DOI: 10.2116/analsci.20.553
发表时间: 2004-03-01
影响因子: 1.6
作者:
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DOI: 10.1246/bcsj.74.2343
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1,6-二氯己烷|水和1,4-二氯丁烷|水界面的离子转移伏安法。
DOI: 10.1016/j.talanta.2003.10.044
发表时间: 2004
期刊: Talanta
影响因子: 6.1
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DOI: --
发表时间: 2017
期刊:
影响因子: --
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