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关于呲啶及其某些衍生物的极谱分析,文献[1—5]已有报导。十六烷基溴代吡啶(简称CPB)是一种表面活性剂,医学上用作杀菌剂。Doss等研究过CPB在滴汞电极上,对毛细管电容的极谱行为。Dolezil等用表面活性剂对极谱氧极大的抑制作用,曾间接地测定过痕迹量(10~(-6)～10~(-5)M)的CPB。但迄今文献中尚未见到关于直接用极谱法来测定和研究CPB的报导。本文所报导的是作者用交流电示波极谱法和普通极谱法,对CPB进行分析方法和稳定性的研究结果,以
The polarographic analysis of pyridine and some of its derivatives has been reported in literature [1-5]. Cetyl bromopyridine (CPB for short) is a surfactant that is medically used as a bactericide. Doss et al. Studied the polarographic behavior of CPB on a droplet mercury electrode versus capillary capacitance. Dolezil and other surfactants with polarographic inhibition of polar oxygen has been indirectly measured over the trace amount (10 ~ (-6) ~ 10 ~ (-5) M) CPB. However, up to now, there is no report in the literature about the direct determination and study of CPB by polarography. This article reports the author using AC oscillometric polarography and ordinary polarographic method, the CPB analysis methods and stability of the study to