【摘要】 建立了测定萃取剂石油亚砜浓度的实验方法.采用高氯酸电位滴定法,测定了乙酸酐非水体系中石油亚砜浓度.该法稳定可靠、操作简便.运用对应淬液法原理,测定了石油亚砜-煤油-硝酸体系中石油亚砜对硝酸的萃取平衡常数.同时,探讨了石油亚砜萃取硝酸的机理.更多还原

【Abstract】 A experimental method to determine the concentration of extractant petroleum sulphoxides (PSO) has been established. Using perchlorate potential titration method, the concentration of PSO in acetic anhydride non-aqueous system has been measured. The method is easy to operate and reliable. The equilibrium constant of the extraction of nitric acid with PSO in PSO-kerosene-nitric acid system has been obtained by using the corresponding solution principle. The mechanism of PSO extracting nitric acid has also been explored.更多还原