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提出了一个用十六烷基三甲基溴化铵(CTMAB)在NaOH底液中滴定过量的四苯硼钠(Na—TPB)的交流示波极谱滴定钾的容量分析方法。利用Na—TPB在示波极谱图上的切口指示终点。方法快速、准确,干扰极少。
A volumetric analytical method for the titration of potassium titanate by sodium octafluoroborate (Na-TPB) titrated with sodium cetyltrimethylammonium bromide (CTMAB) in NaOH bottoms was proposed. The end point is indicated by the incision of the Na-TPB on the oscillogram. The method is fast, accurate and with minimal interference.