In this thesis the water content in C 4 distillation is determined with Carl - Fisher - Coulomb potentiometric method.

本文以卡尔 —— 费休——库仑滴定电分析法测定C_4馏分中水分含量.

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The potentiometric method or the crystal violet indicator was used to indicate the end - point.

选用高氯酸—冰醋酸标准液滴定,以电位法或结晶紫指示剂指示终点.

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