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1引言间羟基苯甲醛是一种新型的精细化工产品，可作为制药、香料、农药、液晶等工业的重要原料。作者对间甲酚直接氧化制取间羟基苯甲醛进行了系统的小试，试验过程中由于产品和反应原料均有颜色，对反应的跟踪和产品的测定带来不便。本文研究了采用电位满定法测定间羟基苯甲醛
1 Introduction Hydroxybenzaldehyde is a new type of fine chemical products that can be used as an important raw material for pharmaceuticals, spices, pesticides and liquid crystals. The author of m-cresol direct oxidation of m-hydroxybenzaldehyde conducted a small test, the process of testing the product and the reaction raw materials are color, the reaction tracking and product testing inconvenience. In this paper, the determination of m-hydroxybenzaldehyde by potentiometric method was studied