This essay provides a volumetric method of m-hy-droxybenzoic acid with the KBrO_3-KBr titrant, which is sim-ple,quick and highly accurate to gain satisfactory results forboth pure and rough samples.

• 本文提出溴酸钾-溴化钾组成的滴定剂，采用容量法测定间羟基苯甲酸含量，此法简单快速，精密度高，对于精品和粗品均能获得满意结果。