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4-(6′-溴苯并噻唑偶氮)-3-羟基苯甲酸的制备及性能的研究。本试剂是一个好的酸指示剂和金属离子显色剂。
Preparation and properties of 4- (6’-bromobenzothiazolylazo) -3-hydroxybenzoic acid. This reagent is a good acid indicator and metal ion developer.