新杂环不对称双偶氮变色酸类试剂的合成及其性能研究

Synthesis of some diazoylchromotropic acid reagents and their analytical properties

设计并合成了 5种新的未见文献报道的苯并噻唑不对称双偶氮变色酸类显色试剂 ,研究了试剂的性质及其与金属离子的反应行为。

Five new color reagents were synthesized and their acidity constants were determined by using spectrophotometric method.Color tests of the five reagents with different metal ions indicated that Fe(Ⅲ),Al(Ⅲ),Ni(Ⅱ) and Ti(Ⅳ)had sensitive reactions with them.