新显色剂3,5-二溴-4-偶氮对苯二酚苯基荧光酮的合成及其分析性能研究
Synthesis of 2,3,7-trihydroxy-9-3,5-dibromo 4 (2,5 dihydroxy)phenylazo phenylfluorone and its colo
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摘要: 介绍了新试剂 2,3,7- 三羟基- 9- [3,5- 二溴- 4- (2,5- 二羟基)苯偶氮]苯基荧光酮( D A R P F)的合成通过元素分析、红外光谱和紫外可见吸收光谱等方法测试,确定了该试剂的组成和结构研究了试剂的物理特性及与一些高价金属离子显色反应的光度性质Abstract: The new reagent of 3,7 trihydroxy 9 3,5 dibromo 4 (2,5 dihydroxy) phenylazophenylfluorone (DARPF) was synthesized and characterized by elemental analysis, infrared and ultraviolet spectra.The chromogenic properties of color reaction of DARPF with various high valence metal ion were studied.