摘要
以对苯二酚、2 ,4-二羟基苯甲醛为基本原料 ,报道了新显色剂 2 ,3 ,7-三羟基 -9-(2 ,4-二羟基 )苯基荧光酮 (DHPF)的合成方法。通过对试剂进行红外光谱、紫外光谱、元素分析确证了试剂的结构。采用分光光度法测定了试剂在水溶液中的离解常数。
A method for the synthesis of new reagent 2,3,7 trihydroxy 9 (2,4 dihydroxy) phenylfluorone (DHPF) was introduced with hydroquinone and 2,4 dihydroxybenzaldehyde as basic material.The structure of the reagent was characterized by elementary analysis,infrared and ultraviolet spectra.The dissociation constant of the reagent was determined in aqueous solution. Chromogenic properties of color reaction of DHPF with various high valence metal ions were studied in the presence of surfactant.
出处
《化学试剂》
CAS
CSCD
北大核心
2002年第3期158-159,166,共3页
Chemical Reagents
基金
湖北省教委资助自然科学重点科研项目 (项目编号 97A0 3 8)
