锆-二溴羟基苯基荧光酮-溴化十六烷基三甲铵显色反应体系研究及应用  

STUDY ON THE CHROMOGENIC REACTION OF Zr( IV ) WITH DBHPF IN THE PRESENCE OF CTMAB AND ITS ANALYTICAL APPLICATIONS

作　　者：付佩玉[1] 曹伟[1] 王正祥[1] 杨奉真[1] 

机构地区：[1]山东建材学院应化系,济南250022

出　　处：《理化检验（化学分册）》1995年第3期143-144,共2页Physical Testing and Chemical Analysis(Part B:Chemical Analysis)

摘　　要：研究了在表面活性剂溴经十六烷基三甲铵（ＣＴＭＡＢ）存在下，锆与二溴羟基苯基荧光酮（ＤＢＨ－ＰＦ）形成络合物的显色条件。在ＨＣｌ介质中锆与试剂形成１∶４桔红色络合物，最大吸收波长为５３０ｎｍ ，表观摩尔吸光系数为１．４８×１０＾６，锆量在０～１２μｇ／２５ｍｌ范围内符合比耳定律。方法简单、快速、灵敏度高，准确度也很好，已用于陶瓷釉料、熔铸氧化铝中微量锆的测定，获得满意的结果。In this paper,the conditions of the reaction of zr( Ⅳ ) with DBH-PF in the presence of CTMAB were studied. In HCl medium,Zr( Ⅳ ) reacts with DBH-PF to form a 1 : 4 rtd-orange complex with maximum obsorption at 530nm and its molar absorptivity being 1. 48× 105. Beer' s Law is abeyed of 0-12μg of Zr( Ⅳ } in 25ml. The proposed method is very simple,rapid and with less interference. It has been applied to the determination of microamounts of Zr( Ⅳ ) in the glazing uf china and the fused cast refractory of Al2O3 with satisfactory results.

关 键 词：吸光光度法 锆 二溴羟基苯基 荧光酮 CTMAB 

分 类 号：O614.412[理学—无机化学] O657.32[理学—化学]