茜素紫-乳化剂 OP-H_2O_2-Ti(Ⅳ)化学发光体系  

The Study of Alizarin Violet OP H 2O 2 Ti(Ⅳ) Chemiluminescence System

作　　者：朱秀会[1] 于振安[1] 

机构地区：[1]东北大学理学院

出　　处：《东北大学学报（自然科学版）》1997年第3期338-341,共4页Journal of Northeastern University(Natural Science)

基　　金：冶金部科学基金

摘　　要：报道了用自行组装的流动注射化学发光分析仪，对茜素紫－乳化剂ＯＰ－Ｈ２Ｏ２－Ｔｉ（ＩＶ）化学发光新体系进行了研究．考察了测定钛的最佳条件，测定Ｔｉ（ＩＶ）的线性响应浓度为０．５×１０－７～８．０×１０－６ｇ·ｍｌ－１，检测下限达５０ｎｇ·ｍｌ－１，对２μｇ·ｍｌ－１（ＩＶ）进行了１１次重复测定，其ＲＳＤ为２．１％，对２８种常见的阴阳离子进行了干扰实验，表明方法具有较好的选择性，用于水样中钛的分析，结果令人满意．A new method is reported for the determination of trace amount of Ti(Ⅳ) with Alizarin Volet OP H 2O 2 Ti(Ⅳ) chemiluminescence system by FIA. The detection limit of the method is 50 ng·ml -1 for Ti(Ⅳ). If the range of Ti(Ⅳ) concentration for the working curves is 0 5×10 -7 ～8 0×10 -6 g·ml -1 ,the peak height is found to be linearly dependent on the concentration of Ti(Ⅳ). The relative standard deviation is less than 2 1%. The method has been applied to determining Ti(Ⅳ) in water with satisfactory results.

关 键 词：流动注射分析 化学发光 茜素紫 钛 乳化剂 rFIA 

分 类 号：O614.411[理学—无机化学] O644.1[理学—化学]