偏最小二乘法同时测定纳米锐钛矿相二氧化钛光催化降解过程中的苯胺、邻氯苯胺、甲萘胺  

Simultaneous spectrophotometric determination of aniline, α-naphthylamine and o-chloraniline in the artificial samples using PLS method

作　　者：祖金凤[1] 耿成怀[1] 陈奕卫[1] 徐学诚[1] 成荣明[1] 

机构地区：[1]华东师范大学分析测试中心,上海200062

出　　处：《分析试验室》2004年第2期54-56,共3页Chinese Journal of Analysis Laboratory

基　　金：上海市纳米科技专项基金资助(0252nm011)

摘　　要：利用芳胺的重氮化偶合反应,采用PLS法,对于吸收重叠的3组分芳胺类化合物体系进行同时测定,对同时测定的条件进行了优化。并用此方法测定了以高压紫外汞灯为光源,纳米锐钛矿相TiO2为催化剂,光催化降解苯胺、甲萘胺、邻氯苯胺3组分过程中各组分浓度。实验证明对合成样本,回收率在91.3%～110.0%之间。多组分同时催化结果与单组分催化结果之间的偏差在-4.7～3.0之间。Based on the diazo-couping reaction of aniline, α-naphthylamine and o-chloraniline with α-naphthol the azo compounds were formed in borax-sodium hydroxide buffer solution (pH 12.0). As the spectra of azo compounds were seriously overlapped with each other, the PLS method was used to analyze them. The experimental conditions were optimized. The results showed that the recovery was 91.3%～110.0%. The method was applied in the analysis of the three components in the process of photocatalytic degradation using titanium dioxide nanoparticles as the catalyst.

关 键 词：偏最小二乘法 同时测定 纳米锐钛矿相二氧化钛 光催化降解 苯胺 邻氯苯胺 甲萘胺 污水处理 芳胺 重氮化偶合反应 

分 类 号：X703.1[环境科学与工程—环境工程]