Analysis of polycyclic aromatic hydrocarbons by sensitized room temperature phosphorescence

被引：9
|
作者：
Goryacheva, I. [1 ]
Shtykov, S. [1 ]
Melnikov, G. [2 ]
Fedorenko, E. [1 ]
机构：
[1] Saratov NG Chernyshevskii State Univ, Dept Chem, Saratov 410026, Russia
[2] Saratov State Tech Univ, Dept Appl Phys, Saratov 410054, Russia
来源：
ENVIRONMENTAL CHEMISTRY LETTERS | 2003年 / 1卷 / 01期
基金：
俄罗斯基础研究基金会;
关键词：
Pollutants; Polycyclic aromatic hydrocarbons determination; Phosphorimetry;
D O I：
10.1007/s10311-002-0020-5
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Direct and selective simultaneous determination of several polycyclic aromatic hydrocarbons by sensitized room temperature phosphorescence in sodium dodecylsulphate micellar solutions was studied. This approach improved, for example, the selectivity factor in determining pyrene in the presence of fluoranthene by a factor of 350, and determined benz[a]anthracene and anthracene in the presence of pyrene with the selectivity factors as high as 200-220. Triphaflavine and acridine orange as triplet energy donors, thallium (I) nitrate as a heavy atom, and sodium sulphite were used as scavengers of oxygen. A comparative study of linear concentration ranges, detection limits and selectivity factors is presented here for pyrene, benz[a]anthracene and anthracene determination by fluorescence, phosphorescence and sensitized phosphorescence.
引用
收藏
页码：82 / 85
页数：4
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