Determination of trace tin by solid substrate-room temperature phosphorimetry using sodium dodecyl sulfate as sensitizer

被引：8
作者：
Liu, JM [1 ]
Zhu, GH
Yang, TL
Wu, AH
Fu, Y
Li, LD
机构：
[1] Zhangzhou Normal Coll, Dept Chem, Zhangzhou 363000, Peoples R China
[2] Tsing Hua Univ, Dept Chem, Beijing 100084, Peoples R China
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2003年 / 59卷 / 09期
基金：
中国国家自然科学基金;
关键词：
solid substrate-room temperature phosphorescence; tin; morin; sensitization; sodium lauryl sulfate;
D O I：
10.1016/S1386-1425(03)00005-2
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The effects of different surfactants on solid substrate-room temperature phosphorescence (SS-RTP) properties of Sn4+-morin systems were investigated. It was found that the SS-RTP intensity of luminescence system was increased greatly in presence of sodium dodecyl sulfate (SDS). A new highly sensitive method for the determination of trace tin has been proposed based on sensitization of SDS on SS-RTP intensity of morin-tin system on the filter paper substrate. The linear dynamic range of this method is 8.0-112 ag per spot (with the volume of 0.4 mul per spot) with a detection limit of 4.0 ag per spot, and the regression equation is DeltaIp = 199.7 + 3.456m(Sn(IV)) (ag per spot), with the correlation coefficient r = 0.9998 (n = 7). This simple, rapid and reproducible method has been applied to determine the amount of tin in real samples with satisfactory results. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：2081 / 2085
页数：5
相关论文
共 17 条
12