Resonance Rayleigh Scattering of Palladium(II)-tartrazine-ionic Liquid System and Its Analytical Application

被引：0

作者：

Chen, Zhidong ^{[1
,2
]}

Xiao, Ying ^{[1
,2
]}

Zeng, Yanbo ^{[1
]}

Li, Lei ^{[1
,2
]}

Lu, Qiying ^{[1
,2
]}

Wang, Weijuan ^{[1
,2
]}

机构：

[1] Jiaxing Univ, Coll Biol & Chem Engn, Jiaxing 314001, Peoples R China

[2] Jiangsu Polytech Univ, Coll Chem & Chem Engn, Changzhou 213016, Peoples R China

来源：

ACTA CHIMICA SINICA | 2010年 / 68卷 / 04期

关键词：

tartrazine; resonance Rayleigh scattering; palladium(II); ionic liquid; beverage; ANIONIC SURFACTANTS; COLORANTS; SPECTRA; CHELATE; DYES;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In pH 2.0 similar to 6.0 Britton-Robinson solution, palladium(II) was reacted with tartrazine to form a complex anion, which was further reacted with ionic liquid to form an anion-association complex, resulting in the change of the resonance Rayleigh scattering (RRS), and its maximum RRS peak was located at 458 nm. The RRS intensity is proportional to the concentration of tartrazine in the range of 0.043 similar to 0.860 mu g/mL. The method shows high sensitivity and good selectivity, with the detection limit for tartrazine being 5.5 ng/mL (n=11). The method can be applied to the determination of tartrazine in beverage.

引用

页码：334 / 338

页数：5

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