Cloud Point Extraction of Copper, Zinc, Iron and Nickel in Biological and Environmental Samples by Flame Atomic Absorption Spectrometry

被引：61

作者：

Ghaedi, M. ^{[1
]}

Shokrollahi, A. ^{[1
]}

Niknam, K. ^{[2
]}

Soylak, M. ^{[3
]}

机构：

[1] Univ Yasuj, Dept Chem, Yasuj, Iran

[2] Bushehr Univ, Dept Chem, Bushehr, Iran

[3] Erciyes Univ, Dept Chem, Kayseri, Turkey

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 2009年 / 44卷 / 03期

关键词：

2-phenyl-1H-benzo[d]imidazole; cloud point extraction; preconcentration; triton X-114; SOLID-PHASE EXTRACTION; SENSITIZED SPECTROPHOTOMETRIC DETERMINATION; MICELLE-MEDIATED METHODOLOGY; WATER SAMPLES; TRACE AMOUNTS; PRECONCENTRATION; SEPARATION; CHROMIUM; LEAD; NI;

D O I：

10.1080/01496390802437164

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Cloud point methodology was successfully employed for preconcentration of trace copper, zinc, iron, and nickel prior to their determination by flame atomic absorption spectrometry (FAAS). The metals react with 2-phenyl-1H-benzo[d] imidazole (PHBI) in a surfactant Triton X-114 medium. The effects of analytical parameters including pH, amounts of reagents etc. were investigated on the recoveries of analytes. No influences were observed from the matrix ions. The detection limits (3SDb/m) of 1.8, 2.8, 1.4, and 2.1ng mL-1 for Cu2+, Fe3+, Zn2+, and Ni2+, respectively. The method was applied to metal determination in various real samples. The validation of the procedure was carried out by analysis of a certified reference biological material, BCR 185 R liver samples.

引用

页码：773 / 786

页数：14

共 39 条

[1] Cloud point extraction as a procedure of separation and pre-concentration for metal determination using spectroanalytical techniques: A review [J].