Trends in preconcentration procedures for metal determination using atomic spectrometry techniques

被引:178
作者
Pereira, MD [1 ]
Arruda, MAZ [1 ]
机构
[1] Univ Estadual Campinas, UNICAMP, Dept Analyt Chem, BR-13083970 Campinas, SP, Brazil
关键词
metal trace analyses; atomic spectrometry techniques; preconcentration procedures;
D O I
10.1007/s00604-002-0941-5
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Methods for metal preconcentration are often described in the literature. However, purposes are often different, depending on whether the methods are applied in environmental, clinical or technological fields. The respective method needs to be efficient, give high sensitivity, and ideally also is selective which is useful when used in combination with atomic spectroscopy. This review presents the actual tendencies in metal preconcentration using techniques such as Flame Atomic Absorption Spectrometry (FAAS), Electrothermal Atomic Absorption Spectrometry (ETAAS), Hydride Generation Atomic Absorption Spectrometry (HGAAS), Inductively Coupled Plasma Optical Emission Spectrometry (ICP OES) and Inductively Coupled Plasma Mass Spectrometry (ICP-MS). Procedures based on related to electrochemical, coprecipitation/precipitation, liquid-liquid and solid-liquid extraction and atom trapping mechanisms are presented.
引用
收藏
页码:115 / 131
页数:17
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