New procedures for arsenic speciation: a review.
Considerable analytical methods have been developed for arsenic speciation in the last 5 years, the details of these new arsenic speciation procedures are thus summarized in present mini review. The performances of various sample pretreatment techniques including solid phase extraction, liquid-liquid extraction, hydride generation, liquid chromatography and capillary electrophoresis, which offer effective preconcentration/separation and eventually contribute greatly to excellent sensitivity and selectivity in arsenic speciation when coupling with suitable detection mode, are discussed and compared thoroughly. High-performance liquid chromatography coupling with inductively coupled plasma mass spectrometry and hydride generation atomic spectrometry are proved to be the most powerful hyphenated methodologies for arsenic speciation in environmental and biological matrices.
Research Center for Analytical Sciences, College of Sciences, Northeastern University, Box 332, Shenyang 110819, China.
Ming-Li
ML
Chen
Research Center for Analytical Sciences, College of Sciences, Northeastern University, Box 332, Shenyang 110819, China.
Lin-Yu
LY
Ma
Research Center for Analytical Sciences, College of Sciences, Northeastern University, Box 332, Shenyang 110819, China. Electronic address: chenxuwei@mail.neu.edu.cn.
Xu-Wei
XW
Chen
D001151:Arsenic / Q000737:chemistry*; D002853:Chromatography, Liquid; D019075:Electrophoresis, Capillary; D004867:Equipment Design; D006859:Hydrogen / Q000737:chemistry; D059625:Liquid-Liquid Extraction; D052616:Solid Phase Extraction / Q000379:methods; D013054:Spectrophotometry, Atomic / Q000379:methods
D006859:Hydrogen; D001151:Arsenic
Arsenic speciation; Preconcentration/separation; Review; Sample pretreatment