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Review on Application of Laser Ablation Spectroscopy(LAS) Coupled with Inductively Coupled Plasma Mass Spectrometry(ICP-MS)

TAN Jing,GUO Dongfa,ZHANG Yanhui(Analytical Laboratory,Beijing Research Institute of Uranium Geology,Beijing 100029,China)  
Laser ablation spectroscopy(LAS) is an elemental analysis method that requires in principle only optical access to sample surface and can therefore be used as a real in-situ method.The advantages of LAS include fast speed of analysis,ease or absence of sample preparation,relatively low cost,and possibility to build portable instruments for real field analysis.However,its major restriction is poorer detection capabilities for trace elements compared to inductively coupled plasma mass spectrometry(ICP-MS).ICP-MS is a powerful tool for multi-element and isotopic analysis with high sensitivity and low detection limit.But it is difficult to analyze elements of the matrix using ICP-MS.Combination of LAS with ICP-MS can overcome the weaknesses of each technique.This paper gives a review on the application and developmental trend of LAS-ICP-MS especially in the fields such as geology,mining and metallurgy,material analysis,environment monitoring and biomedicine in last ten years.
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