Advances in Equipment for Deep Ultra-Violet Excimer Laser Ablation Coupled Plasma Mass and Optical Emission Spectrometry
GONG Ge-lian1, 2, YOU Li-bing3, LI Cong-ying4, FANG Xiao-dong3, SUN Wei-dong4, 5, 6
1. State Key Laboratory of Isotope Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
2. CAS Center for Excellence in Deep Earth Science, Guangzhou 510640, China
3. Anhui Provincial Key Laboratory of Photonic Devices and Materials, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China
4. Center of Deep Sea Research, Ocean Mega-Science Center, Institute of Oceanography, Chinese Academy of Sciences, Qingdao 266071, China
5. Laboratory for Marine Mineral Resources, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China
6. University of Chinese Academy of Sciences, Beijing 100094, China
Abstract：The sample’s elemental and isotopic content information can be obtained by inductively coupled plasma mass and optical emission spectrometry analysis of excimer laser ablated products. Excimer laser ablation coupled mass and optical emission spectrometry are among the most important analytical techniques suitable for in situ microanalyses. Excimer laser ablation based sampling technique coupled with either ICP mass spectrometry or optical emission spectrometry techniques have witnessed widely applications in geology, materials science, environmental science, and even life science research. The combination of excimer laser ablation sampling technique and plasma analysis techniques fully demonstrates their respective advantages: the former’s in-situ sampling solid surface feature satisfying both the needs of evaluating elemental or isotopic concentration with high space-resolution and avoidance of polluted problem during sample pretreatment, furthermore, high-energy laser of pulse width ranging from nanosecond to femtosecond, low thermal effect resulting from ablation of solid sample surface and leading to less elemental or isotopic fractionation effects in laser ablation products which can fully represent the original elemental or isotopic information in analytes; either ICP mass spectrometry or optical emission spectrometry-based techniques have been applied successfully to investigate elemental or isotopic information in analytes, and the tandem of laser sampling technique with ICP mass technique have already produced various in-situ elemental and isotopic concentrations data in solid surface samples with high quality; simultaneously integrated ICP mass spectrometry with optical emission spectrometry has been recently proposed for chemical analysis in analyte, aiming at improve elemental and isotopic analysis accuracy and precision based on ICP mass and OES techniques. This paper introduces our instrumental construction solution of excimer laser ablation coupled with plasma mass and optical emission spectrometry analysis techniques, and the technical problems and key experimental verification of independent research and relevant developments have been summarized and prospected.
Key words：Excimer laser ablation; Plasma; Mass spectrometry and optical emission spectrometry analysis; Elemental and isotopic analysis
龚革联，游利兵，李聪颖，方晓东，孙卫东. 准分子激光取样与电感耦合等离子体质谱和光谱联用分析仪器研究进展[J]. 光谱学与光谱分析, 2022, 42(02): 555-560.
GONG Ge-lian, YOU Li-bing, LI Cong-ying, FANG Xiao-dong, SUN Wei-dong. Advances in Equipment for Deep Ultra-Violet Excimer Laser Ablation Coupled Plasma Mass and Optical Emission Spectrometry. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2022, 42(02): 555-560.
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