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首页> 外文期刊>Journal of Analytical Atomic Spectrometry >Initial Performance Metrics Of A New Custom-designed Arf Excimer La-icpms System Coupled To A Two-volume Laser-ablation Cell
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Initial Performance Metrics Of A New Custom-designed Arf Excimer La-icpms System Coupled To A Two-volume Laser-ablation Cell

机译:新的定制设计的Arf准分子La-icpms系统与两个体积的激光烧蚀池耦合的初始性能指标

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摘要

A new custom-built excimer (193 nm) laser-ablation system with two-volume laser-ablation cell coupled to a quadrupole ICPMS is described, which combines rapid (<1.5 s for 99%) signal washout with full flexibility in sample size (50 × 50 × 25 mm) and high sensitivity (>10000 cps/ppm for mid-high m/z, 55 μm, 5 Hz). An application of reconstructing medieval Pb exposure highlights the need for rapid signal washout in unravelling strongly varying Pb peaks in well-preserved archaeological tooth enamel.
机译:描述了一种新的定制激元(193 nm)激光消融系统,该系统具有耦合至四极杆ICPMS的两体积激光消融池,该系统结合了快速的信号冲刷(<1.5 s,99%)和样品大小的完全灵活性50×50×25 mm)和高灵敏度(中高m / z,55μm,5 Hz时> 10000 cps / ppm)。重建中世纪铅暴露的应用突出显示了在保存完好的考古牙釉质中揭示强烈变化的铅峰值时需要快速清除信号的需求。

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