基于独居石标样Trebilcock的激光剥蚀等离子体质谱 微区原位U⁃Th⁃Pb同位素定年方法
胡欢, 王汝成, 邵春景, 谢磊, 田恩农, 车旭东, 杨兆钰

In situ LA⁃ICP⁃MS U⁃Th⁃Pb isotopic dating of monazite based on the monazite standard Trebilcock
Huan Hu, Rucheng Wang, Chunjing Shao, Lei Xie, En'nong Tian, Xudong Che, Zhaoyu Yang
图2 (a,c)积分时间为22~52 s时不同激光剥蚀条件下206Pb/238U和208Pb/232Th分馏指数箱线图;(b,d)积分时间为25~55 s时不同激光剥蚀条件下206Pb/238U和208Pb/232Th分馏指数箱线图
Fig.2 (a,c) The box diagrams of 206Pb/238U and 208Pb/232Th fractional index for different laser ablation conditions and integration time of signal selection 22~52 s,(b,d) the box diagram of 206Pb/238U and 208Pb/232Th fractional index for different laser ablation conditions and integration time of signal selection 25~55 s