Comparison of signal intensities and elemental fractionations in 257 nm femtosecond LA-ICP-MS using Helium and Argon as carrier gases

Luo Tao1, Zhaochu Hu2, Zhang Wen1, Xu Lei1, Yongsheng Liu1 and He Tao1, (1)China University of Geosciences Wuhan, Wuhan, China, (2)China University of Geosciences Wuhan, State Key Laboratory of Geological Processes and Mineral Resources, Wuhan, China