An improved method for high precision measurement of chromium isotopes using double spike MC-ICP-MS

Jianming Zhu1, Guang-Liang Wu2, Xiangli L Wang3, Li-Xin Zhang2 and Guilin Han2, (1)China University of Geosciences Beijing, State Key Laboratory of Geological Processes and Mineral Resources, Beijing, China, (2)State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences Beijing, Beijing, China, (3)Yale University, Department of Geology and Geophysics, New Haven, CT, United States