[M-IS25] Developments and applications of non-destructive measurement techniques in natural archives

[MIS25-P02] Evaluation of temporal variability of ITRAX in Kochi and estimation of measurement uncertainty

*Arisa Seki¹, Ryuji Tada², Masafumi Murayama^3,4, Takuya Matsuzaki⁴, Shinsuke Yagyu⁴ (1. Fukada Geological Institute, 2. Institute for Geo-Cosmology, Chiba Institute of Technology, 3. Faculty of Agriculture and Marine Science, Kochi University, 4. Marine Core Research Institute, Kochi University)

Keywords:XRF core scanner, ITRAX, Aging effect of X-ray tube, measurement uncertainty, estimation of elemental concentrations, Kochi Core Center (KCC)