NIMT cordially invited Dr. rer. nat. Jochen Vogl, Researcher from Division 1.1 Inorganic Trace Analysis, Bundesanstalt für Materialforschung und –prüfung (BAM), Berlin, Germany, to visit NIMT to provide training on Isotope ratio measurement by ICP-SFMS. He has been an expert on Isotope ratio measurement and Quantitative analysis using IDMS, and a Vice-Chair of CCQM Working Group on Isotope Ratios (CCQM-IRWG). The training was particularly designed for the staff of Chemical Metrology and Biometry department. It was held at Matra Dhamrong building, Pathumthani province on 6 – 14 December 2023.