Miss Teerayanee Chaipet and Miss Khwanchanok Sankampang, Master student (International program) from TAB-CoE, Division of Physical Science (chemistry), under the Development and Promotion of Science and Technology Talents Project (DPST) funding, took short-term studied for 6 month during December 5th, 2022 – May 18th 2023 at Affordable and Sustainable Sample Preparation (AS2P) Research group, Department of Analytical Chemistry, University of Cordoba, Cordoba, Spain, under supervision of Prof. Dr. Rafael Lucena Rodriguez. Their work studied about chromatograph techniques and analytical chemistry. It is good experience for students get, so that, they can be further applied to their future research work.