TÖRÖK, Anamaria Iulia; TĂNĂSELIA, Claudiu; ROMAN, Cecilia; PUSKAS, Ferenc; SENILA, Marin. EX-SITU PORTABLE X-RAY FLUORESCENCE SPECTROMETRY FOR THE MAJOR ELEMENTS DETERMINATION IN SILICATE GEOLOGICAL SAMPLES USING MATRIX-MATCHING STANDARDS FOR CALIBRATION. Studia Universitatis Babeș-Bolyai Chemia, [S. l.], v. 66, n. 2, p. 117–126, 2021. DOI: 10.24193/subbchem.2021.2.10. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/chemia/article/view/7865. Acesso em: 12 mar. 2025.