Validation of Modification of Volumetric Methode of Determination of Sn (Tin) Concentration on Tin Concentrates: Validasi Modifikasi Metode Volumetrik Penentuan Konsentrasi Sn (Timah) Pada Konsentrat Timah. Stannum [Internet]. 2021 Dec. 26 [cited 2026 Jul. 23];3(2):41-8. Available from: https://journal.ubb.ac.id/index.php/stannum/article/view/2338