Dari Jaafar A, Wafaa Abdulkadhim Zghair, Shahrazad Rifat Raouf. Extraction of Platinum From Spent Catalyst as pt/Al2O3 in aqua regia. DJES [Internet]. 2019 Sep. 1 [cited 2024 Jul. 7];12(3):8-14. Available from: https://mail.djes.info/index.php/djes/article/view/60