Astuti I, Mahatmanti F, Setyadji M, Sudibyo R. Leaching Time and Nitric Acid Concentration Effect on the Separation of Lanthanum and Neodymium Elements from Neodymium Concentrates. ijcs [Internet]. 3May2021 [cited 27Jul.2024];10(1):15-0. Available from: https://journal.unnes.ac.id/sju/ijcs/article/view/46066