Facile Separation of Gadolinium(III) from Samarium(III) and Lanthanum(III) by Emulsion Liquid Membrane and the Optimization with the Box‐Behnken Design Method. - Pratomo, Uji; Wyantuti, Santhy; Fransisca, Natasha; Bahti, Husein Hernandi; Fauzia, Retna Putri; Hardianto, Ari; Sumeru, Husain Akbar; Setiani, Dwi Ratna; Agustini, Tiny; Effendi, Syulastri (ChemistryOpen, 2025)