“Separation of Ti(IV) and Fe(III) from Aqueous Sulphate Solution by Cyanex 272 [Bis(2,4,4-Trimethylpentyl) Phosphinic Acid] in Kerosene: Separation of Ti and Fe from Sulphate Using Cyanex”. 2009. Biological Sciences - PJSIR 52 (5): 231-38. https://www.v2.pjsir.org/index.php/biological-sciences/article/view/554.