Ahmed IM, Ammanoeil RN, Saad EA, Daoud JA. Purification of Crude Phosphoric Acid and Leached Apatite by Solvent Extraction with CYANEX 923 in Kerosene. Period. Polytech. Chem. Eng. [Internet]. 2019 Jan. 1 [cited 2024 Dec. 22];63(1):122-9. Available from: https://pp.bme.hu/ch/article/view/11626