Sha, Ou, Yun Zhou, and Wei-Xing Ma. “Extraction and Determination of Copper(II) from Wastewater With Hydrophilic Ionic Liquid-Salt Aqueous Two-Phase System”. Asian Journal of Chemistry 24, no. 2 (November 3, 2011): 683–685. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/8642.