Electrochemical Extraction with Supported Liquid Membrane for Removing Copper from Synthetic Wastewater: Optimisation through Response Surface Methodology. alkej [Internet]. 2024 Sep. 1 [cited 2025 Mar. 29];20(3):1-10. Available from: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/920