MOGHIMI A. Solid Phase Extraction of Ultra Trace Copper(II) Using Octadecyl Silica Membrane Disks Modified by Phendion Schiff Base. ajc [Internet]. 2010 Mar. 30 [cited 2024 Aug. 26];20(1):397-408. Available from: https://asianpubs.org/index.php/ajchem/article/view/19423