<p><span style=\"font-size: small;\"><span style=\"line-height: 200%; font-family: \'Times New Roman\',\'serif\'; mso-bidi-font-family: \'Times New Roman\'; mso-bidi-theme-font: minor-bidi;\" lang=\"EN-US\">Kinetic and thermodynamic studies of Zn<sup>2+ </sup>adsorption onto </span><span style=\"font-family: Times New Roman;\"><span style=\"line-height: 200%; font-family: \'Times New Roman\',\'serif\'; mso-bidi-theme-font: minor-bidi; mso-fareast-font-family: Calibri; mso-fareast-theme-font: minor-latin; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;\" lang=\"EN-US\">super paramagnetic poly (styrene-co-acrylic acid) hydrogel</span></span></span></p>