Skip to main content
. 2018 Feb 2;8(11):5685–5694. doi: 10.1039/c7ra13603j

Thermodynamic parameters for the adsorption of Pb2+ onto the Fe3O4@DHAQ_GO nanocomposite (adsorbent dosage 55 mg L−1, contact time 60 min, pH 7).

T K L (L g−1) q m (mg g−1) ΔG0 (kJ mol−1) ΔS0 (J mol−1 K) ΔH0 (kJ mol−1)
278 0.388 200.7 −13.79 135.97 24.07
293 0.598 239.4 −15.58
308 1.178 225.3 −18.12
323 1.546 243.1 −19.73