Colorimetric detection and removal of copper(II) ions from wastewater samples using tailor-made composite adsorbent

Awual, M. R.; Hasan, M. M.*

Sensors and Actuators B; Chemical, 206, p.692 - 700, 2015/01

https://doi.org/10.1016/j.snb.2014.09.086

The nitrogen donor ligand was functionalized with polarable mesoporous silica as composite adsorbent, by a cost-effective and environmentally friendly procedure, for highly selective Cu(II) ions detection and removal from water. The composite adsorbent permitted fast and specific Cu(II) ions capturing via colorimetric naked eye detection based on stable complexation mechanism. The adsorbent was selective toward Cu(II) as shown by a light yellow to green color change. This was characterized by UVvis spectroscopy and the color change was observed for the visual detection of Cu(II) ions. The data also confirmed that the adsorbent is a cost-effective and environmentally friendly procedure for Cu(II) treatment.