International Scholarly Research Notices

Research Article

Amino-Functionalization of Multiwall Carbon Nanotubes and Its Use for Solid Phase Extraction of Mercury Ions from Fish Sample

Table 3

Comparison of the analytical results on different CNTs adsorption methods.
MetalKind of sorbentAdsorption capacity (mg/g)Reference
Hg2+Amino-functionalized MWCNTs11.58This method
Pb2+MWCNTs5.50–16.40[6]
Pb2+Oxidized MWCNTs22.5, 59 and 11.2[14–16]
Cd2+Oxidized MWCNTs1.1–11[16, 18]
Ni2+Oxidized MWCNTs9–47.85[10]
Zn2+Oxidized MWCNTs10.21–32.68[18, 19]
Cu2+Oxidized MWCNTs7.5–11.3[11, 19]
Sr2+& Eu2+Oxidized MWCNTs—[13]
Co2+L-Tyrosine on oxidized MWCNTs1.18–2.21[28]