Journal of Chemistry / 2014 / Article / Tab 1

Research Article

A Comparative Study of the Effect of MgO and CaCO3 as Support Materials in the Synthesis of Carbon Nanotubes with Fe/Co as Catalyst

Table 1

Quantitative analysis of elements and atoms obtained from energy dispersive spectroscopy of Fe/Co catalyst supported on magnesium oxide and calcium carbonate.

ElementFe/Co/MgOFe/Co/CaCO3
Element (% weight)Atom (%)Peak height (au)Element (% weight)Atom (%)Peak height (au)

Carbon (C)27.1133.203032627.1533.2525528
Oxygen (O)72.4666.61159872.4966.64626
Magnesium (Mg)0.220.13892
Calcium0.170.06296
Iron0.140.043120.090.02261
Cobalt0.070.023120.100.03261

Total100100100100