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 2

Peaks obtained from X-ray diffraction of Fe/Co catalyst supported on magnesium oxide and calcium carbonate.

Support	2 Theta degrees (2𝜃)
MgO	25.97	35.27	42.57	44.46
CaCO3	26.00	35.11	42.43	44.46