Optimization Study in Biodiesel Production via Response Surface Methodology Using Dolomite as a Heterogeneous Catalyst

Table 1

Elemental chemical composition (atom) of the naturally occurring dolomite determined by using X-ray fluorescence spectroscopy.

Element	Percentage (wt%)
Ca	77.0
Mg	17.7
Si	4.6
Other components (Fe, Al, K)	0.7