Response Surface Methodology for Biodiesel Production Using Calcium Methoxide Catalyst Assisted with Tetrahydrofuran as Cosolvent

Table 5

Optimum reaction conditions and validation test.

Exp. number					Observed FAME (%)	Predicted FAME (%)	Error
1	11.60	2.83	100.14	8.65	98.70	99.43	0.73
2	11.60	2.83	100.14	8.65	99.57	99.43	0.12
3	11.60	2.83	100.14	8.65	99.12	99.43	0.31