Research Article
Ghanaian Clay as a Catalyst for Transesterificating Shea Butter Oil as Alternative Feedstock for Green Energy Production
Figure 8
Chromatogram of shea butter methyl esters: (1) petroleum ether (solvent); (2) tetradecane (used as internal standard); (3) methyl palmitate (C16 : 0); (4) methyl linoleate (C18 : 2(cis-9,12); (5) methyl oleate (C18 : 1(trans-9)); (6) methyl stearate (C18 : 0) and (7) methyl arachidate (C20 : 0).