Fig. 4

GC-Mass chromatogram of Tetradesmus obliquus treated with the different concentrations of manganese chloride: A Control, B 0.2 mM Mn, C 0.4 mM Mn and D 0.6 mM Mn after transesterification process
GC-Mass chromatogram of Tetradesmus obliquus treated with the different concentrations of manganese chloride: A Control, B 0.2 mM Mn, C 0.4 mM Mn and D 0.6 mM Mn after transesterification process