Fig. 2From: Esterification of glycerol from biodiesel production to glycerol carbonate in non-catalytic supercritical dimethyl carbonateHPLC chromatogram of pure glycerol after treatment in supercritical dimethyl carbonate at 300 °C/20 MPa/15 min without any catalyst applied. Standards of glycerol and glycerol carbonate are shown as authentic compoundsBack to article page