the resonances of 0.9-1.8 ppm, 1.5-2.6 ppm and 3.8-4.1 ppm for 1H, 10-40 ppm and 60-80 ppm for13C. The results from GC-MS …. Gas chromatography-mass spectrometry (GC-MS)coupled with a trace GC and a nuclear magnetic resonance (NMR) spectrometer …

the resonances of 0.9-1.8 ppm, 1.5-2.6 ppm and 3.8-4.1 ppm for 1H, 10-40 ppm and 60-80 ppm for13C. The results from GC-MS …. Gas chromatography-mass spectrometry (GC-MS)coupled with a trace GC and a nuclear magnetic resonance (NMR) spectrometer …

esters were analyzed by GC-MS. We then characterized important physical properties of methyl esters such as kinematic …

esters were analyzed by GC-MS. We then characterized important physical properties of methyl esters such as kinematic …

was separated by silica gel column chromatography method, then separated and identified by GC-MS after been methyl …

monitoring the transesterification reaction progress while GC-MS analysis was performed to evaluate the compositional analysis of …

pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS). The catalysts applied in this study were nano MgO, CaO, TiO<sub>2 …