%0 Journal Article %T Applicability of GPC, GC-MS and 13C NMR techniques and DFRC method in comparative structural studies of Lignin %J International Journal of Lignocellulosic Products %I Gorgan University Of Agricultural Sciences and Natural Resources %Z 2588-5766 %A Mirshokraie, S.A. %A Haji Aghaei, V. %A Partovi, T. %A Noroozi, S. %D 2014 %\ 12/01/2014 %V 1 %N 1 %P 58-71 %! Applicability of GPC, GC-MS and 13C NMR techniques and DFRC method in comparative structural studies of Lignin %K Bagasse %K Chromatography %K CMP dioxane lignin %K Derivatization followed by ‎reductive cleavage (DFRC) %K Soda lignin %K Spectroscopy.‎ %R 10.22069/ijlp.2014.1924 %X In this research, the characteristics of CMP dioxane lignin (hardwood origin) and soda bagasse lignin (ethanol soluble fraction) and dioxane lignin of bagasse were studied using gel permeation chromatography, gas chromatography-mass spectrometry and 13C NMR spectroscopy and DFRC degradation procedure. The results indicated that the main structural units in lignins are phenyl propane skeletons bonded at β-O-4 positions. %U https://ijlp.gau.ac.ir/article_1924_1934411b3690a09c06ff7b2d1d3bd0b7.pdf