Characterization of organic material in
โ
Gary E. Maciel; Victor J. Bartuska; Francis P. Miknis
๐
Article
๐
1979
๐
Elsevier Science
๐
English
โ 516 KB
13C n.m r spectra have been obtained on ten solid coal samples of various types and on three coal-. . derived materials, using high-power proton decoupling, cross polarization and magic-angle spinning, and provide valuable information on the carbon distribution between aromatic and non-aromatic stru