13C Solid-state n.m.r. spectra of Shanxi
โ
Huaying Huai; Christopher J. Groombridge; Andrew C. Scott; Alec F. Gaines
๐
Article
๐
1996
๐
Elsevier Science
๐
English
โ 599 KB
13C solid-state n.m.r, spectra of samples of 14 coals and their pyridine residues representative of the three depositions in the Shanxi province of the People's Republic of China are described in detail. The results confirm those of previous infrared spectroscopy in showing these vitrinite-inertinit