A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is
DISCLAIMER N a l h the Un'w Stne Gwrnnrnl mr my sposy theeot, no+ arm of thar wwwar, mmny mmnnclal pradun, pecea. or m i c e by tnds nm, md.rmrk. msnuhcntnr. or -, ma nor nocsrslrllv mnntturs or lmplv Ita andonmsnt, nxommsnd&ion, or faorlnp by Iha U n W I l l i n o i s No. 6 coal was extracted with pyridfne a t 100° and t h e toluene-insoluble, pyridine-soluble (TIPS) f r a c t i o n of the e x t r a c t was used a s a model fox the 84% of insoluble coal. Various TIPS f r a c t i o n s haddoi:10.2172/6099030 fatcat:k5xb2qxowfh27nide6si2c4sn4