Molecular components of coal and coal st
β
Danuta Bodzek; Anna Marzec
π
Article
π
1981
π
Elsevier Science
π
English
β 458 KB
A high-volatile bituminous coal was extracted at room temperature by various organic solvents. The yields of the extracts ranged from 4.5 wt% daf (ethanol/benzene extract) to 38 wt% daf (pyridine/ethylenediamine extract). The extracts were analysed by FI mass spectrometry; the volatile part (75-80 w