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Molecular structure of a brown coal

✍ Scribed by Klaus J. Hüttinger; Alexander W. Michenfelder


Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
216 KB
Volume
66
Category
Article
ISSN
0016-2361

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Molecular components of coal and coal st
✍ Danuta Bodzek; Anna Marzec 📂 Article 📅 1981 🏛 Elsevier Science 🌐 English ⚖ 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