The fine-scale mineral matter in three US coals has been analysed via scanning transmission electron microscopy (STEM). The samples observed were a North Dakota lignite, a Kentucky bituminous, and a Pennsylvania semi-anthracite. Specific mineral types, differing among the three coalsexamined, appear
โฆ LIBER โฆ
Collaborative study of quantitative coal mineral analysis using computer-controlled scanning electron microscopy
โ Scribed by Kevin Galbreath; Christopher Zygarlicke; Gary Casuccio; Tracy Moore; Paul Gottlieb; Nicki Agron-Olshina; Gerald Huffman; Anup Shah; Nancy Yang; John Vleeskens; Gerrit Hamburg
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 868 KB
- Volume
- 75
- Category
- Article
- ISSN
- 0016-2361
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Coal samples have been exposed to 0~0, vapour prior to analysis by secondary ion mass spectrometry, scanning electron microscopy and X-ray photoelectron spectrometry. The results, although ambiguous, suggest the presence of double bonds in coals pretreated with FeSO,-CuSO, solutions.