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95/05608 Studies of reduction and reductive alkylation of coals in the potassium/liquid ammonia system. 2. Characterization of coal extracts

Publisher
Elsevier Science
Year
1995
Weight
184 KB
Volume
36
Category
Article
ISSN
0140-6701

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Studies of reduction and reductive alkylation of coals in the potassium/liquid ammonia system. 2. Characterization of coal extracts
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The products of reduction and reductive alkylation of five demineralized coals run in a system of potassium/ liquid ammonia were subject to extraction by methylene chloride and n-pentane. The paper reports infrared and nuclear magnetic resonance (n.m.r.) characteristics of the extracts and the resul

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Two Polish coals and an anthracite were subjected to four-stage reduction in potassium/liquid ammonia. After each stage, solubility of the products in methylene chloride was studied. Extraction yield was found to increase with increasing number of stages. The highest yield of transformation to solub