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Analytical methods used by the U. S. Geological Survey for determining the chemical composition of coal

F.O. Simon, Claude Huffman

Abstract

USGS has undertaken a program to sample and analyze all active coal mines in the U.S. The analysis is for the percent ash, composition of ash, and trace elements in ash and raw coal. The methods used, including various spectroscopic methods and activation analysis, and their accuracy are discussed. (DLC)

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Key concepts: Coal, Composition (language), Geological survey, Environmental science, Mineralogy, Chemical composition, Waste management, Geology