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16 Fuel science and technology (fundamental science, analysis, instrumentation) 95lO5750
Datarmlnation of chlorine in coal by indirect induc. tiveiy coupled plasma-atomic emission spectromatry
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The anthracite, a low-grade contact metamorphic rock, is found in the Late Permian coal seams which are distributed around the Qitianiing granite body in Hunan province. Their petrological and petrochemical, trace-ele- ## Sources, Winning, Properties ment, rare-earth element and carbon-isotope ge
Analytical methods have been developed for the rapid determination of trace lipid-soluble organic halogenated compounds in biological materials. Biological samples are extracted with a methanol-toluene mixture and, after partitioning with water to remove the inorganic halogens, the resulting toluene
In orde; td study correlations between the 'fractional &version of N to NO and N,O and the N functionalitv in the coal/char. calculations were made of thebondin 8 interactions of g functional grouds and 0,, NO molecules using MOPA 93. It is a general-purpose semiempirical MO package for the study of