METHODS FOR SAMPLING AND
INORGANIC ANALYSIS OF COAL
U.S. Geological Survey Bulletin 1823
Edited by D.W. Golightly and F.O. Simon
Table 31. Pyritic sulfur in coal by direct method
|Pyritic Sulfur Concentration (percent)|
Standards are from Alpha Resources (1985).
bPyritic sulfur concentrations measured in U.S. Geological Survey laboratories. Values shown for each coal standard are the arithmetic mean and standard deviation for n measurements, where n is the number in Parentheses.
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