METHODS FOR SAMPLING AND
INORGANIC ANALYSIS OF COAL
U.S. Geological Survey Bulletin 1823
Edited by D.W. Golightly and F.O. Simon
Table 30. Pyritic sulfur in coal
|Pyritic Sulfur Concentration (percent)|
Accepted pyritic sulfur concentrations for standards are
from Alpha Resources, Inc. (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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