METHODS FOR SAMPLING AND
INORGANIC ANALYSIS OF COAL
U.S. Geological Survey
Bulletin 1823
Edited by D.W. Golightly and F.O. Simon
Table 32. Organically bound sulfur in coal by direct method
| Organic Sulfur Concentration (percent) | ||||
| Standard | Measuredb | nb | ||
| 771 | 0.56 ± 0.02 | (3) | ||
| 774 | 0.49 | (2) | ||
| 775 | 0.59 | (2) | ||
| 780 | 1.08 | (2) | ||
| 782 | 1.61 | (2) | ||
| aSource:
Standards are from Alpha Resources, Inc. (1985). bOrganic 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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