The Chemical Analysis of Argonne Premium Coal Samples
Edited by Curtis A. Palmer
1997
U.S. Geological Survey Bulletin 2144
Determination of Carbon, Hydrogen, and Nitrogen in Eight Argonne Premium Coal Samples by Using a Gas Chromatographic Analyzer with a Thermal Conductivity Detector
By Carol J. Skeen and Zoe A. Brown
Table 1. Comparison of published concentrations of carbon, hydrogen, and nitrogen in NIST standard reference material 1635b (coal) with concentrations determined in this study by using a gas chromatographic analyzer with a thermal conductivity detector (GC/TCD).
[All concentrations are in weight percent. NIST, National INstitute of Standards and Technology, formerly the National Bureau of Standrds (NBS)]
| Element | This study, GC/TCD |
NBS (1978) | Gladney and others (1987) | ||
| C | 63.0 | 62.2 | 1.8 | 62.6 | |
| H | 3.98 | 3.96 | 0.03 | 4.07 | |
| N | 1.5 | 1.0 | 0.1 | 1.26 | |
Table 2. Comparison of published concentrations of carbon, hydrogen, and nitrogen in eight Argonne Premium Coals with concentrations determined in this study by using a gas chromatographic analzer with a thermal conductivity detector (GC/TCD).
[All concentrations are in weight percent]
| Coal samples | C | H | N | |||
| This study | Vorres (1990) | This study | Vorres (1990) | This study | Vorres (1990) | |
| UF PC-1-1 | 77 | 4.6 | 2.2 | |||
| UF PC-1-2 | 76 | 4.7 | 1.8 | |||
| UF PC-1-3 | -- | -- | -- | |||
| UF Average | 77 | 74.23 | 4.7 | 4.08 | 2.0 | 1.35 |
| WY PC-2-1 | 60 | 4.4 | 1.2 | |||
| WY PC-2-2 | 60 | 4.6 | 1.2 | |||
| WY PC-2-3 | -- | -- | -- | |||
| WY Average | 60 | 68.43 | 4.5 | 4.88 | 1.2 | 1.02 |
| WY Repeat | 61 | |||||
| IL PC-3-1 | 64 | 4.5 | 1.6 | |||
| IL PC-3-2 | 65 | 4.5 | 1.8 | |||
| IL PC-3-3 | -- | -- | -- | |||
| IL Average | 65 | 65.65 | 4.5 | 4.23 | 1.7 | 1.16 |
| PITT PC-4-1 | 74 | 5.0 | 2.2 | |||
| PITT PC-4-2 | 75 | 5.0 | 2.0 | |||
| PITT PC-4-3 | -- | -- | -- | |||
| PITT Average | 75 | 75.50 | 5.0 | 4.83 | 2.1 | 1.49 |
| POC PC-5-1 | 86 | 4.4 | 1.9 | |||
| POC PC-5-2 | 86 | 4.3 | 2.0 | |||
| POC PC-5-3 | -- | -- | -- | |||
| POC Average | 86 | 86.71 | 4.4 | 4.23 | 2.0 | 1.27 |
| UT PC-6-1 | 72 | 5.5 | 1.6 | |||
| UT PC-6-2 | 74 | 5.5 | 1.8 | |||
| UT PC-6-3 | 74 | 5.6 | 1.4 | |||
| UT Average | 73 | 76.89 | 5.5 | 5.49 | 1.6 | 1.50 |
| WV PC-7-1 | 64 | 4.3 | 1.3 | |||
| WV PC-7-2 | 65 | 4.3 | 1.4 | |||
| WV PC-7-3 | 66 | 4.2 | 1.4 | |||
| WV Average | 65 | 66.20 | 4.3 | 4.21 | 1.4 | 1.25 |
| ND PC-8-1 | 56 | 3.8 | 1.2 | |||
| ND PC-8-2 | 57 | 3.7 | 1.0 | |||
| ND PC-8-3 | 57 | 3.7 | .93 | |||
| ND Average | 57 | 65.85 | 3.7 | 4.36 | 1.0 | 1.04 |
| ND Repeat | 57 | |||||
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