The Chemical Analysis of Argonne Premium Coal Samples
Edited by Curtis A. Palmer
U.S. Geological Survey Bulletin 2144
Comparison of the concentrations of 51 elements determined by multiple analytical techniques in 8 Argonne Premium Coal samples.
Appendix 1. Comparison of the concentrations of 51 elements determined by multiple analytical techniques in 8 Argonne Premium Coal samples--Continued.
[Analyses of splits for each sample are followed by an average. --, no data. See definititions on p. 77]
| Ash (%) | Si (weight percent) | Al (weight percent) | ||||||||
| Technique Material analyzed Location |
550°C WC R |
ICAP-AES Ash D |
WDXRF Ash R |
DCAES Ash R |
DCAES WC R |
WDXRF Ash R |
ICAP-AES Ash R |
ICAP-AES Ash D |
DCAES Ash R |
DCAES WC R |
| UF PC-1-1 | 13.5 | 2.5 | 2.64 | 3.0 | 3 | 1.54 | 1.61 | 1.5 | 2.0 | 2 |
| UF PC-1-2 | 13.5 | 2.6 | 2.69 | 3.0 | 4 | 1.54 | 1.61 | 1.5 | 2.6 | 2 |
| UF PC-1-3 | 13.5 | 2.7 | -- | 3.4 | 3 | -- | 1.59 | 1.6 | 2.6 | 2 |
| AVG PC-1 | 13.5 | 2.6 | 2.67 | 3.1 | 3 | 1.54 | 1.60 | 1.6 | 2.4 | 2 |
| WY PC-2-1 | 8.5 | .99 | 1.23 | 1.3 | .80 | .675 | .695 | .63 | .42 | .47 |
| WY PC-2-2 | 8.5 | 1.0 | 1.25 | 1.3 | 1.00 | .670 | .698 | .63 | .54 | .54 |
| WY PC-2-3 | 8.5 | 1.1 | -- | 1.5 | .52 | -- | .705 | .72 | .61 | .44 |
| AVG PC-2 | 8.5 | 1.0 | 1.24 | 1.4 | .77 | .672 | .699 | .66 | .53 | .48 |
| IL PC-3-1 | 16.2 | 3.1 | 3.04 | 3.6 | 3 | 1.21 | 1.26 | {1.4} | 1.9 | 2 |
| IL PC-3-2 | 16.2 | 3.0 | 3.04 | 3.2 | 4 | 1.20 | 1.25 | 1.3 | 1.9 | 2 |
| IL PC-3-3 | 16.2 | {2.7} | -- | 4.0 | 3 | -- | 1.25 | 1.2 | 2.1 | 2 |
| AVG PC-3 | 16.2 | 2.9 | 3.04 | 3.6 | 3 | 1.21 | 1.25 | 1.3 | 2.0 | 2 |
| PITT PC-4-1 | 9.2 | 1.8 | 1.95 | 2.4 | 2 | .988 | .994 | .97 | 2.2 | 1 |
| PITT PC-4-2 | 9.2 | 1.8 | 1.97 | 2.7 | 3 | .974 | 1.00 | .97 | 1.9 | 2 |
| PITT PC-4-3 | 9.2 | 1.8 | -- | 2.9 | 2 | -- | .994 | {.92} | 2.2 | 2 |
| AVG PC-4 | 9.2 | 1.8 | 1.96 | 2.7 | 2 | .981 | .997 | .96 | 2.1 | 2 |
| POC PC-5-1 | 5.3 | 0.77 | .810 | .95 | .83 | .550 | .551 | {.59} | .64 | .80 |
| POC PC-5-2 | 5.3 | 0.75 | .798 | .90 | 1.00 | .547 | .551 | .56 | .74 | .92 |
| POC PC-5-3 | 5.3 | 0.72 | -- | 1.00 | .80 | -- | .546 | .56 | .74 | .84 |
| AVG PC-5 | 5.3 | 0.75 | .804 | .95 | .88 | .548 | .549 | .57 | .71 | .85 |
| UT PC-6-1 | 4.6 | .88 | .893 | .74 | -- | .370 | .348 | .36 | .31 | -- |
| UT PC-6-2 | -- | .92 | -- | .92 | -- | -- | .345 | .39 | .32 | -- |
| UT PC-6-3 | -- | .94 | -- | .92 | -- | -- | -- | .39 | .29 | -- |
| AVG PC-6 | (4.6) | .91 | (.893) | .86 | -- | (.370) | .347 | .38 | .32 | -- |
| WV PC-7-1 | 19.4 | 4.8 | 4.90 | 4.3 | -- | 3.17 | 3.12 | 3.1 | 3.3 | -- |
| WV PC-7-2 | -- | 5.3 | -- | 5.8 | -- | -- | 3.18 | 3.2 | 4.3 | -- |
| WV PC-7-3 | -- | 5.0 | -- | 5.4 | -- | -- | 3.16 | 3.2 | 4.1 | -- |
| AVG PC-7 | (19.4) | 5.0 | (4.90) | 5.2 | -- | (3.17) | 3.15 | 3.2 | 3.9 | -- |
| ND PC-8-1 | 9.5 | .67 | {.768} | .54 | -- | {.45} | .396 | .40 | .21 | -- |
| ND PC-8-2 | -- | .67 | -- | .63 | -- | -- | .400 | .40 | .28 | -- |
| ND PC-8-3 | -- | .67 | -- | .63 | -- | -- | .404 | .40 | .21 | -- |
| AVG PC-8 | (9.5) | .67 | (0.768) | .60 | -- | (.45) | .400 | .40 | .23 | -- |
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