The Chemical Analysis of Argonne Premium Coal Samples
Edited by Curtis A. Palmer
U.S. Geological Survey Bulletin 2144
Determination of 25 Elements in Coal Ash from 8 Argonne Premium Coal Samples by Inductively Coupled Argon Plasma-Atomic Emission Spectrometry
By Paul H. Briggs
Table 4. Concentrations of major oxides (in weight percent) and trace elements (in parts per million) in eight Argonne Premium Coal samples ashed and then digested by sinter decomposition.
[Three analyses were done for each sample by ICAP-AES (inductively coupled argon atomic-plasma emission spectrometry]
| Coal ash | Al 2O 3 | CaO | Fe2O3 | K2O | MgO | P2O5 | SiO2 | TiO2 | B | Ba | Zr |
| UF PC-1-1 | 21 | 4.1 | 17 | 2.5 | 0.92 | 0.10 | 40 | 0.89 | 260 | 390 | 180 |
| UF PC-1-2 | 22 | 4.2 | 18 | 2.7 | 1.0 | .10 | 41 | .92 | 230 | 380 | 180 |
| UF PC-1-3 | 23 | 4.2 | 18 | 2.6 | .98 | .10 | 42 | .96 | 360 | 470 | 190 |
| WY PC-2-1 | 14 | 17 | 5.2 | .38 | 3.8 | .57 | 25 | .95 | 1,000 | 3,300 | 210 |
| WY PC-2-2 | 14 | 16 | 5.9 | .50 | 3.8 | .56 | 26 | .97 | 1,300 | 3,400 | 220 |
| WY PC-2-3 | 16 | 19 | 5.8 | .54 | 4.4 | .67 | 28 | 1.1 | 1,100 | 3,600 | 230 |
| IL PC-3-1 | 16 | 8.3 | 21 | 1.7 | .80 | .06 | 41 | .74 | 1,000 | 510 | 170 |
| IL PC-3-2 | 15 | 8.1 | 22 | 1.6 | .77 | .05 | 40 | .73 | 1,000 | 480 | 140 |
| IL PC-3-3 | 14 | 7.5 | 20 | 1.6 | .70 | .04 | 36 | .66 | 970 | 530 | 120 |
| PITT PC-4-1 | 20 | 2.8 | 19 | 1.5 | .60 | .23 | 42 | .93 | 520 | 420 | 200 |
| PITT PC-4-2 | 20 | 2.8 | 19 | 1.5 | .60 | .22 | 42 | .92 | 530 | 420 | 200 |
| PITT PC-4-3 | 19 | 2.9 | 19 | 1.5 | .59 | .22 | 41 | .89 | 510 | 410 | 190 |
| POC PC-5-1 | 21 | 12 | 14 | .83 | 1.8 | .10 | 31 | 1.3 | 260 | 4,100 | 320 |
| POC PC-5-2 | 20 | 12 | 13 | .82 | 1.7 | .10 | 30 | 1.2 | 240 | 3,800 | 300 |
| POC PC-5-3 | 20 | 12 | 13 | .72 | 1.7 | .09 | 29 | 1.2 | 240 | 3,800 | 290 |
| UT PC-6- | 15 | 12 | 9.0 | .70 | 1.0 | .04 | 41 | .85 | 2,700 | 710 | 360 |
| UT PC-6-2 | 16 | 13 | 9.1 | .73 | 1.1 | .04 | 43 | .85 | 2,700 | 730 | 390 |
| UT PC-6-3 | 16 | 13 | 9.6 | .76 | 1.1 | .03 | 44 | .89 | 2,900 | 800 | 370 |
| WV PC-7-1 | 30 | .40 | 3.0 | 2.9 | .70 | .09 | 53 | 1.9 | 200 | 570 | 340 |
| WV PC-7-2 | 33 | .44 | 2.9 | 3.3 | .77 | .09 | 59 | 2.1 | 400 | 740 | 380 |
| WV PC-7-3 | 31 | .42 | 2.8 | 3.0 | .72 | .09 | 55 | 2.0 | 360 | 620 | 350 |
| ND PC-8-1 | 7.9 | 21 | 6.7 | .56 | 6.1 | .30 | 15 | .32 | 830 | 5,500 | 120 |
| ND PC-8-2 | 7.9 | 21 | 7.0 | .41 | 6.2 | .30 | 15 | .32 | 850 | 5,600 | 140 |
| ND PC-8-3 | 7.8 | 21 | 6.9 | .45 | 6.1 | .29 | 15 | .31 | 830 | 5,600 | 120 |
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