METHODS FOR SAMPLING AND
INORGANIC ANALYSIS OF COAL
U.S. Geological Survey
Bulletin 1823
Edited by D.W. Golightly and F.O. Simon
Table 22. Concentrations of eight elements in the NBS 1633 coal fly ash determined by atomic absorption spectrometric methods
| Concentration (m g/g) | |||||||||||||
| Element | This Work (n)a |
Certificate of analysis | EPA-NBS Round-Robinb (Range) | Literature | Reference | ||||||||
| Cd | 1.56 | ± | 0.26(17) | 1.45 | ± | 0.06 | 0.88 | - | 6.0 | 1.5 | ± | 0.2 | Gladney (1980) |
| Cu | 130 | ± | 6(16) | 128 | ± | 5 | - | 127 | ± | 8 | Gladney (1980) | ||
| 115 | ± | 8 | Rowe and Steinnes (1977) | ||||||||||
| Li | 170 | ± | 13(17) | - | - | 110 | ± | ? | Gladney (1980) | ||||
| Mg | 1.17 | ± | 0.049(14) | - | - | 1.6 | ± | 0.3 | Gladney (1980) | ||||
| 1.78 | ± | 0.20 | Rowe and Steinnes (1977) | ||||||||||
| Mn | 496 | ± | 34(17) | 493 | ± | 7 | 181 | - | 636 | 492 | ± | 24 | Gladney (1980) |
| 509 | ± | 20 | Ondov and others (1975) | ||||||||||
| 488 | ± | 14 | Rowe and Steinnes (1977) | ||||||||||
| Na | 0.295 | ± | 0.023(11) | - | - | 0.320 | ± | 0.034 | Gladney (1980) | ||||
| 0.283 | ± | 0.014 | Rowe and Steinnes (1977) | ||||||||||
| Pb | 67 | ± | 4(10) | 70 | ± | 4 | 18.7 | - | 110 | 72 | ± | 5 | Gladney (1980) |
| Zn | 210 | ± | 10(18) | 210 | ± | 20 | 54.2 | - | 244 | 213 | ± | 13 | Gladney (1980) |
| 216 | ± | 25 | Ondov and others (1975) | ||||||||||
| 201 | ± | 6 | Rowe and Steinnes (1977) | ||||||||||
| aThe
number of replicate determinations = n. bLaboratory averages from round-robin analyses by AAS (EPA, 1977). EPA: U.S. Environmental Protection Agency. NBS: National Bureau of Standards. |
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