The Chemical Analysis of Argonne Premium Coal Samples
Edited by Curtis A. Palmer
U.S. Geological Survey Bulletin 2144
Determination of 29 Elements in 8 Argonne Premium Coal Samples by Instrumental Neutron Activation Analysis
By Curtis A. Palmer
Table 2. Concentrations (in micrograms per gram, µg/g) of 29 elements in Argonne Premium Coal samples -- continued.
[Concentrations weredetermined by instrumental neutron activation analysis (INAA). Errors in percent are based on one-sigma counting statistics only.
| Element | PITT PC-4-1 | PITT PC-4-2 | PITT PC-4-3 | POC PC-5-1 | POC PC-5-2 | POC PC-5-3 | UT PC-6-1 | UT PC-6-2 | UT PC-6-3 |
| Na | 343±2% | 343±3% | 344±3% | 797±2% | 773±2% | 778±2% | 1,485±2% | 1,472±2% | 1,425±2% |
| K | 1,090±5% | 1,120±6% | 1,090±7% | 284±11% | 260±14% | 330±15% | 180±25% | <250 | 252±12% |
| Sc | 2.61±2% | 2.56±1% | 2.55±1% | 1.80±2% | 1.79±2% | 1.77±1% | .832±2% | .801±1% | .805±2% |
| Cr | 15.0±3% | 15.0±3% | 14.5±3% | 9.3±4% | 9.06±3% | 8.85±3% | 5.25±4% | 5.03±4% | 5.62±3% |
| Fe | 13,600±2% | 13,400±2% | 13,300±2% | 5,040±2% | 5,210±2% | 5,020±2% | 3,270±2% | 3,100±2% | 3,150±2% |
| Co | 2.65±3% | 2.61±4% | 2.60±6% | 4.09±2% | 4.13±2% | 3.98±2% | 1.01±2% | .992±3% | 1.00±2% |
| Ni | 9.4±21% | 11.3±17% | <12 | 9.2±17% | 8.5±19% | 8.2±19% | <3 | 3.6±32% | 3.7±26% |
| Zn | 8.9±4% | 7.8±7% | 10.5±12% | 5.74±5% | 6.15±5% | 7.3±5% | 4.80±5% | 7.43±4% | 6.82±4% |
| As | 8.44±3% | 8.30±3% | 8.5±4% | 10.43±3% | 10.6±3% | 9.89±3% | .51±7% | .50±9% | .44±8% |
| Se | 1.49±7% | 1.60±7% | 1.34±7% | 2.3±28% | 2.5±18% | 2.601±11% | 1.03±10% | 1.16±10% | 1.03±8% |
| Br | 15.7±8% | 15.5±8% | 15.5±8% | 50±8% | 50±8% | 49±8% | 1.14±5 | 1.06±5% | 1.05±5% |
| Rb | 9.0±16% | 7.2±16% | 7.1±16% | <6 | <6 | <3 | <2 | 1.00±22% | .95±25% |
| Sr | 58±12% | 61±22% | 65±19% | 97±23% | 116±7% | 101±11% | 71±7% | 68±8% | 70±8% |
| Sb | .239±6% | .240±5% | .221±6% | .625±4% | .458±4% | .535±4% | 118±7% | .098±9% | .106±8% |
| Cs | .737±4% | .69±9% | .67±8% | .256±5% | .283±17% | .247±11% | .123±6% | .148±6% | .119±11% |
| Ba | 44±13% | 51±11% | 44±12% | 197±5% | 203±5% | 193±4% | 35.7±8% | 38.1±8% | 47±7% |
| La | 6.19±3% | 6.15±3% | 6.11±3% | 6.78±3% | 6.77±3% | 6.73±3% | 3.41±3% | 3.27±3% | 3.24±3% |
| Ce | 11.5±3% | 11.5±5% | 11.1±3% | 11.6±3% | 11.8±3% | 11.5±3% | 4.88±3% | 4.67±3% | 4.84±3% |
| Nd | <12 | <8 | <10 | <18 | <16 | <14 | <3 | 2.5±6% | 1.6±26 |
| Sm | 1.100±2% | 1.09±2% | 1.09±2% | 1.23±2% | 1.21±2% | 1.21±2% | .517±3% | .500±3% | .507±3% |
| Eu | .221±4% | .214±4% | .208±6% | .243±4% | .241±4% | .218±10% | .100±6% | .098±5% | .098±4% |
| Tb | .133±5% | .131±10% | .132±8% | .158±6% | .173±4% | .169±4% | .065±5% | .054±5% | .054±5% |
| Yb | .478±5% | .463±5% | .468±5% | .555±5% | .56±10% | .545±5% | .204±7% | .198±15% | .211±18% |
| Lu | .121±6% | .117±10% | .120±5% | .132±5% | .142±5% | .132±5% | .036±9% | .026±11% | .029±7% |
| Hf | .518±4% | .49±8% | .500±4% | .441±6% | .429±4% | .444±4% | .478±3% | .499±5% | .458±3% |
| Ta | .168±5% | .163±5% | .165±5% | .117±12% | .108±8% | .123±6% | .060±7% | .065±7% | .061±6% |
| W | .79±6% | .80±8% | .76±8% | .84±7% | .91±8% | .77±8% | .42±10% | .40±11% | .38±9% |
| Th | 1.53±3% | 1.46±3% | 1.44±3% | 1.19±3% | 1.12±8% | 1.17±3% | .609±3% | .614±3% | .622±3% |
| U | .36±13% | .37±10% | .45±11% | .47±16% | .51±13% | .55±13% | .76±8% | .70±8% | .76±9% |
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