Free Access
Table B.1
Summary.
| UCAMM | DC060919 | DC060594 | DC021119 | DC060443 | DC060718 | DC060741 | DC0609119 | DC060565 |
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| Raman parameters (estimated uncertainty ~ position ± 2.5 cm-1, FWHM± 10 cm-1) | ||||||||
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| D band | ||||||||
| Position | 1349.0 | 1358.4 | 1356.6 | 1362.5 | 1362.1 | 1355.9 | 1350.0 | 1342.6 |
| FWHM | 285.4 | 267.0 | 236.2 | 252.6 | 302.8 | 274.8 | 235.3 | 279.6 |
| G band | ||||||||
| Position | 1595.9 | 1596.5 | 1589.9 | 1596.8 | 1584.8 | 1585.4 | 1586.2 | 1578.8 |
| FWHM | 90.6 | 89.7 | 150.4 | 100.3 | 125.3 | 147.5 | 143.7 | 120.5 |
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| Infrared measurements | ||||||||
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| ∫C=C (cm-1) | 17.0 ± 7.7 | 27.1 ± 10.9 | 43.7 ± 7.7 | 13.0 ± 4.9 | 16.7 ± 11.5 | 22.7 ± 4.3 | 12.1 ± 5.4 | 33.0 ± 13.6 |
| ∫C=O (cm-1) | 2.2 ± 0.15 | 7.5 ± 0.5 | 29.5 ± 0.2 | 1.45 ± 0.15 | 2.3 ± 0.15 | 8.6 ± 0.55 | 5.3 ± 0.35 | 9.0 ± 0.2 |
| C=O position (cm-1) | 1685.7 ± 7.0 | 1693.6 ± 7.8 | 1685.1 ± 12.5 | 1687.0 ± 5.1 | 1685.1 ± 3.8 | 1700.6 ± 12.7 | 1705.9 ± 18.5 | 1698.8 ± 7.4 |
| ∫CH(cm-1) | 3.62 ± 1.21 | 0.84 ± 1.09 | 0.73 ± 0.12 | 2.41 ± 1.54 | 2.2 ± 1.9 | 1.3 ± 0.6 | 0.66 ± 0.43 | 0.99 ± 2.15 |
| ∫Silicates(cm-1) | 52.77 ± 15.84 | 35.93 ± 10.78 | 17.75 ± 5.33 | 8.33 ± 2.50 | 6.85 ± 2.06 | 3.95 ± 1.18 | 3.95 ± 1.18 | 0.02 ± 0.006 |
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| N/C atomic ratios determined with the electron microprobe (±1σa) | ||||||||
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| N (at%) | – | 3.3 ± 1.5 | 10.2 ± 2.85 | – | 12.1 ± 2.5 | 5.08 ± 1.5 | – | 11.0 ± 2.8 |
| C (at%) | – | 58.5 ± 14.1 | 76.0 ± 5.35 | – | 71.7 ± 3.9 | 87.2 ± 3.3 | – | 74.7 ± 6.3 |
| N/C | – | 0.057 ± 0.029 | 0.135 ± 0.039 | – | 0.170 ± 0.036 | 0.058 ± 0.017 | – | 0.147 ± 0.040 |
| #measurements | – | 43 | 31 | – | 20 | 13 | – | 22 |
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