Research Article
Total Scanning Fluorescence Characteristics of Coals and Implication to Coal Rank Evaluation
Table 2
Characteristic parameters derived from TSF experiment.
| Sample number | Region | Coal types | (%) | TSF Max | Max Ex (nm) | Max Em (nm) | R1 | R2 |
| (1) | Qinshui basin | Cataclastic structure coal | 2.42 | 706675 | 308 | 438 | 3.1 | 2.8 | (2) | Huaibei coalfield | Mylonitic structural coal | 0.86 | 4577 | 260 | 420 | 5.8 | 7.5 | (3) | Huaibei coalfield | Wrinkle structure coal | 1.38 | 371668 | 258 | 363 | 1.0 | 1.4 | (4) | Huaibei coalfield | Wrinkle structure coal | 1.5 | 18969 | 314 | 459 | 3.1 | 3.7 | (5) | Qinshui basin | Cataclastic structure coal | 2.82 | 11106 | 302 | 432 | 2.7 | 2.0 | (6) | Huaibei coalfield | Cataclastic structure coal | 3.01 | 49325 | 258 | 458 | 5.9 | 7.0 | (7) | Qinshui basin | Mortar structure coal | 4.66 | 681 | 234 | 344 | 1.5 | 1.3 | (8) | Qinshui basin | Cataclastic structure coal | 2.93 | 451 | 244 | 409 | 1.4 | 1.4 | (9) | Qinshui basin | Mortar structure coal | 1.69 | 38229 | 308 | 458 | 2.9 | 3.1 | (10) | Huaibei coalfield | Wrinkle structure coal | 2.62 | 43472 | 254 | 369 | 2.8 | 3.2 | (11) | Qinshui basin | Cataclastic structure coal | 1.72 | 40830 | 314 | 469 | 2.6 | 2.7 | (12) | Huaibei coalfield | Wrinkle structure coal | 1.39 | 9886 | 258 | 458 | 4.9 | 5.7 | (13) | Huaibei coalfield | Scaling structure coal | 3.01 | 1256963 | 258 | 423 | 4.6 | 5.5 | (14) | Huaibei coalfield | Wrinkle structure coal | 1.4 | 563584 | 258 | 433 | 3.7 | 4.3 |
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