Research Article

Total Scanning Fluorescence Characteristics of Coals and Implication to Coal Rank Evaluation

Table 2

Characteristic parameters derived from TSF experiment.

Sample numberRegionCoal types 𝑅 𝑜 (%)TSF MaxMax Ex (nm)Max Em (nm)R1R2

(1)Qinshui basinCataclastic structure coal2.427066753084383.12.8
(2)Huaibei coalfieldMylonitic structural coal0.8645772604205.87.5
(3)Huaibei coalfieldWrinkle structure coal1.383716682583631.01.4
(4)Huaibei coalfieldWrinkle structure coal1.5189693144593.13.7
(5)Qinshui basinCataclastic structure coal2.82111063024322.72.0
(6)Huaibei coalfieldCataclastic structure coal3.01493252584585.97.0
(7)Qinshui basinMortar structure coal4.666812343441.51.3
(8)Qinshui basinCataclastic structure coal2.934512444091.41.4
(9)Qinshui basinMortar structure coal1.69382293084582.93.1
(10)Huaibei coalfieldWrinkle structure coal2.62434722543692.83.2
(11)Qinshui basinCataclastic structure coal1.72408303144692.62.7
(12)Huaibei coalfieldWrinkle structure coal1.3998862584584.95.7
(13)Huaibei coalfieldScaling structure coal3.0112569632584234.65.5
(14)Huaibei coalfieldWrinkle structure coal1.45635842584333.74.3