Research Article
Total Scanning Fluorescence Characteristics of Coals and Implication to Coal Rank Evaluation
Table 1
Laboratory procedure to clean coal for TSF analysis.
| Disaggregation | Sample core of cuttings, crushed to powder, dry-sieved to obtain grains with a 1000 to 63âm size distribution |
| DCM (dichloromethane) | 10-minute ultrasound bath in 20âmL HPLC grade DCM | DCM (dichloromethane) | 1-week digestion at room temperature in DCM |
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