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| substance
content (%) |
||||
|---|---|---|---|---|
| immersion time (h) | kaolinite (%) | phlogopite (%) | kurnakovite (%) | euchroite (%) |
| raw coal | 28.2 | 26.0 | 43.3 | 2.5 |
| washed coal | 27.4 | 27.0 | 42.4 | 3.2 |
| 24 h coal | 27.2 | 27.3 | 42.2 | 3.3 |
| 48 h coal | 27.0 | 27.1 | 43.5 | 2.4 |
| 72 h coal | 24.7 | 27.3 | 44.6 | 3.4 |
