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What is volatile cinder? What types does it have?
2016.10.26
Volatile cinder is the residue in the crucible after volatile determination for coal sample.
It has 8 types:
1. powdery
2. adhesion
3. weakly caking
4. caking without fusion
5. caking with fusion without expansion
6. caking with slight-expansion and fusion
7. caking with medium-expansion and fusion
8. caking with strong-expansion and fusion
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