Research Article
A Combined Raman Spectroscopic and Thermogravimetric Analysis Study on Oxidation of Coal with Different Ranks
Figure 3
(a) TGA results of the coal samples. (b) Differential TGA (DTG) of the coal samples. (c) TGA over the range of 96–107% mass change at 1°C min−1. (d) TGA over the range of 96–100% mass change at 10°C min−1.
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