Study on the Effect of Polysulfide Content on the Micromorphology and Spontaneous Combustion Characteristics of Coal

Table 2

Chromatographic oxygen intake of coal samples with different sulfur contents at 30°C.

Sulfide species	Oxygen uptake under different sulfur content conditions (cm^3·g^−1)
	0%	2%	3%	4%	5%
FeS2	1.37	1.51	1.58	1.52	1.42
FeS	1.37	1.54	1.59	1.67	1.52