Explosion Pressure and Minimum Explosible Concentration Properties of Metal Sulfide Ore Dust Clouds

Table 2

Elemental composition of four types of metal sulfide ore dusts.

Sample type	Fe	S	Si	Al	Cu	Mn	Zn	Ti	Ca	K	Other elements
A	38.71	34.33	3.75	1.67	0.88	0.50	0.32	0.04	0.07	0.03	19.70
B	35.90	26.95	4.55	1.46	1.06	0.39	0.15	0.05	0.09	0.00	29.40
C	24.07	19.58	16.82	6.10	0.44	0.13	0.03	0.10	0.09	1.11	31.53
D	20.43	7.65	12.02	4.05	0.47	0.82	0.06	0.10	0.14	0.87	53.39