Evaluation of a 38 L Explosive Chamber for Testing Coal Dust Explosibility

Table 1

Sieve analysis of the Pittsburgh pulverized sample [8].

Sieve	Sieve size (μm)	Retained (%)	Cumulative retained (%)	Cumulative passing (%)
8	2360	0	0	100
16	1180	0	0	100
30	600	0	0	100
50	300	4	4	96
100	150	27	30	70
200	75	31	61	39
325	45	15	76	24
325+	45−	24	100	0