Molecular Distributions of Soluble Oxidation Products from Coals Characterized by Mass Spectrometers

Table 1

Proximate and ultimate analyses (%) of coal samples.

Coal samples	Proximate analysis			Ultimate analysis (daf)
				C	H	N	S
SLL	13.74	7.51	46.40	70.84	5.05	0.88	1.32	21.91
SFB	5.33	6.32	30.74	79.82	4.73	1.05	0.50	13.90
JCA	2.48	26.74	8.15	94.01	2.94	1.03	0.53	1.05

daf: dry and ash-free base; : moisture (air dried base); : ash (dry base, i.e., moisture-free base); : volatile matter (dry and ash-free base); diff: by difference.