US Geological Survey Bulletin 2144 18 Elements Tables 3 and 4

Determination of 18 Elements in 5 Whole Argonne Premium Coal Samples by Quantitative Direct-Current Arc Atomic Emission Spectrography

Table 3. Concentrations (in weight percent) of 7 elements in Argonne Premium Coals determined by direct-current arc atomic emission spectrography.

Sample	Mg	Al	Ca	Ti	Mn	Si	Fe
UF PC-1-1	0.097	2	0.57	0.10	0.0053	3	2
UF PC-1-2	.10	2	.54	.10	.0059	4	3
UF PC-1-3	.10	2	.63	.10	.0048	3	2
WY PC-2-1	.20	.47	1	.048	.0010	.80	.34
WY PC-2-2	.20	.54	1	.046	.0016	1.0	.33
WY PC-2-3	.20	.44	1	.038	.0014	.52	.20
IL PC-3-1	.096	2	2	.089	.015	3	2
IL PC-3-2	.099	2	2	.10	.015	4	2
IL PC-3-3	.10	2	1	.086	.017	3	3
PITT PC-4-1	.045	1	.24	.086	.0016	2	1
PITT PC-4-2	.048	2	.34	.090	.0028	3	1
PITT PC-4-3	.052	2	.28	.097	.0018	2	2
POC PC-5-1	.079	.80	.69	.084	.0016	.83	.60
POC PC-5-2	.074	.92	.93	.084	.0024	1.0	.80
POC PC-5-3	.079	.84	.79	.078	.0017	.80	.68

Table 4. Concentrations (in micrograms per gram) of 11 elements in Argonne Premium Coals determined by direct-current arc atomic emission spectrography.

Sample	V	Cr	Ni	Cu	Zn	Ga	Co	Ge	Zr	Ba	Pb
UF PC-1-1	38	32	22	20	30	11	5	4	36	88	8
UF PC-1-2	45	38	29	18	30	11	5	4	29	72	10
UF PC-1-3	41	26	24	16	40	8	5	3	34	84	6
WY PC-2-1	10	8	<10	5	<20	4	<5	<2	<20	200	<2
WY PC-2-2	14	6	<10	10	<20	2	<5	<2	<20	260	<2
WY PC-2-3	17	8	<10	6	<20	3	<5	<2	<20	300	<2
IL PC-3-1	52	54	28	9	250	8	<5	8	22	140	9
IL PC-3-2	59	57	35	10	260	5	<5	7	25	120	8
IL PC-3-3	44	47	37	9	320	7	<5	12	16	92	6
PITT PC-4-1	20	23	13	5	20	6	<5	3	23	66	4
PITT PC-4-2	25	27	14	6	30	5	<5	<2	21	72	3
PITT PC-4-3	27	21	11	7	30	5	<5	<2	28	60	5
POC PC-5-1	16	17	11	18	<20	4	5	<2	25	400	5
POC PC-5-2	21	17	11	13	<20	3	5	<2	34	460	4
POC PC-5-3	18	14	<10	27	<20	4	5	<2	32	500	5