US Geological Survey Bulletin 2144 29 Elements Table 1

Determination of 29 Elements in 8 Argonne Premium Coal Samples by Instrumental Neutron Activation Analysis

Table 1. Comparison of concentrations determined (in micrograms per gram, µg/g) from this study with literature values.

[Concentrations in this study were determined by instrumental neutron activation analysis (INAA). Blank, no values available from listed source]

Element	NIST 1633, fly ash		NIST 1632b, bituminous coal
Element	This study	Literature¹	This study	Literature²
Na	3,060±64	3,200±400	513±5	515±11
K	16,000±640	16,100±1,500	740±37	748±28
Sc	27.3±0.27	27±1	2.060±0.02	1.9
Cr	113.4±8.6	127±6	10.4±0.3	11
Fe	62,600±630	62,000±3,000	7,780±160	7,590±450
Co	40.8±2.0	41.5±1.2	2.33±0.04	2.29±0.17
Ni	92±10	98±9	8.1±2	6.1±0.27
Zn	183±9.5	216±25	11.7±1.4	11.89±0.78
As	56.0±1.6	58.0±4	3.80±0.11	3.73±0.09
Se	9.0±0.54	10.2±1.4	1.24±0.10	1.29±0.11
Br	6.5±0.32	12±4	21.3±1.1	17
Rb	10±6.3	125±10	4.2±0.76	5.05±0.11
Sr	1,340±67	1,700±300	97±5.8	102
Sb	6.61±0.2	6.9±0.6	.259±0.01	.24
Cs	7.76±0.23	8.6±1.1	.414±0.012	.44
Ba	2,450±74	2,700±200	69±2.8	67.5±2.1
La	80.4±1.6	82±2	4.80±0.01	5.1
Ce	139±2.7	146±15	9.19±0.18	9
Nd	55±7.2	57.8±1.6	<12
Sm	14.2±0.3	12.4±0.9	.899±0.009	.87
Eu	2.68±0.08	2.5±0.4	.176±0.004	.17
Tb	1.79±0.054	1.9±0.3	.104±0.003
Yb	5.99±0.18	7±3	.366±0.01
Lu	1.12±0.046	1.0±0.1	.099±0.004
Hf	7.12±0.21	7.9±0.4	.410±0.002	.43
Ta	2.03±0.06	1.8±0.3	.194±0.03
W	4.93±0.25	4.6±1.6	.52±0.05	.48
Th	23.1±0.46	24.8±2.2	1.321±0.026	1.342±0.036
U	10.7±0.9	12.0±0.5	.42±0.05	.436±0.012

¹ Values taken from Insov and others (1975).
² Values taken from NIST (National Institute of Standards and Technology) 1632b Certificate (National Bureau of Standards, 1985). Values with no error listed are NIST information values; all others are NIST certified values.