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The Chemical Analysis of Argonne Premium Coal Samples

Edited by Curtis A. Palmer

1997
U.S. Geological Survey Bulletin 2144


Determination of 62 Elements in 8 Argonne Premium Coal Ash Samples by Automated Semiquantitative Direct-Current Arc Atomic Emission Spectrography

By Carol J. Skeen, B.J. Libby, and W.B. Crandell

Table 2. Element concentrations determined by direct-current arc spectrographic analyses of NIST standard reference material coal fly ash.

[Concentrations are in percentages (%) for the first nine elements (Si through Mn) and in micrograms per gram (g/g) for the remaining elements (As through Zr). NIST, National Institute of Standards and Technology, formerly the National Bureau of Standards; SD, standard deviation; USGS, U. S. Geological Survey

Element NIST 1633 NIST 1633a
NIST value1
(mean SD)
USGS
average2
NIST value1
(mean SD)
USGS
average3
Si (%) 273.3 22.80.8 262.6
Al 172.8 14 183.1
Fe 8.00.93 9.400. 10 111.7
Mg 2.20.32 .4550.010 .710.14
Ca 5.41.2 1.110.01 1.30.31
Na .250.03 .170.01 .160.03
K 1.72 1.30.15 1.880.06 1.50.19
Ti .800.15 .8 .850.18
Mn .04930.0007 .0760.11 .0190 .0260.08
As (g/g) 616 4<100 14515 19049
B 430 44046 324.0
Ba 1,600490 1,500 910160
Be 12 151.5 12 141.9
Ce 17029 180 16053
Co 38 384.9 46 386.2
Cr 1312 12023 1966 18033
Cu 1285 10025 1183 9321
Eu 3.10.5 4 3.40.6
Ga 49 395.8 58 5411
La 9613
Mo 29 286.2
Nd 6015 10029
Ni 983 11015 1274 14019
Pb 704 749.0 72.40.4 7612
Sc 254.0 40 295.7
Sr 1,380 1,70030 83030 900140
V 2148 20024 300 24036
Y 537.8
Yb 6.60.9
Zr 18029

1 Values taken from NIST Certificates 1633 (National Bureau of Standards, 1975) and 1633a (National Bureau of Standards, 1979). Values with no error listed are NIST information values; all others are NIST certified values.
2 Average of 35 determinations Feb. to July 1983.
3 Average of 31 determinations June 1983 to Mar. 1984.
4 Lower limit of determination.

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