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The Chemical Analysis of Argonne Premium Coal Samples

Edited by Curtis A. Palmer
U.S. Geological Survey Bulletin 2144


Comparison of the concentrations of 51 elements determined by multiple analytical techniques in 8 Argonne Premium Coal samples.

Appendix 1. Comparison of the concentrations of 51 elements determined by multiple analytical techniques in 8 Argonne Premium Coal samples -- continued

[Analyses of splits for each sample are followed by an average. --, no data. See definitions on p. 77]

  Fe (weight percent) Mg (weight percent)
Technique
Material analyzed
Location
INAA
WC
R
WDXRF
Ash
R
ICAP-AES
Ash
R
ICAP-AES
Ash
D
DCAES
Ash
R
DCAES
WC
R
WDXRF
Ash
R
ICAP-AES
Ash
R
ICAP-AES
Ash
D
DCAES
Ash
R
DCAES
WC
R
UF PC-1-1 1.76 1.98 1.86 1.6 1.6 2 0.079 0.082 0.075 0.13 0.097
UF PC-1-2 1.81 1.88 1.89 1.7 1.3 3 .079 .082 .078 .15 .100
UF PC-1-3 1.79 -- 1.84 1.7 1.7 2 -- .081 .080 .16 .100
AVG PC-1 1.78 1.93 1.86 1.7 1.6 2 .079 .082 .078 .15 .099
WY PC-2-1 .381 .33 .358 .31 .26 .34 .25 .241 .20 .33 .20
WY PC-2-2 .379 .32 .379 .35 .26 .33 .27 .236 .20 .39 .20
WY PC-2-3 .339 -- .363 .35 .31 .20 -- -- .23 .37 .20
AVG PC-2 .366 .33 .367 .34 .27 .29 .26 .239 .21 .37 .20
IL PC-3-1 2.66 2.71 2.72 2.4 2.3 2 {.09} .076 .078 .11 .096
IL PC-3-2 2.67 2.70 2.66 2.5 2.3 2 {.09} .078 .075 .11 .099
IL PC-3-3 2.68 -- 2.79 2.3 2.6 3 -- .076 .068 .12 .100
AVG PC-3 2.67 2.70 2.72 2.4 2.4 2 .09 .077 .073 .12 .098
PITT PC-4-1 1.36 1.45 1.34 1.2 1.7 1 {.04} .038 .033 .065 .045
PITT PC-4-2 1.34 1.43 1.32 1.2 1.8 1 {.03} .038 .033 .064 .048
PITT PC-4-3 1.33 -- 1.31 1.3 2.0 2 -- .038 .033 .089 .052
AVG PC-4 1.35 1.44 1.32 1.2 1.9 1 .03 .038 .033 .073 .048
POC PC-5-1 .504 .519 .513 .52 .52 .60 .067 .0562 .0575 .10 .079
POC PC-5-2 .521 .522 .505 .48 .44 .80 .067 .0551 .0543 .11 .074
POC PC-5-3 .502 -- .504 .48 .53 .68 -- .551 .0543 .11 .079
AVG PC-5 .509 .521 .507 .50 .50 .69 .067 .0548 .0554 .11 .077
UT PC-6-1 .327 .29 .284 .29 .21 -- .048 .030 .028 .043 --
UT PC-6-2 .310 -- .281 .29 .27 -- -- .030 .031 .038 --
UT PC-6-3 .315 -- -- .31 .23 -- -- -- .031 .041 --
AVG PC-6 .317 (.29) .282 .30 .24 -- (.048) .030 .030 .041 --
WV PC-7-1 .404 .37 .396 .41 .35 -- {.08} .092 .082 .128 --
WV PC-7-2 .384 -- .381 .39 .45 -- -- .095 .090 .084 --
WV PC-7-3 .408 -- .379 .38 .41 -- -- .096 .084 .078 --
AVG PC-7 .399 (.37) .385 .39 .40 -- (.08) .094 .085 .097 --
ND PC-8-1 .553 .45 .466 .45 .35 -- .42 .395 .34 .52 --
ND PC-8-2 .529 -- .470 .47 .43 -- - .395 .355 .51 --
ND PC-8-3 .560 -- .480 .46 .33 -- - .405 .349 .51 --
AVG PC-8 .547 (.45) .472 .46 .37 -- (.42) .398 .351 .51 --
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