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The Chemical Analysis of Argonne Premium Coal Samples

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

THE CHEMICAL ANALYSIS OF ARGONNE PREMIUM COAL SAMPLES

Curtis A. Palmer

Table 2. Tabulation of elements determined by different techniques.

[DCAES, direct-current arc atomic emission spectrography; XRF, X-ray fluorescence spectrometry; INAA, instrumental neutron activation analysis; ICAP-AES, inductively coupled argon plasma-atomic emission spectrometry, (R), Reston, (D), Denver; ICAP-MS, inductively coupled argon plasma-mass spectrometry; AAS, atomic absorption spectrometry; CVAAS, cold-vapor AAS; HGAAS, hydride-generation AAS; CHN, carbon-hydrogen-nitrogen elemental analysis; WC, whole coal]

Technique and material
Element DCAES XRF INAA ICAP-AES(R) ICAP-AES(D) ICAP-MS AAS CVAAS HGAAS CHN Total number of procedures
WC Ash WC Ash WC Ash Ash Ash Ash WC WC WC
Rb     X X X     X         4 Rb
Sr   X X X X X X           6 Sr
Y   X X X   X X           5 Y
Zr X X X X     X2           5 Zr
Nb   X X X       X         4 Nb
Mo   X           X         2 Mo
Ag   X           X         2 Ag
Cd               X X4       2 Cd
Sn   X           X         2 Sn
Sb         X     X         2 Sb
Te               X         1 Te
Cs         X     X         2 Cs
Ba X X X X X X X2           7 Ba
La   X X X X     X3         5 La
Ce   X X X X     X3         5 Ce
Pr   X           X3         2 Pr
Nd   X     X     X3         3 Nd
Sm   X     X     X3         3 Sm
Eu   X     X     X3         3 Eu
Gd               X3         1 Gd
Tb         X     X3         2 Tb
Dy               X3         1 Dy
Ho               X3         1 Ho
Er               X3         1 Er
Tm               X3         1 Tm
Yb   X     X     X3         3 Yb
Lu         X               1 Lu
Hf         X     X3         2 Hf
Ta         X     X3         2 Ta
W         X     X3         2 W
Au               X         1 Au
Hg                 X       1 Hg
Tl               X         1 Tl
Pb X X           X X4       4 Pb
Bi   X           X         2 Bi
Th         X   X           2 Th
U         X     X         2 U
Totals 18 38 14 23 29 18 25 33 4 1 1 3 207

1Wavelength-dispersive procedure; all other XRF procedures are energy-dipersive XRF.
2Sinter digestion procedure; all other ICAP-AES procedures are acid digestion procedures.
3Sinter digestion procedure; all other ICAP-MS procedures are acid digestion procedures.
4Grapihte furnace AAS; all other AAS procedures are flame AAS.

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