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The Chemical Analysis of Argonne Premium Coal Samples

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

Mercury in whole coal and bological tissue by continuous flow-cold vapor-atomic absorption spectrometry

pBy Richard M. O'Leary

Table 11: Operating conditions for determination of Hg in coal and biological tissue by CV-AAS

Lamp Hg hollow cathode
Slit 0.7 nm
Wavelength 253.7 nm
Recorder 2 mV full-scale response, 5 mm/min
AA recorder mode TC3

0.0147 mg/mL

 approximately 28 mm on recorder paper

 

Table 12: Analytical performance summary for Hg (ppm) in coal and biological tissue by CV-AAS

[A=National Institute of Standards and Tehcnology, 1983; B-Lengyel and others, 1994; C=National Bureau of Standards (NBS), 1974; D=Wilson, 1994; E=NBS, 1978; F=Govindaraju, 1989; G=Potts and others, 1992; H=National Research Council of Canada, 1983]

Reference Description n Mean s pv %RSD %R
SRM 1566a oyster tissue 10 0.060 0.009 0.0642 A cv 15 93
SRM 1632b coal (bituminous) 15 0.068 0.005 0.077 B 7 88
SRM 1632 coal 11 0.9 0.01 0.12 C cv 12 75
CLB-1 coal 20 0.15 0.01 0.12 D ? 8 125
SRM 1632a coal fly ash 14 0.119 0.007 0.13 E cv 6 92
SRM 1633b coal fly ash 20 0.12 0.01 0.141 D 11 87
MESS-1 marine sediment 20 0.18 0.02 0.171 F 11 102
SDO-1 shale 20 0.18 0.01 0.19 G 6 95
TORT-1 lobster 10 0.32 0.02 0.33 H cv 6 97
Duplicate samples k n Mean s %RSD Concentration range No. of < (total) No. of < (pairs)
Whole coal 34 2 0.103 0.008 8 0.01 to 0.51 0 0
Biological tissue 16 2 0.55 0.04 8 0.02 to 2.3 0 0
Method blank n Mean s 3s 5s
  37 0.001 0.003 0.009 0.02

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