METHODS FOR SAMPLING AND
INORGANIC ANALYSIS OF COAL
U.S. Geological Survey
Bulletin 1823
Edited by D.W. Golightly and F.O. Simon
Table 20. Detection limits, sensitivities, and calibration ranges for flame and graphite-furnace atomic absorption spectrometry
Concentrationa, b in Solution for | |||||
Element | Wavelength (nm) | Detection Limit | Sensitivityc | Upper Limit of Linear Calibration | Usable Nonlinear Range |
Cda | 228.8 | 0.05 | 0.065 | 5.0 | 5-20 |
Cub | 324.7 | 0.02 | 0.07 | 5.0 | 5-15 |
Lib | 670.8 | 0.02 | 0.035 | 2.0 | 2-10 |
Mgb | 285.2 | -- | 0.008 | 0.5 | 0.5-2 |
Mnb | 279.5 | 0.04 | 0.07 | 3.0 | 3-10 |
Nab | 589.0 | -- | 0.02 | 1.0 | 1-5 |
Pbb | 217.0 | 0.08 | 0.2 | 5.0 | 5-25 |
Znb | 213.9 | 0.01 | 0.02 | 2.0 | 2-10 |
aGraphite-furnace
AAS (ng/mL). bFlame AAS (m g/mL). cFor 0.0044 absorbance. |
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