The Chemical Analysis of Argonne Premium Coal Samples
Edited by Curtis A. Palmer
1997
U.S. Geological Survey Bulletin 2144
Determination of Selected Elements in Coal Ash from Eight Argonne Premium Coal Samples by Atomic Absorption Spectrometry and Atomic Emission Spectrometry
By Michael W. Doughten
Table 3. FAAS (flame atomic absorption spectrometry) operating conditions.
[Flame is fuel lean air-acetylene]
| Co | Li | |
| Wavelength | 240.7 nm | 670.8 nm |
| Bandpass | 0.7 nm | 0.4 nm |
| Source lamp | Hollow cathode | Hollow cathode |
| Background correction | Deuterium | None |
| Calibration standard concentration range | 0-5 µg/mL | 0-2 µg/mL |
| Lower limit | 0.1 µg/mL | 0.1 µg/mL |
Table 4. ICAP-AES (inductively coupled argon plasma-atomic emission spectrometry) wavelengths, calibration ranges, and detection limits.
| Element | Wavelength (nm) |
Calibration range1 (µg/mL) |
Limit of detection (in solution) (g/mL) |
| Al | 308.2 | 0-2 | 0.5 |
| Ba | 455.4 | 0-20 | .5 |
| Be | 313.0 | 0-1 | .1 |
| Ca | 317.9 | 0-1 | .5 |
| Fe | 259.9 | 0-20 | .5 |
| K | 766.5 | 10-200 | 10 |
| Mg | 280.2 | 0-10 | .5 |
| Mn | 257.6 | 0-10 | .5 |
| Na | 589.0 | 0-10 | .5 |
| Ni | 231.6 | 0-1 | .1 |
| P | 214.9 | 0-50 | 1 |
| Sr | 407.7 | 0-5 | .1 |
| Ti | 334.9 | 0-100 | 1 |
| V | 292.4 | 0-1 | .1 |
| Zn | 213.8 | 0-1 | .1 |
1Calibration standard concentration range.
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