Table 2 Measurement conditions for the EDXRF analysis of soil samples using the spectro Xepos spectrometer. The atmosphere is always air, the duration of each measurement is set to 150 s, and the anode material is made of Pd/Co.
Measurements | Measurement details | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Voltage (kV) | Current (mA) | Plate correction factor | Number of channels | Resolution FWHM (Mn-Kα) (eV) | Input count rate cps | Lifetime (S) | Relative dead time (%) | Zero peak rate (cps) | Temperature of the detector (℃) | |
E ≤ 3 keV | 22.6 | 1.781 | 1,000,000 | 4096 | 133.1 | 38,614 | 137 | 9 | 2,000,000 | -30 |
3 keV ≤ E ≤ 6 keV | 22.6 | 1.781 | 1,000,000 | 4096 | 133.8 | 488,452 | 85 | 43.2 | 2,000,000 | -30 |
6 keV ≤ E ≤ 19 keV | 45.2 | 0.889 | 1,000,000 | 4096 | 133.8 | 219,142 | 98 | 34.4 | 2,000,000 | -30 |
E > 19 keV | 50.2 | 0.799 | 1,000,000 | 4096 | 133.8 | 7634 | 125 | 16.5 | 2,000,000 | -30 |