Table 9.
NIST DTSA-II SDD-EDS analysis of SrWO4 at E 0 = 10 keV; SrF2 and W as references and standards; O by stoichiometry; 15 replicates
| Parameter | Raw analytical total (mass concentration) | O (atomic conc., by stoichiometry) | Sr (atomic conc.) | W (atomic conc.) |
|---|---|---|---|---|
| Mean | 1.0017 | 0.6660 | 0.1678 | 0.1661 |
| Relative error (%) | −0.10 | 0.68 | −0.33 | |
| σ | 0.0019 | 0.00053 | 0.00065 | 0.00033 |
| σ relative (%) | 0.19 | 0.80 | 0.39 | 0.20 |
| O (mass conc.) | Sr (mass conc.) | W (mass conc.) | ||
|---|---|---|---|---|
| Single analysis | 1.0029 | 0.1913 | 0.2627 | 0.5489 |
| Relative error (%) | 0.27 | 0.58 | 0.16 | |
| k error (%) | 0.0007, 0.27 | 0.0009, 0.16 | ||
| A-factor error (%) | 0.0093, 3.5 | 0.0077, 1.4 | ||
| Z-factor error (%) | 2.7E−5, 0.010 | 5.8E−5, 0.011 | ||
| Combined errors (%) | 0.0093, 3.5 | 0.0078, 1.4 |