Table 2 Regression statistics for Al I (396.4 nm) and Fe I (373.5 nm) calibration curves obtained with and without MW enhancements using multifiber LIBS.
From: Improvement of SNR in laser-induced breakdown spectroscopy using microwave and multifiber synergy
Condition | Slope (a) | Intercept (b) | sy (a.u.) | LOD (wt.%) | LOQ (wt.%) | |
|---|---|---|---|---|---|---|
Al I | With MW | 1.58 × 10⁶ | − 1.47 × 10⁸ | 310,500.74 | 0.59 | 1.966 |
Without MW | 1.94 × 105 | − 1.83 × 10⁷ | 65,772.13 | 1.016 | 3.386 | |
Fe I | With MW | 8.86 × 105 | 7.79 × 103 | 15,084.83 | 0.323 | 0.510 |
Without MW | 3.14 × 104 | 3.07 × 104 | 1412.12 | 0.378 | 0.678 |
