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Table 1
Experimental conditions used on ICP-MS and ICP-OES equipment to determine inorganic elements in all samples.
| Parameter | Experimental conditions |
|---|---|
| ICP-OES | |
| Radio frequency power (RF) | 1350 W |
| Plasma view | Axial |
| Nebulizer | Concentric nebulizer |
| Spray chamber | Standard glass cyclonic |
| Ceramic centre tube | 2 mm |
| Purge gas | Argon |
| Nebulizer argon flow rate | 0.50 L/min |
| Auxiliary argon flow rate | 0.5 L/min |
| Coolant argon flow rate | 12 L/min |
| Sample flush time | 30 s |
| Analysis pump rate | 50 rpm |
| Analysis mode | Speed |
| Software | iTEVA |
| ICP-MS | |
| Radio frequency power (RF) | 1550 W |
| Nebulizer argon flow rate | 0.95 L/min |
| Auxiliary argon flow rate | 0.80 L/min |
| Coolant argon flow rate | 14.0 L/min |
| KED (He) or CCT (H2/He) | 6.0 mL/min |
| Dwell time | 10 ms |
| Extraction | −50.00 V |
| Sample uptake rate | 0.40 mL/min |
| Spray chamber | Cyclonic |
| Nebulizer | Meinhard ESI MicroFlow PFA-ST |
| Software | Qtegra |
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