Table 2.
Acid microwave-assisted digestion treatment program
| Parameter | Setting |
|---|---|
| Digestion solution | 5 mL HNO3 |
| Sample mass/g | 25–60 mg |
| Microwave power/W | 1500 |
| Ramp time/min | 15 |
| Temperature/ºC | 170 |
| Hold time/min | 15 |
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