Table 2. Minimum Detection Limits of Nine Elements.
| element | Y | La | Pr | Nd | Sm | Ho | Er | Yb | Ce |
|---|---|---|---|---|---|---|---|---|---|
| lowest detection (mg/m3) | 10 | 20 | 80 | 90 | 20 | 50 | 50 | 20 | 80 |
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