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Linearity, limit of detection, and limit of quantification of Rb/Cs.
| Elemental | Standard solution range(ug·L−1) | Calibration curves | R2 | LDQsolvent (ug·L−1) | LDQ matrix (ug·L−1) |
|---|---|---|---|---|---|
| Rb | 5-400 | y=0.0072x-0.013 | 0.9998 | 0.030 | 0.039 |
| Cs | 5-400 | y=0.0030x-0.0050 | 0.9999 | 0.003 | 0.005 |
