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Lower limit of detection of all three devices for four Europa-relevant salt analytes [32].
| LOD (µM) | NaCl | MgSO4 | Na2SO4 | KCl |
|---|---|---|---|---|
| Device 1 | 80 ± 30 | 20 ± 10 | 40 ± 20 | 100 ± 20 |
| Device 2 | 100 ± 50 | 30 ± 10 | 20 ± 10 | 60 ± 10 |
| Device 3 | 70 ± 30 | 60 ± 30 | 40 ± 10 | 100 ± 10 |
