Table 2. Specificity for DEM and DEX and Their IS (n = 3).
| analyte/internal standard | % of interference for DEM | % of interference for DEM-d3 | % of interference for DEX | % of interference for DEX-d3 |
|---|---|---|---|---|
| DEM (400 ng/mL) | 0.00 | 0.17 | 0.00 | |
| DEM-d3 (50 ng/mL) | 0.08 | 0.00 | 0.00 | |
| DEX (200 ng/mL) | 0.02 | 0.00 | 0.00 | |
| DEX-d3 (40 ng/mL) | 0.00 | 0.00 | 0.03 | |
| QN (2000 ng/mL) | 0.00 | 0.00 | 0.00 | 0.00 |