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Analysis of the mean matrix effects (%ME), mean recovery efficiency (%RE), and mean processing efficiency (%PE) for each analyte and corresponding internal standard (IS).
| %ME |
%RE |
%PE |
||||
|---|---|---|---|---|---|---|
| Analyte | IS | Analyte | IS | Analyte | IS | |
| Morphine | 104 | 102 | 84 | 85 | 87 | 87 |
| Morphine-3-β-Glucuronide | 97 | 90 | 72 | 73 | 70 | 67 |
| Morphine-6-β-Glucuronide | 114 | 121 | 74 | 75 | 85 | 91 |
| Hydromorphone | 101 | 101 | 81 | 84 | 82 | 84 |
| Normorphine | 88 | a | 73 | a | 64 | a |
Morphine-6-β-Glucuronide-D3 used as internal standard
