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MS/MS settings for compound-dependent parameters for metformin and internal standard isoniazid.
| Metformin | Isoniazid (IS) | |
|---|---|---|
| Q1 mass [M + H]+ | 130.1 | 138.1 |
| Q3 mass/product ion transitions (m/z) | 60.1 | 121.1 |
| Qualifier product ion transitions (m/z) | 70.9 | 79.0 |
| Declustering potential (V) | 26.0 | 31.0 |
| Entrance potential (V) | 4.5 | 7.5 |
| Collision energy (V) | 17.0 | 15.0 |
| Collision cell exit potential (V) | 4.0 | 4.0 |
