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The comparison of the signal to noise ratio (S/N) by two methods.
| Compounds | Quantitative ion | Concentration (ng L−1) | S/N1 a | S/N2 b | (S/N1)/(S/N2) |
|---|---|---|---|---|---|
| IBMP | 124 | 10 | 6899 | 1731 | 3.98 |
| 2-MIB | 107 | 10 | 2046 | 906 | 2.26 |
| GSM | 112 | 10 | 737 | 144 | 6.46 |
aS/N1 was obtained by not using segments in SIM mode. bS/N2 was obtained by the MS scan function in SIM mode.
