Table 2.
Coefficient of variation of ion intensity of selected ions present in the QC samples covering the range of retention times.
| TR_m/z Pairs | QC1 | QC2 | QC3 | QC4 | QC5 | QC6 | RSD% |
|---|---|---|---|---|---|---|---|
| 1.58_218.1055 | 21.69666 | 22.13039 | 19.78364 | 19.24688 | 19.91056 | 20.79174 | 5.56 |
| 2.02_160.0429 | 21.94678 | 21.72565 | 19.82855 | 19.83975 | 19.87191 | 21.20539 | 4.84 |
| 3.01_336.0743 | 86.66117 | 88.21009 | 87.51105 | 88.2303 | 83.3309 | 86.05141 | 2.13 |
| 4.3_113.0266 | 94.79924 | 94.10457 | 94.61891 | 96.31335 | 94.83017 | 94.60155 | 0.79 |
| 5.99_417.1196 | 98.49249 | 98.61852 | 103.366 | 97.91074 | 104.4012 | 96.68017 | 3.17 |
| 7.48_357.1018 | 199.4248 | 198.0985 | 198.6274 | 190.8936 | 201.4087 | 194.3293 | 1.94 |
| 8.26_355.1405 | 126.9033 | 118.2539 | 121.2757 | 123.4014 | 127.2227 | 120.4814 | 2.93 |
| 9.59_291.1269 | 21.91479 | 21.79148 | 21.69425 | 22.98142 | 21.70019 | 22.18444 | 2.24 |
| 11.28_450.2643 | 11.66441 | 13.14806 | 12.26132 | 12.96975 | 13.07599 | 12.1941 | 4.79 |
| 13.24_681.2932 | 18.93239 | 20.19889 | 18.84712 | 18.31389 | 20.96083 | 18.7799 | 5.24 |