Table 1.
Coefficient of variation of ion intensity of selected ions present in the QC samples covering the range of retention times.
| tR/min | m/z | QC1 | QC2 | QC3 | QC4 | QC5 | QC6 | RSD% |
|---|---|---|---|---|---|---|---|---|
| 4.39 | 130.0573 | 56.5378 | 58.3629 | 58.1603 | 57.7151 | 59.0679 | 62.8349 | 3.67 |
| 6.09 | 297.0975 | 88.5787 | 91.6349 | 91.1278 | 89.7099 | 86.3001 | 97.5877 | 4.21 |
| 5.61 | 170.0598 | 44.5789 | 43.3307 | 45.2503 | 44.2478 | 44.3457 | 46.7744 | 2.61 |
| 9.45 | 219.1748 | 25.1735 | 25.5398 | 25.5799 | 25.4988 | 24.7218 | 25.1918 | 1.29 |
| 1.03 | 229.1561 | 121.4306 | 124.3145 | 120.193 | 123.2513 | 117.2136 | 113.4153 | 3.38 |
| 10.36 | 274.2730 | 68.6143 | 65.7671 | 64.5479 | 65.9154 | 66.5988 | 67.0768 | 2.07 |
| 4.34 | 302.3177 | 9.6369 | 10.1616 | 9.7275 | 10.1336 | 9.8602 | 10.0973 | 2.27 |
| 3.00 | 162.0587 | 25.6528 | 26.0563 | 26.5049 | 25.8306 | 25.9380 | 26.1811 | 1.14 |
| 3.61 | 164.0695 | 74.6306 | 67.4420 | 75.1082 | 72.7909 | 70.5433 | 69.5560 | 4.21 |
| 9.53 | 149.0436 | 95.0513 | 98.4203 | 96.6133 | 95.0106 | 102.2311 | 97.0951 | 2.77 |