Table 4.
Target OPEs, retention time (tr), time window, monitoring ions (quantifier ions and qualifier, with their percentage abundances in brackets) used in SIM mode, regression analysis calibration data, accuracy, precision and instrumental detection and quantitation limits.
| Targets | tr min | Time window (min) | Monitoring ions | r 2 | Regression equation | RRF, CV | Recovery (Repeatability, CV) (n = 5) | Intermediate precision, CV (n = 5) | LOD pg | LOQ pg | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| m/za | Qb | 50 pg | 500 pg | 2000 pg | 50 pg | 500 pg | 2000 pg | ||||||||
| TEP | 7.05 | 6.54~9.46 | 99 | 155 (95), 127 (71) | 0.9998 | Y = 2.21X | 2.9 | 117 (1.5) | 90 (6.0) | 96 (3.7) | 4.4 | 5.0 | 8.1 | 2.7 | 9.0 |
| TPP | 11.90 | 9.46~13.64 | 99 | 141 (34), 183 (3) | 0.9995 | Y = 5.80X | 4.7 | 127 (1.9) | 103 (9.8) | 107 (7.3) | 4.9 | 3.6 | 7.7 | 3.7 | 12.0 |
| TNBP | 15.64 | 13.64~16.31 | 155 | 125 (27), 211 (25) | 0.9989 | Y = 4.34X | 3.9 | 119 (6.5) | 96 (8.5) | 106 (7.4) | 5.2 | 2.5 | 8.8 | 12.0 | 39.0 |
| TCEP | 17.15 | 16.31~20.15 | 249 | 251 (64) | 0.9967 | Y = 0.81X | 9.6 | 107 (4.1) | 91 (6.2) | 111 (7.9) | 7.4 | 4.5 | 8.1 | 6.6 | 22.0 |
| TCIPP | 17.46 | 16.31~20.15 | 277 | 279 (66) | 0.9986 | Y = 0.47X | 5.6 | 127 (5.0) | 104 (13.2) | 108 (6.8) | 4.5 | 3.4 | 7.4 | 9.5 | 32.0 |
| TDCIPP | 23.02 | 20.15~25.26 | 381 | 379 (62) | 0.9975 | Y = 0.28X | 5.5 | 126 (4.4) | 115 (2.2) | 113 (2.0) | 6.7 | 12.2 | 6.1 | 8.4 | 28.0 |
| TBOEP | 23.72 | 20.15~25.26 | 199 | 299 (39) | 0.9969 | Y = 0.20X | 8.9 | 122 (6.7) | 92 (9.5) | 124 (9.8) | 10.8 | 12.5 | 7.0 | 12.0 | 41.0 |
| TPHP | 23.83 | 20.15~25.26 | 326 | 325 (79) | 0.9963 | Y = 1.40X | 6.1 | 133 (5.5) | 109 (1.5) | 102 (0.7) | 4.5 | 11.7 | 3.2 | 11.0 | 37.0 |
| EHDPP | 24.00 | 20.15~25.26 | 251 | 250 (22) | 0.9997 | Y = 2.46X | 8.9 | 82 (9.9) | 93 (11.1) | 121 (5.6) | 11.6 | 3.8 | 10.6 | 12.0 | 44.0 |
| TEHP | 24.19 | 20.15~25.26 | 99 | 113 (25), 341 (16) | 0.9942 | Y = 6.95X | 8.1 | 102 (5.2) | 107 (8.9) | 116 (3.8) | 11.8 | 8.2 | 12.5 | 8.0 | 27.0 |
aQuantifier ion, bqualifier ion (s).