表1.
13种HBQs的质谱参数及保留时间
| Compound | Ion pair (m/z) |
Retention time/min |
DP/V | CE/eV | EP/V | CXP/V | |
|---|---|---|---|---|---|---|---|
| 2,5-Dichloro-1,4-benzoquinone (2,5-DCBQ) | 177.0> | 35.0 | 5.19±0.01 | -70 | -40 | -10 | -6 |
| 177.0> | 113.1* | -70 | -40 | -10 | -6 | ||
| 2,6-Dichloro-1,4-benzoquinone (2,6-DCBQ) | 177.0> | 35.0 | 5.35±0.01 | -70 | -40 | -10 | -6 |
| 177.0> | 113.1* | -70 | -40 | -10 | -6 | ||
| 2,5-Dibromo-1,4-benzoquinone (2,5-DBBQ) | 266.9> | 79.0 | 6.20±0.01 | -60 | -50 | -10 | -10 |
| 266.9> | 81.0* | -60 | -50 | -10 | -10 | ||
| 2,6-Dibromo-1,4-benzoquinone (2,6-DBBQ) | 266.9> | 79.0 | 6.52±0.02 | -60 | -50 | -10 | -10 |
| 266.9> | 81.0* | -60 | -50 | -10 | -10 | ||
| 2,6-Dichloro-3-methyl-1,4-benzoquinone (DCMBQ) | 190.0> | 35.0 | 7.73±0.01 | -90 | -43 | -10 | -6 |
| 191.0> | 126.9* | -90 | -24 | -10 | -6 | ||
| 2,3,6-Trichloro-1,4-benzoquinone (TriCBQ) | 210.9> | 35.0 | 7.90±0.01 | -100 | -50 | -10 | -10 |
| 210.9> | 175.0* | -70 | -20 | -10 | -10 | ||
| 2,6-Diiodo-1,4-benzoquinone (2,6-DIBQ) | 360.0> | 127.0* | 8.19±0.01 | -70 | -33 | -10 | -10 |
| 361.0> | 127.0 | -70 | -45 | -10 | -10 | ||
| 2,3,5,6-Tetrachloro-1,4-benzoquinone (TCBQ) | 245.0> | 208.9* | 9.98±0.01 | -50 | -20 | -10 | -10 |
| 247.0> | 210.9 | -70 | -25 | -10 | -10 | ||
| 2,6-Dibromo-3,5-dimethyl-1,4-benzoquinone (2,6-DBDMBQ) | 293.9> | 78.9 | 10.00±0.01 | -60 | -50 | -10 | -10 |
| 293.9> | 80.9* | -60 | -50 | -10 | -10 | ||
| 2,3-Dibromo-5,6-dimethyl-1,4-benzoquinone (2,3-DBDMBQ) | 293.9> | 78.9 | 10.22±0.01 | -60 | -50 | -10 | -10 |
| 293.9> | 80.9* | -60 | -50 | -10 | -10 | ||
| 2,3,5,6-Tetrabromo-1,4-benzoquinone (TBBQ) | 424.7> | 79.0 | 10.54±0.02 | -70 | -74 | -10 | -10 |
| 424.7> | 81.0* | -74 | -74 | -10 | -10 | ||
| 3,4,5,6-Tetrachloro-1,2-benzoquinone (TC-1,2-BQ) | 245.0> | 35.0* | 11.45±0.01 | -50 | -50 | -10 | -6 |
| 247.0> | 35.0 | -50 | -50 | -10 | -6 | ||
| 3,4,5,6-Tetrabromo-1,2-benzoquinone (TB-1,2-BQ) | 424.7> | 79.0 | 11.63±0.01 | -70 | -74 | -10 | -10 |
| 424.7> | 81.0* | -70 | -74 | -10 | -10 | ||
DP: declustering potential; CE: collision energy; EP: entrance potential; CXP: cell exit potential; * quantitative ion.