| ExperimentID | EXA000749 |
|---|---|
| ChemicalID | CH0001173 |
| Chemical Name | trans-Heptachlor Epoxide |
| Official Method | No |
| Chromatography | GC |
| Chromatography mfr. | 6890, Agilent; 7890, Agilent |
| Column | RH-12ms 30 m x 0.25 mm |
| Column mfr. | INVENTX |
| Detector | HRMS |
| Detector mfr. | AutoSpec Ultima, Waters; AutoSpec Premier, Waters |
| Ionization | SIM-EI |
| Extraction | SPE |
| Extraction Details | Sequentially extracted with glass fiber filter GC50 and with SPE disk C18FF; Ultrasonic extraction with Acetone 50 mL, 20 min. x 3 times |
| Clean-up 1st | Column cleanup |
| Clean-up 1st Details | Column cleanup: Florisil, Anhydrous sodium sulfate; Remove interfering substance with Hexane; Eluted with Dichloromethane/Hexane (20:80) |
| Clean-up 2nd | Column cleanup |
| Clean-up 2nd Details | ENVI-Carb; Eluted with Hexane; (This Cleanup process is only for the samples with lots of interfering substances) |
| Clean-up Spike | 13C10-cis-heptachlor epoxide |
| Syringe Spike | 13C12-PCB#9, #19, #70, #111, #155, #178, or #202 |
| Derivatization | |
| Recovery Correction | |
| Instrument Detection Limit | |
| Instrument Quantification Limit | |
| Method Detection Limit | 0.7 pg/L |
| Method Quantification Limit | 1.9 pg/L |
| Repeatability | |
| Standard | |
| Recovery (CRM) | |
| Recovery (spiked) | |
| Recovery (IS) | |
| Protocol | https://www.env.go.jp/chemi/kurohon/2021/shosai/5_3_2.pdf |
| Remarks | Analysis method: p.2; Resolution: 10,000 |
| RegisterDate | 2023/1/26 |
| UpdateDate | 2023/1/26 |