Analytical methods
| ExperimentID | EXA000215 |
|---|---|
| ChemicalID | CH0001179 |
| Chemical Name | ΣChlorinated dodecanes |
| Official Method | No |
| Chromatography | GC |
| Chromatography mfr. | 7200 Q-TOF, Agilent |
| Column | DB-5ms 15 m x 0.25 mm, 0.1 μm |
| Column mfr. | Agilent |
| Detector | TOF-MS |
| Detector mfr. | 7200 Q-TOF, Agilent |
| Ionization | EI or NICI |
| Extraction | Solvent Extraction |
| Extraction Details | Ultrasonic extraction: Extracted with Acetone. After filtration, wash the residue in Acetone.; Soxhlet Extraction: Extracted with Toluene. |
| Clean-up 1st | Sulfate treatment |
| Clean-up 1st Details | Sulfate |
| Clean-up 2nd | Malti-layer column cleanup; GPC; Florisil column |
| Clean-up 2nd Details | Malti-layer column cleanup: Silica Gel, Copper powder, Silica Gel Sulfate, Anhydrous sodium sulfate. Washed/Eluted with Dichloromethane/Hexane (20:80); Gel permeation chromatography: Acetone/Cyclohexane (20:80), Precolumn: Shodex EV-G AC, Column: Shodex EV-2000 AC; Florisil column: Washed in Hexane. Eluted with Acetone. |
| Clean-up Spike | 13C12-PCB#3, #8, #11, #28, #31, #52, #77, #81, #101, #105, #114, #118, #123, #126, #138, #153, #156, #157, #167, #169, #170, #180, #189, #206 or #209 |
| Syringe Spike | 13C12-PCB#111 |
| Derivatization | |
| Recovery Correction | |
| Instrument Detection Limit | |
| Instrument Quantification Limit | |
| Method Detection Limit | 2000 pg/g dry |
| Method Quantification Limit | 6000 pg/g dry |
| Repeatability | |
| Standard | |
| Recovery (CRM) | |
| Recovery (spiked) | |
| Recovery (IS) | |
| Protocol | https://www.env.go.jp/chemi/kurohon/2019/shosai/3_7.pdf |
| Remarks | Analysis method: p.438; Resolution: 13,000 |
| RegisterDate | 2021/5/24 |
| UpdateDate | 2021/5/24 |