Analytical methods

ExperimentID EXA000454
ChemicalID CH0001179
Chemical Name ΣChlorinated dodecanes
Official Method No
Chromatography GC
Chromatography mfr. 7200 Q-TOF, Agilent
Column DB-5ms 60 m x 0.25 mm
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, the residue: Soxhlet Extraction: Extracted with Toluene.
Clean-up 1st Sulfate treatment
Clean-up 1st Details Sulfate
Clean-up 2nd Malti-layer column cleanup; Column cleanup
Clean-up 2nd Details Malti-layer column cleanup: Silica Gel, Copper powder, Silica Gel Sulfate, Anhydrous sodium sulfate. Eluted with Hexane (First fraction), Dichloromethane/Hexane (20:80) (Second fraction); Column cleanup: Potassium hydroxide/Silica Gel (2:98), Eluted with Dichloromethane/Hexane (50:50)
Clean-up Spike
Syringe Spike 13C12-PCB#9, #19, #70, #111, #115, #178, #202 or #209
Recovery Correction
Instrument Detection Limit
Instrument Quantification Limit
Method Detection Limit 1000 pg/g dry
Method Quantification Limit 2000 pg/g dry
Recovery (CRM)
Recovery (spiked)
Recovery (IS)
Remarks Analysis method: p20; Resolution: 13,000
RegisterDate 2022/7/12
UpdateDate 2022/7/12