Analytical methods

ExperimentID EXA000756
ChemicalID CH0001179
Chemical Name ΣChlorinated dodecanes
Official Method No
Chromatography GC
Chromatography mfr. 6890, Agilent; 7890, Agilent
Column DB-5ms 15 m x 0.25 mm
Column mfr. Agilent
Detector TOF-MS
Detector mfr. AutoSpec Ultima, Waters; AutoSpec Premier, Waters
Ionization EI or NICI
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 Silica gel, Silica gel sulfate, Anhydrous sodium sulfate; Eluted with Dichloromethane/Hexane (20:80) (Second fraction)
Clean-up 2nd Column cleanup
Clean-up 2nd Details Florisil, Anhydrous sodium sulfate; Eluted with Dichloromethane/Hexane (20:80)
Clean-up Spike 1,5,5,6,6,10-Hexachlorinated decanes-13C10
Syringe Spike Naphthalene-d8; Acenaphtene-d10; Phenanthrene-d10; Fluoranthene-d10; Chrysene-d12
Recovery Correction
Instrument Detection Limit
Instrument Quantification Limit
Method Detection Limit 300 pg/L
Method Quantification Limit 700 pg/L
Recovery (CRM)
Recovery (spiked)
Recovery (IS)
Remarks Analysis method: p.1-2; Resolution: 10,000
RegisterDate 2023/1/26
UpdateDate 2023/1/26