Analytical methods

ExperimentID EXA000386
ChemicalID CH0000939
Chemical Name hepta-PCNs
Official Method No
Chromatography GC
Chromatography mfr. 6890, Agilent; 7683, Agilent
Column HT8-PCB 60 m x 0.25 mm
Column mfr. GL Sciences
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;
Clean-up 1st Multilayer column cleanup; GPC
Clean-up 1st Details Multilayer column cleanup: Silica Gel, Silica Gel Sulfate(50:50), Anhydrous sodium sulfate; Eluted with Hexane (First fraction), Dichloromethane/Hexane (20:80) (Second fraction)
Clean-up 2nd Column cleanup
Clean-up 2nd Details Florisil; Eluted with Dichloromethane/Hexane (20:80)
Clean-up Spike 13C101,2,3,4,5,6,7-Heptachloronaphthalene
Syringe Spike 13C12-PCB#9, #19, #70, #111, #155, #178, or #202
Recovery Correction
Instrument Detection Limit
Instrument Quantification Limit
Method Detection Limit 0.6 pg/L
Method Quantification Limit 1.5 pg/L
Recovery (CRM)
Recovery (spiked)
Recovery (IS)
Remarks Analysis method: p.1; Resolution: 10,000
RegisterDate 2022/6/02
UpdateDate 2022/6/02