Analytical methods

ExperimentID EXA000246
ChemicalID CH0000030
Chemical Name p,p'-DDD
Official Method No
Chromatography GC
Chromatography mfr. HP7890A, Agilent
Column RH-12ms 60 m x 0.25 mm
Column mfr. INVENTX
Detector HRMS
Detector mfr. AutoSpec Premier, Waters
Ionization SIM-EI
Extraction Soxhlet Extraction
Extraction Details Air collection: QFF, PUF and ACF; Extracted with Acetone and Toluene (QFF, ACF), with Acetone (PUF)
Clean-up 1st Column cleanup
Clean-up 1st Details Column cleanup: Supelclean Sulfoxide 6 g; Remove interfering substance with Hexane; Eluted with Acetone
Clean-up 2nd Multilayer silica gel column cleanup
Clean-up 2nd Details Silica gel, Sulfuric acid/Silica gel (22:78), Sulfuric acid/Silica gel (44:56), Silica gel, Potassium hydroxide/Slica gel (2:98), Silica gel; Eluted with Hexane (First fraction), Dichloromethane/Hexane (50:50) (Second fraction)
Clean-up Spike 13C12-p,p'-DDD
Syringe Spike 13C12-PCB#70
Derivatization
Recovery Correction
Instrument Detection Limit
Instrument Quantification Limit
Method Detection Limit 0.03 pg/m3
Method Quantification Limit 0.07 pg/m3
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.444; Resolution: 10,000
RegisterDate 2021/6/04
UpdateDate 2021/6/04