Analytical methods

ExperimentID EXA000585
ChemicalID CH0001179
Chemical Name ΣChlorinated dodecanes
Official Method No
Chromatography LC
Chromatography mfr. ACQUITY UPLC I class, Waters
Column ACQUITY UPLC BEH C18 50 mm x 2.1 mm, 1.7 μm
Column mfr. Waters
Detector MS
Detector mfr. Xevo G2XS-Qtof, Waters
Ionization SIR-APCI-negative
Extraction Soxhlet Extraction
Extraction Details Air collection: QFF, PUF and ACF; Extracted with Acetone and Toluene (QFF, ACF), with Acetone (PUF)
Clean-up 1st Multilayer silica gel column cleanup
Clean-up 1st Details Sulfuric acid/Silica gel (44:56), Sulfuric acid/Silica gel (22:78); Eluted with Hexane
Clean-up 2nd Column cleanup
Clean-up 2nd Details Column cleanup:Florisil; Remove interfering substance with Hexane; Eluted with Dichloromethane/Hexane (15:85)
Clean-up Spike
Syringe Spike d18-β-HBCD
Derivatization
Recovery Correction
Instrument Detection Limit
Instrument Quantification Limit
Method Detection Limit 90 pg/m3
Method Quantification Limit 260 pg/m3
Repeatability
Standard
Recovery (CRM)
Recovery (spiked)
Recovery (IS)
Protocol https://www.env.go.jp/chemi/kurohon/2020/shosai/5_3_2.pdf
Remarks Analysis method: p.22
RegisterDate 2022/9/27
UpdateDate 2022/9/27