Analytical methods

ExperimentID EXA000608
ChemicalID CH0000613
Chemical Name Octamethylcyclotetrasiloxane
Official Method No
Chromatography GC
Chromatography mfr. 7890B, Agilent
Column J&W DB-5ms 30 m x 0.25 mm, 0.25 μm (connected with non-polar precolumn 1 m x 0.32 mm)
Column mfr. Agilent
Detector MS
Detector mfr. 7000C, Agilent
Ionization SIM-EI
Extraction SPE
Extraction Details Heat the water sample in the gas-washing bottle up to 50 ℃ and insonate it while aeration for 120 min.; Sep-Pac Plus PS-2; Eluted with Hexane
Clean-up 1st
Clean-up 1st Details
Clean-up 2nd
Clean-up 2nd Details
Clean-up Spike Octamethylcyclotetrasiloxane-13C8
Syringe Spike naphthalene-d8
Recovery Correction
Instrument Detection Limit
Instrument Quantification Limit
Method Detection Limit 2.7 ng/L
Method Quantification Limit
Recovery (CRM)
Recovery (spiked)
Recovery (IS)
Remarks Analysis method: p.3
RegisterDate 2022/11/25
UpdateDate 2022/11/25