Analytical methods

ExperimentID EXA000610
ChemicalID CH0000615
Chemical Name Dodecamethylcyclohexasiloxane
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
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 Dodecamethylcyclohexasiloxane-13C12
Syringe Spike naphthalene-d8
Derivatization
Recovery Correction
Instrument Detection Limit
Instrument Quantification Limit
Method Detection Limit 4.3 ng/L
Method Quantification Limit
Repeatability
Standard
Recovery (CRM)
Recovery (spiked)
Recovery (IS)
Protocol https://www.env.go.jp/chemi/kurohon/2021/shosai/5_2_2.pdf
Remarks Analysis method: p.3
RegisterDate 2022/11/25
UpdateDate 2022/11/25