Analytical methods

ExperimentID EXA000298
ChemicalID CH0001618
Chemical Name Cyanamide
Official Method No
Chromatography LC
Chromatography mfr. Prominence, Shimadzu
Column InertSustain C18 150mm x 2.1mm, 5μm
Column mfr. GL Sciences
Detector MS/MS
Detector mfr. 3200 QTRAP, AB Sciex
Ionization SRM-ESI-negative
Extraction LLE; SPE
Extraction Details Extracted with Dichloromethane 3mL, Shaken then kept still standing; SPE extraction with Sep-Pak Silka Plus Long Cartridge 690 mg; Eluted with Dichloromethane/Acetonitrile (60:40) 10mL
Clean-up 1st Filtration
Clean-up 1st Details Filtered with GF/C filter 47mm, Whatman
Clean-up 2nd Washing
Clean-up 2nd Details Cartridge: Washed in Dichloromethane twice
Clean-up Spike
Syringe Spike
Derivatization 10% Dansyl Chloride Acetone solution 60mg/mL and 4-Dimethylaminopyridine Acetone solution 200μL; Shaken and kept at 50 ℃ for 60 min.
Recovery Correction
Instrument Detection Limit
Instrument Quantification Limit
Method Detection Limit 280 ng/L
Method Quantification Limit
Repeatability
Standard
Recovery (CRM)
Recovery (spiked)
Recovery (IS)
Protocol https://www.env.go.jp/chemi/kurohon/2020/shosai/5_1_2.pdf
Remarks Analysis method: p.3
RegisterDate 2022/1/25
UpdateDate 2022/1/25