ExperimentID |
EXA000631 |
ChemicalID |
CH0001639
|
Chemical Name |
N,N-Dimethyldithiocarbamamic acid |
Official Method |
No |
Chromatography |
LC |
Chromatography mfr. |
ExionLC, AB Sciex |
Column |
RP-Amide 100 mm x 2.1 mm, 3 μm |
Column mfr. |
Ascentis |
Detector |
MS/MS |
Detector mfr. |
QTRAP 6500QT, AB Sciex |
Ionization |
SRM-ESI-negative |
Extraction |
Solvent Extraction |
Extraction Details |
Extracted with Methanol 35 mL, 0.5 % Cysteine / EDTA 40 mL; Shaken vigorously for 15 min. Then, centrifuged 2,000 rpm for 10 min.; Repeated these procedures twice. |
Clean-up 1st |
Column cleanup |
Clean-up 1st Details |
Oasis HLB Plus, 225 mg / 60 μm; Run the extract (after derivatization) through the cartridge at 20 mL / min.; Remove interfering substance with purified water 5 mL; Eluted with Acetonitrile 4 mL |
Clean-up 2nd |
|
Clean-up 2nd Details |
|
Clean-up Spike |
|
Syringe Spike |
|
Derivatization |
Dimethyl sulfate 100 μL; Adjusted to pH7.5-pH8.0 with sodium chloride; Shaken vigorously for 10 min. |
Recovery Correction |
|
Instrument Detection Limit |
|
Instrument Quantification Limit |
|
Method Detection Limit |
1.3 ng/g dry |
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.4 |
RegisterDate |
2022/12/08 |
UpdateDate |
2022/12/08 |