Pure Chromatography
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0.50 ng/L N-Nitrosodimethylamine (NDMA) Laboratory Fortified Drinking Water Sample Extract on Rxi-5Sil MS
Peaks | Conc. (ng/mL) | m/z | |
---|---|---|---|
1. | N-Nitrosodimethylamine-d6![]() | 10 | 80 |
Peaks | Conc. (ng/mL) | m/z | |
---|---|---|---|
2. | N-Nitrosodimethylamine![]() | 0.025 | 74 |
Sample fortified at 0.5 ng/L N-nitrosodimethylamine. Final extract concentration is 0.025 ng/mL.

GC_EV1348
Column | Rxi-5Sil MS, 30 m, 0.25 mm ID, 1.00 µm (cat.# 13653) |
using Rxi guard column 10 m, 0.53 mm ID (cat.# 10073) | |
with SGE µ-union | |
Sample | |
Diluent: | Dichloromethane |
Injection | |
Inj. Vol.: | 50 µL splitless (hold 1.5 min) |
Liner: | Custom Premium single taper liner with 15 mg quartz wool |
Inj. Temp.: | 275 °C |
Purge Flow: | 100 mL/min |
Oven | |
Oven Temp.: | 35 °C (hold 1.5 min) to 50 °C at 50 °C/min (hold 7.1 min) to 320 °C at 11.12 °C/min (hold 1.5 min) |
Carrier Gas | He, flow program |
Flow Program: | 5.08 mL/min (hold 8.9 min) to 2.0 mL/min at 1.0 mL/min/min |
Detector | MS |
Mode: | SIM |
SIM Program: | 42, 43, 46, 48, 74, 80 m/z |
Transfer Line Temp.: | 320 °C |
Analyzer Type: | Quadrupole |
Source Type: | Inert |
Source Temp.: | 230 °C |
Quad Temp.: | 150 °C |
Solvent Delay Time: | 9.9 min |
Tune Type: | BFB |
Ionization Mode: | EI |
Instrument | Agilent 7890A GC & 5975C MSD |
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