50 µL CSR-LVSI with 5 ng Nitrosamines, THF, and 1,4-Dioxane On-Column

Peaks
1.Tetrahydrofuran
2.1,4-Dioxane
3.N-Nitrosodimethylamine
4.N-Nitrosomethylethylamine
Peaks
5.N-Nitrosodiethylamine
6.N-Nitrosopyrrolidine
7.N-Nitrosodi-n-propylamine
8.N-Nitrosopiperidine
9.N-Nitrosodi-n-butylamine
* Toluene contaminant
image
GC_EV1342
ColumnRxi®-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 BGB P/N: 2553LD
Sample1,4-Dioxane (cat.# 30287)
Nitrosamine calibration mix, Method 521 (cat.# 31898)
Tetrahydrofuran (THF) (cat.# 30414)
Diluent:Dichloromethane
Conc.:0.1 µg/mL
Injection
Inj. Vol.:50 µL splitless (hold 1.5 min)
Liner:Custom Premium single taper 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 GasHe, constant flow
Flow Rate:5.08 mL/min
DetectorMS
Mode:SIM
SIM Program:
GroupStart Time
(min)
Ion(s) (m/z)Dwell (ms)
19.7042, 46, 71, 72, 78, 80 40
210.2558, 62, 64, 88, 96 40
310.7542, 43, 46, 48, 74, 80 40
411.5042, 44, 56, 88, 102 40
514.0056, 68, 70, 78, 86, 100, 130, 144 25
616.2055, 56, 84, 114 40
717.5099, 116, 141, 158 40
Transfer Line Temp.:320 °C
Analyzer Type:Quadrupole
Source Temp.:230 °C
Quad Temp.:150 °C
Solvent Delay Time:9.7 min
Tune Type:BFB
Ionization Mode:EI
InstrumentAgilent 7890A GC & 5975C MSD
Download PDF

Consigli per la stampa! Per stampare cromatogrammi su tutta la pagina, cambiare le impostazioni di stampa nella finestra di stampa del vostro software PDF reader: 1)"adatta" o "adatta alla pagina", 2)"panorama" per cromatogrammi grandi o "ritratto" per cromatogrammi alti.