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MA DEP EPH Aliphatics on Rxi-5Sil MS

GC_EV1482
PeakstR (min)Conc.
(µg/mL)
1.Nonane2.7012.5
2.n-Decane3.6212.5
3.n-Dodecane5.2712.5
4.n-Tetradecane6.6612.5
5. n-Hexadecane7.8912.5
6.n-Octadecane8.9912.5
7.n-Nonadecane9.5012.5
PeakstR (min)Conc.
(µg/mL)
8.n-Eicosane9.9912.5
9.1-Chlorooctadecane (SS)10.4020.0
10.n-Docosane10.9012.5
11.n-Tetracosane11.7812.5
12.n-Hexacosane12.8112.5
13.n-Octacosane14.0512.5
14.n-Triacontane15.5012.5
15.n-Hexatriacontane20.4212.5
ColumnRxi-5Sil MS, 30 m, 0.32 mm ID, 0.25 µm (cat.# 13624)
Standard/SampleMA EPH aliphatic hydrocarbon standard (cat.# 31459)
1-Chlorooctadecane (cat.# 31098)
Diluent:Hexane
Injection
Inj. Vol.:1 µL splitless (hold 1.5 min)
Liner:Topaz 4 mm ID single taper inlet liner w/ wool (cat.# 23303)
Inj. Temp.:300 °C
Purge Flow:50 mL/min
Oven
Oven Temp.:55 °C (hold 1.5 min) to 250 °C at 20 °C/min to 330 °C at 6 °C/min (hold 2.0 min)
Carrier GasHe, constant flow
Flow Rate:5 mL/min
DetectorFID @ 340 °C
Make-up Gas Flow Rate:45 mL/min
Make-up Gas Type:H2
Hydrogen flow:40 mL/min
Air flow:450 mL/min
Data Rate:50 Hz
InstrumentAgilent 7890A GC
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