Alkyl Halide Genotoxic Impurities on Rxi-624Sil MS (High Concentration Injection)

	Peaks	tR (min)
1.	2-Chloropropane	2.10
2.	Bromoethane	2.36
3.	1-Chloropropane	2.72
4.	2-Bromopropane	3.393
5.	Butyl chloride	4.627
6.	1-Bromobutane	5.973

GC_PH1166

Column	Rxi-624Sil MS, 20 m, 0.18 mm ID, 1.00 µm (cat.# 13865)
Sample
Diluent:	DMSO
Conc.:	1 µg/mL
Injection
Inj. Vol.:	1 µL splitless (hold 0.5 min)
Liner:	3.5 mm Single Gooseneck Liner with wool placed 3 cm from top (middle) (cat.# 22286)
Inj. Temp.:	220 °C
Purge Flow:	3 mL/min
Oven
Oven Temp.:	40 °C (hold 3 min) to 200 °C at 20 °C/min
Carrier Gas	He, constant flow
Linear Velocity:	40 cm/sec
Detector	MS
Mode:	Scan
Transfer Line Temp.:	280 °C
Analyzer Type:	Quadrupole
Source Temp.:	280 °C
Solvent Delay Time:	0.5 min
Ionization Mode:	EI
Scan Range:	30-300 amu
Scan Rate:	5 scans/sec
Instrument	Shimadzu 2010 GC & QP2010+ MS
Notes	Ions displayed: 42, 43, 57, 108 m/z

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Alkyl

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