SPME Arrow vs. Traditional SPME Fiber

Oven
Column	Rtx-VMS, 30 m, 0.25 mm ID, 1.40 µm (cat.# 19915)
Standard/Sample	2-Chloroethyl vinyl ether (cat.# 30265)
	8260 MegaMix calibration mix (cat.# 30633)
	8260 Surrogate mix (cat.# 30073)
	VOA calibration mix #1 (ketones) (cat.# 30006)
	California oxygenates mix (cat.# 30465)
	502.2 Calibration mix #1 (gases) (cat.# 30042)
	8260 Internal standard mix (cat.# 30074)
Diluent:	Water
Conc.:	50 ng/mL
Injection	split (split ratio 10:1)
Liner:	Topaz 1.8 mm ID straight/SPME inlet liner (cat.# 23280)
Inj. Temp.:	250 °C
Oven Temp.:	40 °C (hold 1 min) to 100 °C at 12 °C/min (hold 0 min) to 240 °C at 25 °C/min (hold 1.6 min)
Carrier Gas	He, constant flow
Flow Rate:	1.0 mL/min
Linear Velocity:	44.411 cm/sec @ 40 °C

Detector

Mode:

Scan

Scan Program:

Group	Start Time (min)	Scan Range (amu)	Scan Rate (scans/sec)
1	0	35-226	12.1

Transfer Line Temp.:

250 °C

Analyzer Type:

Quadrupole

Source Type:

Extractor

Extractor Lens:

3 mm ID

Source Temp.:

300 °C

Quad Temp.:

150 °C

Electron Energy:

70.0 eV

Tune Type:

manual

Ionization Mode:

Instrument

Agilent 7890B GC & 5977A MSD

Acknowledgement

CTC Analytics AG

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