Hexane, MTBE, and TBA on Rtx-VMS (60 m, 40 °C start)

Oven
Column	Rtx-VMS, 60 m, 0.25 mm ID, 1.40 µm (cat.# 19916)
	with MXT low-dead-volume connector kit (cat.# 20536)
Standard/Sample	TO-14A internal standard/tuning mix (cat.# 34408)
	75 comp TO15 + NJ mix (cat.# 34396)
Diluent:	Air @ 50% RH
Conc.:	5 ppbv 250 mL injection
Injection	on-column
Oven Temp.:	40 °C (hold 7 min) to 250 °C at 30 °C/min (hold 2 min)
Carrier Gas	He, constant flow
Flow Rate:	2.0 mL/min

Detector

Mode:

Scan

Scan Program:

Group	Start Time (min)	Scan Range (amu)	Scan Rate (scans/sec)
1	0.00	35.0 - 226.00	3.8

Transfer Line Temp.:

250 °C

Analyzer Type:

Quadrupole

Source Type:

Extractor

Extractor Lens:

6 mm ID

Source Temp.:

230 °C

Quad Temp.:

150 °C

Electron Energy:

70.0 eV

Tune Type:

BFB

Ionization Mode:

Preconcentrator

Markes CIA Advantage

Instrument

Agilent 7890B GC & 5977A MSD

Download PDF