GC_EV1251

EPA 522 Analyte Mix on Rxi^®-624Sil MS (30 m x 0.25 mm x 1.4 μm)

	Peaks	RT (min)
1.	Tetrahydrofuran-D8	5.27
2.	1,4-Dioxane-d8	6.19
3.	1,4-Dioxane	6.23

GC_EV1251

Column

Rxi^®-624Sil MS, 30 m, 0.25 mm ID, 1.40 µm (cat.# 13868)

using Rxi^® guard column 5 m, 0.25 mm ID (cat.# 10029)

with Universal Angled Press-Tight^® connectors (cat.# 20446-261)

Sample

Tetrahydrofuran-d8 (cat.# 30112)

1,4-Dioxane-d8 (cat.# 30614)

1,4-Dioxane (cat.# 30287)

Diluent:

Dichloromethane

Conc.:

50 ng/mL

Injection

Inj. Vol.:

10 µL splitless (hold 1 min)

Liner:

Sky™ 4 mm single taper/gooseneck w/wool (cat.# 23303.5)

Inj. Temp.:

120 °C

Purge Flow:

80 mL/min

Oven

Oven Temp:

35 °C (hold 1 min) to 120 °C at 12 °C/min (hold 1 min)

Carrier Gas

He, constant flow

Flow Rate:

1.4 mL/min

Linear Velocity:

30.556 cm/sec @ 35 °C

Detector

Mode:

SIM

SIM Program:

Group	Start Time (min)	Ion(s)	Dwell (ms)
1	5.0	46,78,80 m/z	50
2	5.85	96,88,64,62,58 m/z	40

Transfer Line Temp.:

280 °C

Analyzer Type:

Quadrupole

Source Temp.:

230 °C

Quad Temp.:

150 °C

Solvent Delay Time:

5.0 min

Tune Type:

BFB

Ionization Mode:

Instrument

Agilent 7890A GC & 5975C MSD

Notes

Large volume splitless injection for EPA Method 522 without a PTV.

Acknowledgement

M. Misselwitz, J. Cochran

522 dioxane

1 4-dioxane

LVSI

large volume splitless injection

large volume injection

	Tetrahydrofuran-d8 Standard cat.# 30112 $28.0/ea. Qty:
	1,4-Dioxane-d8 cat.# 30614 $25.0/ea. Qty:
	1,4-Dioxane cat.# 30287 $24.0/ea. Qty:
	Rxi®-624Sil MS Columns cat.# 13868 $500.0/ea. Qty:
	Rxi® Guard/Retention Gap Columns cat.# 10029 $46.0/ea. Qty:
	Universal Angled Press-Tight® Connectors cat.# 20446-261 $56.5/5-pk. Qty:
	Sky™ 4.0mm ID Single Taper/Gooseneck Inlet Liner cat.# 23303.5 $92.0/5-pk. Qty: