GC Chromatograms

GC CHROMATOGRAMS | ENVIRONMENTAL
Semivolatiles
EPA 522 Analyte Mix on Rxi®-624Sil MS (30 m x 0.25 mm x 1.4 μm)
NEW!
1
Peaks
tR (min)
1. Tetrahydrofuran-D8 5.27
2. 1,4-Dioxane-d8 6.19
3. 1,4-Dioxane 6.23
Rxi® Technology!
Exceptionally inert, ultra low-bleed
capillary columns.
2
3
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 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
MS
Mode:
SIM Program:
Transfer Line
Temp.: 280 °C
Analyzer Type: Quadrupole
Source Temp.: 230 °C
Quad Temp.: 150 °C
Solvent Delay
SIM
Start Time
Group (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
Time:
5.0 min
Tune Type: BFB
Ionization Mode: EI
Instrument Agilent 7890A GC & 5975C MSD
Notes
Large volume splitless injection for EPA Method 522 without
a PTV.
Acknowledgement
M. Misselwitz, J. Cochran
5.10 5.15 5.20 5.25 5.30 5.35 5.40 5.45 5.50 5.55 5.60 5.65 5.70 5.75 5.80 5.85 5.90 5.95 6.00 6.05 6.10 6.15 6.20 6.25 6.30 6.35 6.40 6.45 6.50 6.55 6.60 6.65 6.70 6.75 6.80
Time (min)
GC_EV1251
EPA 522 Analyte Mix on Rtx®-624 w/5 m Integra-Guard® (30 m x 0.25 mm x 1.4 μm)
1
Column
Rtx®-624 w/5 m Integra-Guard®, 30 m, 0.25 mm ID, 1.40 μm
Acknowledgement
M. Misselwitz, J. Cochran
(cat.# 10968-124)
Peaks
1. Tetrahydrofuran-D8
tR (min)
5.59
Sample Tetrahydrofuran-d8 (cat.# 30112)
2. 1,4-Dioxane-d8 6.51
1,4-Dioxane-d8 (cat.# 30614)
3. 1,4-Dioxane 6.55
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 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:
Linear Velocity:
1.4 mL/min
30.556 cm/sec @ 35 °C
2 3
Detector
MS
Mode:
SIM
SIM Program:
Start Time
Group (min) Ion(s) Dwell (ms)
1 5.2 46,78,80 m/z 50
2 6.3 96,88,64,62,58 m/z 75
Transfer Line
Temp.: 280 °C
Analyzer Type: Quadrupole
Source Temp.: 230 °C
Quad Temp.: 150 °C
Solvent Delay
Time:
5.2 min
Tune Type: BFB
Ionization Mode: EI
Instrument Agilent 7890A GC & 5975C MSD
Notes
Large volume splitless injection for EPA Method 522 without a
PTV and without a press-fit connector for the retention gap.
NEW!
5.55 5.60 5.65 5.70 5.75 5.80 5.85 5.90 5.95 6.00 6.05 6.10 6.15 6.20 6.25 6.30 6.35 6.40 6.45 6.50 6.55 6.60 6.65 6.70 6.75
Time (min)
GC_EV1250
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