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Peak Shape Comparison of Early Eluting Semivolatiles Using Split (10:1) and Splitless Injection at 80 °C Oven Start Temp.

Peak Shape Comparison of Early Eluting Semivolatiles Using Split (10:1) and Splitless Injection at 80 °C Oven Start Temp.

Peaks
1.Phenol-d6 (SS)
2.Phenol
3.Aniline
4.Bis(2-chloroethyl) ether
5.2-Chlorophenol
6.1,3-Dichlorobenzene
7.1,4-Dichlorobenzene-D4 (IS)
8.1,4-Dichlorobenzene
Peaks
9.Benzyl Alcohol
10.1,2-Dichlorobenzene
11.2-Methylphenol
12.Bis(2-chloroisopropyl) ether
13.4-Methylphenol/3-Methylphenol
14.N-Nitrosodi-N-propylamine
15.Hexachloroethane
16.Nitrobenzene-D5 (SS)
17.Nitrobenzene
image
GC_EV1190
ColumnRxi-5Sil MS, 30 m, 0.25 mm ID, 0.25 µm (cat.# 13623)
Sample8270 MegaMix (cat.# 31850)
Benzoic acid (cat.# 31879)
8270 Benzidines Mix (cat.# 31852)
Acid Surrogate Mix (4/89 SOW) (cat.# 31025)
1,4-dioxane (cat.# 31853)
Revised B/N Surrogate Mix (cat.# 31887)
SV Internal Standard Mix (cat.# 31206)
Diluent:Methylene chloride
Conc.:40 µg/mL
Injectionsplitless
Inj. Temp.:270 °C
Oven
Oven Temp.:80 °C (hold 1 min) to 320 °C at 25 °C/min to 330 °C at 5 °C/min (hold 2 min)
Carrier GasHe, constant flow
Flow Rate:1.2 mL/min
DetectorMS
Mode:Scan
Transfer Line Temp.:280 °C
Analyzer Type:Quadrupole
Source Temp.:250 °C
Quad Temp.:150 °C
Tune Type:DFTPP
Ionization Mode:EI
Scan Range:35-550 amu
InstrumentAgilent 7890A GC & 5975C MSD
NotesSplit: 1 μL split (10:1)
Splitless: 1 μL splitless (0.5 min.)
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