Cumene (Isopropylbenzene) on Rtx-1

PeakstR (min)
1.Nonaromatic hydrocarbons-
2.Benzene4.67
3.Toluene6.71
4.Ethylbenzene10.31
5.m-Xylene10.78
6.p-Xylene10.78
7.Styrene11.79
8.o-Xylene12.14
9.Cumene14.70
10.n-Propylbenzene16.02
11.Phenol16.43
12.α-Methylstyrene17.31
PeakstR (min)
13.tert-Butylbenzene18.07
14.Isobutylbenzene18.84
15.sec-Butylbenzene18.97
16.m-Cymene19.38
17.p-Cymene19.55
18.o-Cymene20.16
19.Acetophenone20.60
20.n-Butylbenzene21.00
21.2-Phenyl-2-propanol21.74
22.1,3-Diisopropylbenzene23.96
23.1,4-Diisopropylbenzene24.31
24.Cumene hydroperoxide25.17
image
GC_PC1350
ColumnRtx-1, 60 m, 0.32 mm ID, 1.00 µm (cat.# 10157)
SampleCumene
Injection
Inj. Vol.:1 µL split (split ratio 60:1)
Liner:Topaz 4.0 mm ID Precision inlet liner w/wool (cat.# 23305)
Inj. Temp.:250 °C
Oven
Oven Temp.:85 °C (hold 13 min) to 125 °C at 6 °C/min (hold 2 min) to 250 °C at 30 °C/min (hold 7 min)
Carrier GasHe, constant flow
Flow Rate:3 mL/min
DetectorFID @ 300 °C
InstrumentAgilent 7890B GC
NotesTop chromatogram: commercially available cumene
Bottom chromatogram: synthetic blend of impurities known to be present in cumene at concentrations expected to be found in commercial samples.
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relativo alle ricerche nella libreria dei cromatogrammi

ASTM D7057

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D7057

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purity testing

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