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Aromatics on Rtx-DHA-100 (ASTM D6729-14)

GC_PC1323
PeakstR (min)Conc.
(wt.%)
1.Benzene44.1648.255
2.Toluene67.51912.342
3.Ethylbenzene83.5348.248
4.m-Xylene84.7353.108
5.p-Xylene84.8811.041
6.o-Xylene87.7353.125
7.Isopropylbenzene91.9432.085
8.n-Propylbenzene95.4193.091
9.1-Methyl-3-ethylbenzene96.2742.795
10.1-Methyl-4-ethylbenzene96.5042.070
11.1,3,5-Trimethylbenzene97.1270.422
12.1-Methyl-2-ethylbenzene98.2071.571
PeakstR (min)Conc.
(wt.%)
13.1,2,4-Trimethylbenzene99.8212.066
14.tert-Butylbenzene99.8212.058
15.Isobutylbenzene101.5033.099
16.sec-Butylbenzene101.7873.090
17.1-Methyl-3-isopropylbenzene102.7951.066
18.1-Methyl-4-isopropylbenzene103.1584.126
19.1-Methyl-2-isopropylbenzene104.4672.806
20.1-Methyl-3-n-propylbenzene105.7502.084
21.1-Methyl-4-n-propylbenzene106.1332.073
22.n-Butylbenzene106.2282.077
23.1,3-Dimethyl-5-ethylbenzene106.3560.407
24.1-Methyl-2-n-propylbenzene107.2092.148
PeakstR (min)Conc.
(wt.%)
25.1,4-Dimethyl-2-ethylbenzene108.0812.076
26.1,2-Dimethyl-4-ethylbenzene108.7520.915
27.1,2-Dimethyl-3-ethylbenzene110.4592.152
28.1,3-Dimethyl-2-ethylbenzene110.4590.799
29.1,2,4,5-Tetramethylbenzene111.3980.860
30.(2-Methylbutyl)benzene111.5600.118
31.1-tert-Butyl-2-methylbenzene112.7052.077
32.Pentylbenzene114.3282.058
33.1-tert-Butyl-4-ethylbenzene116.0122.076
34.1,3,5-Triethylbenzene118.3342.087
35.1,2,4-Triethylbenzene119.4881.014
36.Hexylbenzene120.7165.155
37.1-tert-Butyl-3,4,5-trimethylbenzene123.9993.355
ColumnRtx-DHA-100, 100 m, 0.25 mm ID, 0.50 µm (cat.# 10148)
SampleDHA aromatics standard (cat.# 30729)
Injection
Inj. Vol.:0.2 µL split (split ratio 200:1)
Liner:Topaz 4.0 mm ID Precision inlet liner w/wool (cat.# 23305)
Inj. Temp.:250 °C
Oven
Oven Temp.:0 °C (hold 15 min) to 50 °C at 1 °C/min to 130 °C at 2 °C/min to 270 °C at 4 °C/min
Carrier GasHe, constant pressure
Linear Velocity:24 cm/sec @ 35 °C
DetectorFID @ 300 °C
Make-up Gas Flow Rate:30 mL/min
Make-up Gas Type:N2
Hydrogen flow:40 mL/min
Air flow:370 mL/min
InstrumentAgilent 7890A GC