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Naphthenes on Rtx-DHA-100 (ASTM D6729-14)
Peaks tR (min) Conc. (wt.%)
1. Cyclopentane 26.369 9.455
2. Methylcyclopentane 39.197 5.921
3. Cyclohexane 45.987 4.773
4. cis- 1,3-Dimethylcyclopentane51.776 0.300
5. trans- 1,3-Dimethylcyclopentane52.360 5.799
6. trans- 1,2-Dimethylcyclopentane52.969 3.653
7. Methylcyclohexane 59.852 3.677
8. Ethylcyclopentane 62.671 7.837
9. ctc-1,2,3-Trimethylcyclopentane 66.286 3.738
10. trans- 1,4-Dimethylcyclohexane72.135 4.705
11. 1-Ethyl-1-methylcyclopentane 74.704 1.459
12. trans- 1,2-Dimethylcyclohexane75.128 1.642
13. ccc-1,2,3-Trimethylcyclopentane 76.092 0.795
14. Isopropylcyclopentane 77.497 1.305
15. cis- 1,2-Dimethylcyclohexane80.070 10.276
16. 1,1,4-Trimethylcyclohexane 80.878 6.304
17. n- Propylcyclopentane82.052 4.373
18. ctt-1,2,4-Trimethylcyclohexane 82.052 1.839
19. ccc-1,3,5-Trimethylcyclohexane 83.885 2.343
20. ctc-1,2,3-Trimethylcyclohexane 86.992 3.676
21. ctc-1,2,4-Trimethylcyclohexane 87.211 1.062
22. 1,1,2-Trimethylcyclohexane 87.835 1.842
23. Isobutylcyclopentane 89.533 1.334
24. Isobutylcyclohexane 100.336 3.666
25. tert- 1-Methyl-2-N-propylcyclohexane101.453 4.637
26. tert- 1-Methyl-2(methylpentyl)cyclopentane114.543 3.592
GC_PC1325
Rtx-DHA-100, 100 m, 0.25 mm ID, 0.50 µm (cat.# 10148) DHA naphthenes standard (cat.# 30728)
0.2 µL split (split ratio 200:1) Topaz 4.0 mm ID Precision inlet liner w/wool (cat.# 23305) 250 °C 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 He, constant pressure 24 cm/sec @ 35 °C FID @ 300 °C 30 mL/min N2 40 mL/min 370 mL/min Agilent 7890A GC
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