14. Determine the boiling point of a saturated hydrocarbon if at 80 C and a carrier gas flow rate of 90 ml/min on a Chromaton N sorbent with an SE-30 stationary phase the following data were obtained:
Hydrocarbon TR, s Tboil, C
C6H14 70 68.9
C7H16 120 98.5
C8H18 210 125.0
X 380 ?
The peak of the unretained component appears on the chromatogram after 25 s.

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