How is it used in 21. Injection of ethane, propane, butane, pentane, hexane, hep- tane, and octane on a squalene column under isothermal conditions gives retention times of 3.51, 4.98, 7.30, 11.00, 16.85, 26.12, and 40.8 min, respectively. Air, which is nonre- tained, elutes at 1.00 min. An injection of benzene, butanol, nitropropane, pyridine, and 2-pentanone under the same conditions gives retention times of 20.00, 6.50, 4.10, 10.05, and 10.35 min. What are the Kováts retention indexes for benzene, butanol, nitropropane, pyridine, and 2-pentanone

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How is it used in GC?
21. Injection of ethane, propane, butane, pentane, hexane, hep-
tane, and octane on a squalene column under isothermal
conditions gives retention times of 3.51, 4.98, 7.30, 11.00,
16.85, 26.12, and 40.8 min, respectively. Air, which is nonre-
tained, elutes at 1.00 min. An injection of benzene, butanol,
nitropropane, pyridine, and 2-pentanone under the same
conditions gives retention times of 20.00, 6.50, 4.10, 10.05,
and 10.35 min. What are the Kováts retention indexes for
benzene, butanol, nitropropane, pyridine, and 2-pentanone
under these conditions?
od under the same conditions as
Transcribed Image Text:How is it used in GC? 21. Injection of ethane, propane, butane, pentane, hexane, hep- tane, and octane on a squalene column under isothermal conditions gives retention times of 3.51, 4.98, 7.30, 11.00, 16.85, 26.12, and 40.8 min, respectively. Air, which is nonre- tained, elutes at 1.00 min. An injection of benzene, butanol, nitropropane, pyridine, and 2-pentanone under the same conditions gives retention times of 20.00, 6.50, 4.10, 10.05, and 10.35 min. What are the Kováts retention indexes for benzene, butanol, nitropropane, pyridine, and 2-pentanone under these conditions? od under the same conditions as
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