Identify unknown components in the unknowns 1 and 2. I\'m pretty sure that unkno

Question

Identify unknown components in the unknowns 1 and 2.

I'm pretty sure that unknown 1 is heptane/nonane and unknown 2 is octane/nonane but I don't knwo why, so I need help with analyze these samples.

If my guess is wrong, please give me the correct answer with correct reading of there samples and explain this in details so I can understand it. Thank you!

(x10,000,000) TIC 3.5 3.0 2.5 2.0 1.5 1.0 0.5 4.50 4.75 5.00 5.25 Sample ID Max Intensity 37,923,399 Time 5.872 Scan& 298 nten 38,869,877 Oven Temp 18.07 unknown Comment unknown 5.50 6.00 6.25 6.50

Explanation / Answer

The component with lowest boiling point will have the lowest retention time.Therefore from the above data, it is clear that peak at 4.75 will be for Heptane.

Unknown 1 show peaks at 4.75 and 6.25

Peak at 4.75 correspond to Heptane and peak at 6.25 indicate the presence of Octane.

Unknown 2 show peaks at 6.25 and 7.7 indicating the presence of Octane and Nonane respectively.

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