Olukayode Solomon Ajayi

4 Questions 28 Answers 0 Followers

Questions related from Olukayode Solomon Ajayi

How can I calculate retention index from the retention time obtained from the GC-MS analysis of essential oils

Given the retention time obtained from the GC-MS analysis of essential oils from the hydrodistillation of leaf of plant?

08 October 2015 4,847 12 View

Could this compound be a dimer or a racemic mixture?

I have isolated this flavonoid glycoside from the ethyl acetate fraction of the leaf extract. The C-13, and DEPT135 NMR experiments shows there are 2 carbonyl peaks, 16 other C- peaks as well as...

23 May 2013 7,150 2 View

How do I go about packing and what are the possible solvent systems?

I have very polar fractions from TLC which I suspect to be flavonoids. From my findings, I was convinced of the possibility of using a C-18 RP column for the separation. However, I have not used...

04 April 2013 2,531 10 View

I have this problem in isolating two spots on TLC, one sitting atop the other (close Rf). I have tried different solvent systems all to no avail.

Can I possibly use prep TLC for this situation?

01 October 2012 1,628 72 View