As pe my study C18 column will be good but what specific category of C18 should i prefer for these compounds i.e which specific C18 hplc collumn can detect all these compounds?
this article old, but have good information as an answer for your question
best regards
You may have a hard time detecting these compounds via HPLC using a UV detector. Toluene is probably the only one that will absorb strongly enough to be detected. I would suggest performing distillation separating by vapor temperature then taking H-NMR of the resulting fractions to determine their composition individually.
Any C18 column may work.
You can also try SCX column (Strong cation exchange)
Diethylamine does not absorb in the UV so you will have to derivatize it with OPA or use an ELSD detector. See attached;
https://iopscience.iop.org/article/10.1088/1755-1315/223/1/012056/pdf
good answer Naser Jawad Kadhum Joseph Capani Jr. Dhifaf Zeki Harith Rajab Almosawy
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