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Phenol impurities by GC-MS

Posted: Fri Aug 18, 2006 8:55 am
by laucchiun
I need to look for the impurities in phenol sample using GCMS, can I inject phenol directly into gc column? What is GC setting?

Posted: Sat Aug 19, 2006 2:09 am
by james little
Probably dilute in methylene chloride and inject.

Some of the impurities might need to be silylated to elute from column.

A DB5 column would work for either derivatized or underivatized sample. 50 to 300 C at 15 C per minute.

some info on my website about silyl derivatives..

http://users.chartertn.net/slittle