GC or GC/MS

[Guest guest]

Hi Butch:

 

From time to time I revisit your reply to my geranium question (March 2002)

to better understand it.

 

Now I have to ask, what is GC or GC/MS? It sounds like a certificate of

authenticity type thing. I take purchasing EOs seriously and those that sell

them should provide some documentation of authenticity, method of distilling,

lot #, etc. I just need to know what to ask for when purchasing an EO -

something more than a label with the common name on it.

 

TIA

 

Carmen

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