My TCD (agilent) is giving me negative peaks - right around where my peaks of interest are to elute.
I think this may be damage to my filament from acids on my analysis - can it be anything else?
I've tried baking out the filament w/o luck.
By Anonymous on Monday, April 8, 2002 - 05:51 am:
Yes, you could have your polarity reversed.
By Anonymous on Monday, April 8, 2002 - 08:10 am:
Likely you can reverse polarity through the keyboard or the computer, or you can swap the TCD leads readily on models such as 5890.
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