Can I qualify and/or quantify trifluoroacetic acid on this column - HP Innowax?

Want to quantify or at least qualify trifluoroacetic acid (tfa) on our column, which is almost exclusively used for quantifying propionic acid, with acetic acid as the internal standard.   Both dissolved in acetonitrile.  It seems like tfa would work, but the specific product it's in, has never been run on our column, which is an HP-Innowax; 19091N-213I.  We have a 7890 with FID as the only detector.  

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