In my lab, we are using Toluene for extraction of PAH from biochar (byproduct of pyrolysis). There are numerous samples to measure. Therefore, to make it economic can we distill toluene from the extract and reuse this toluene for the next trial?

Or is there possibility for this distilled toluene to have PAH contamination?

I am grateful for any advise in to this matter.

Thank you

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