Common Mistakes by the Lab Series: The Pain of Contaminated Squeeze Bottles

Ugh…I think we can all agree that the worst thing that can happen when testing high profile samples is losing an extract due to phthalate contamination.  Whether you are extracting 525.2 or 625.1 samples, phthalates can ruin your day and wreak great havoc, causing false positives!  We wonder where they all come from and how they got in the extract in the first place because we try our best to make sure our lab supplies and instruments are clean.  As we all know though…phthalates are literally everywhere floating around in the air and settling on surfaces.  However, I am here to talk about one place in particular: solvent squeeze bottles.  We take extra precautions when refilling our squeeze bottles, but there is always the potential of introducing phthalates into them if they are not refilled or used properly.

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