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      The Problem of PFAS: Part 2 - Top Regulations

      June 3, 2021 at 3:00 AM / by David Gallagher posted in SPE solid phase extraction, Sample preparation, EPA Method 537.1, per- and polyfluoroalkyl substances, PFAS, Drinking water, EPA Method, water extractions, SPE, perfluorinated compounds, PFOS, extraction, ISOLUTE 101

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      Welcome back! As the title indicates, this is Part 2 of an ongoing series where we discuss what’s going on with PFAS. For those of you who may not have read Part 1, you missed out on a summary of the controversy surrounding this group of compounds and I would recommend going back and taking a quick read through it to make sure that you’re caught up. 

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

      December 16, 2020 at 9:42 AM / by Deanna Bissonnette posted in Sample preparation, Solid-phase extraction, SPE, phthalates

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      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!

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      How to plan for dirty samples for both extraction and analysis

      December 16, 2020 at 9:39 AM / by Matt Harden posted in Sample preparation, Solid-phase extraction, wastewater, gas chromatography, SPE, dirty samples

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      When juggling the responsibilities of working in a sample preparation lab as well as working as an analyst, it is very easy to get caught up in a never-ending cycle of samples. There is no situation “more frustrating” then when you have a bunch of wastewater samples that need to be extracted and analyzed ASAP and there is that one sample that is so much more challenging to extract than the others.

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