What does gas vortex shearing do in evaporation? Why should I care?

It is question and answer time and we are starting with TurboVap® evaporators and their use in an environmental lab.  The TurboVap® evaporation system by design utilizes a patented gas vortex shearing technology. You may be asking yourself, “what does that mean?” I know I did when I first heard about it!  Read on to … Continue reading What does gas vortex shearing do in evaporation? Why should I care?

Why are my phenol recoveries low on my EPA Method 8270/625.1 extractions?

Do you have issues seeing acceptable recovery of your phenols?  I know I do.  These compounds can be challenging to recover and quantitate, and are also found just about everywhere!  Read on to learn a couple of fun facts about phenols, but first, let’s explain why phenols can be difficult to work with.

Common Mistakes in the Lab

When working in a contract lab or any analytical testing lab, you may be prone to periods where it seems like there is never going to be a light at the end of the tunnel, as the samples just keep on coming in. For me, I always dreaded when spring rolled around and the whole … Continue reading Common Mistakes in the Lab

Biotage Horizon 5000 and FT-IR Detection – Expanded Detection Possibilities

IR technology is a rapid and convenient tool for both qualitative and quantitative analysis that has been around for over a century. Traditional IR spectroscopy relies on vibration energies from the molecular bindings, where IR emission is absorbed by the bond when it has the same frequency as the specific vibration or movement as the … Continue reading Biotage Horizon 5000 and FT-IR Detection – Expanded Detection Possibilities

Staffan Bergstrom

Head of European Commercial Operations Laboratory Biotage Scheelevagen 22 223 63 Lund, Sweden Email:  staffan.bergstrom@biotage.com Staffan Bergstrom leads the European Commercial Operations Laboratory in Lund, Sweden for Biotage, where he focuses on giving support to the EMEA Sales Organization with application support and development.  With a background in environmental analytical chemistry, he also acts as … Continue reading Staffan Bergstrom

Hydrophilic Solution for Your Vapor Lock Dilemma

Have you ever put your water sample onto your Biotage® Horizon 3100 extractor and all your prewet/conditioning steps worked great and then suddenly, the water inlet valve opens, and nothing happens!  This can be terrifying because a lot is riding on those samples!  If you notice this right when it happens, a simple wiggle of … Continue reading Hydrophilic Solution for Your Vapor Lock Dilemma

Extractable Petroleum Hydrocarbons (EPH) Fractionation and Bottlenecks in the Laboratory

Anyone familiar with EPH methods such as those developed by the Massachusetts or New Jersey Department of Environmental Protection is familiar with the long and gruelling process of fractionation. For those unfamiliar, with EPH or Extractable Petroleum Hydrocarbons it is an extraction that essentially occurs in two distinct parts: the initial extraction & concentration and … Continue reading Extractable Petroleum Hydrocarbons (EPH) Fractionation and Bottlenecks in the Laboratory

EPA Methods and the Use of Drying Techniques

Do you ever tire of using sodium sulfate to dry your extracts?  I know I do.  That is why, whenever I get the chance to avoid using it, I do.  The worst experience when using sodium sulfate is when you do not use enough of it, and the sodium sulfate reaches its maximum capacity leading … Continue reading EPA Methods and the Use of Drying Techniques

Tackling Emulsions Just Got Easier

Believe it or not, we’re all familiar with emulsions.  Have you ever added food oil to a pot of water while cooking?  That’s an emulsion.  Do you put dressing on your salad?  It should be called salad emulsion – although, that may not have the same edible appeal.  Do you drink milk?  Emulsion.  What about … Continue reading Tackling Emulsions Just Got Easier

To Be or Not to Be Water Miscible

“Oh my!  This is crystal clear!” – said nobody who has ever read through an EPA Method. For anyone who processes samples in an EPA-regulated laboratory, you know that these methods can be very specific in some spots, and incredibly vague in others.  The complexity worsens if you’re following one method for sample cleanup and … Continue reading To Be or Not to Be Water Miscible