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Solid phase extraction (SPE) is a powerful sample preparation tool that makes it possible to extract semi-volatile organic compounds with varying physical and chemical properties. When used properly, ...
Every step within a solid phase extraction (SPE) procedure is imperative, but one of the most important steps that must be done properly is the air-dry step.
If you’re like me, you start the new year off with a list of resolutions for the coming months – resolutions to be more fit or to secure a promotion at work, or to reduce your carbon footprint.
Bisphenol A (BPA) is one of the most widely produced chemicals in the world – approximately 4 million metric tons annually. In recent years, BPA has received a lot of negative attention. In fact, I ca...
In a never-ending list of chemical pollutants, a compound that is gaining a lot of attention is 1,4-dioxane. In fact, New Jersey just became the first state to set regulations on the quantity of 1,4-d...
As a chemist, I’ve constantly stressed the importance of proper sample preparation. Whether I’m diluting, digesting, preconcentrating, extracting, or performing a combination of these, sample preparat...
In the world of solid phase extraction (SPE), the list of media that is available seems to be ever-growing. From polymeric stationary phases, to silica-based media, and even molecularly imprinted poly...
For thousands of years, tea has been one of the most popular drinks around the world. Not only is tea delicious, but it is also full of health benefits. Tea is an abundant source of antioxidants calle...
EPA Method 8270 is one of the 8000 series methods that outlines the preparation of wastewater samples. It is one of dozens of methods for processing wastewaters for semi volatile organic compounds (SV...
On the surface, EPA Method 8270 seems pretty straightforward. The first version of this method was published over a decade ago and many environmental labs are processing samples according to the guide...