Showing posts written by Deanna Bissonnette
Have you ever thought to yourself I wish there was one way to effectively extract all of our aqueous samples? For instance, there are several methods available to extract aqueous samples, such as extr...
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 sampl...
I am willing to bet there have been a few people reading this that early in their careers have had a moment of “what does that mean” when learning new procedures and or methods. You are about to learn...
Have you ever wondered why solution flow rates are so important when performing sample preparation with solid phase extraction (SPE)? If you have, read on – I have the answer for you!
In the world of environmental testing, many labs encounter extremely dirty samples. For example, EPA Method 1664B is the protocol for extracting oil and grease from wastewater samples. More often than...
When I first saw EPA Method 549.2 only had two compounds, I said to myself: “WOW! That’s a breeze! Only two compounds to worry about, so it can’t be that difficult to extract!”
When you are extracting SVOCs from aqueous samples and analysing via Gas Chromatography (GC), every step within a solid phase extraction (SPE) procedure is imperative, but one of the most important st...
In the world of environmental testing, we all know that contamination happens. It can be frustrating trying to locate where it is coming from when you are also trying to keep up with the samples that ...
I know we all like to eat food not only because we need it to survive, but also because it is supposed to taste good! Any pets or livestock we have, of course, also need food to survive.
If you are working in the food and agriculture industry, then you are very familiar with the fact that if you need to process a solid sample, you need to make sure that the sample is homogenized. Ther...