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In this post, we walk you trough what silica gel treated n-hexane extractable material (SGT-HEM) is and how to measure it using EPA Method 1664B. What you will learn Learn about the key steps in oil a...

If you are working in an environmental lab and encounter tissue samples and highly contaminated petroleum soil samples that create a lot of noise and interference on your analytical instruments, then ...

No matter what your sample will be tested for, if you are extracting with liquid-liquid extraction (LLE), solid phase extraction (SPE), accelerated solvent extraction (ASE) or microwave, your sample's...

When in the lab I always try to streamline and improve workflows. One of the biggest bottlenecks in the lab I’ve experienced and maybe you have too, is the drying of sample extracts.

Have you ever worked with new methods and said to yourself “yes I know what these internal standards and surrogates are measuring and when to add them to the samples”? Sounds familiar right? Well, I r...

When working with regulated environmental methods have you ever asked yourself why are all these extracts concentrated down to one millilitre (mL) final volume? This is true for most soil and aqueous ...

When learning that you may be transitioning to a newer revision of an EPA method some thoughts may come to mind such as: it took so long to perfect this sample preparation method, or I hope they have ...

Have you ever thought to yourself am I using the best solid phase extraction disk offering for my application? Or can our prep lab turn samples around more efficiently if we choose a different SPE dis...

Have you ever had days of extracting oil and grease samples and thought to yourself “there must be an easier way to work with wastewater samples”? Whether you run oil and grease samples by liquid-liqu...

If you have ever worked with samples in the food industry you must have run into the challenges of working with various matrices. Each of them ranging from gummies, flour and oils can keep providing c...