Archive for the ‘SPME’ Category

Terpene Analysis Approaches – Part IV

We are back at it with another blog about terpene analysis! If you did not catch my previous post, be sure check it out here before moving on. Last time, I finished up by discussing how we would move away from analyzing terpenes in standards and dive into in-matrix analysis. Well…I lied. I’m sorry, but […]

How to select the correct Conversion Kit for your SPME Arrow fiber

Jason Herrington recently wrote a post titled SPME Arrow Configurations.  The last paragraph in this post stated: “One last talking point: We told you there is no free lunch when incorporating the SPME Arrow into your laboratory, because you will have to install a GC Inlet Conversion Kit. It is important to stress that the […]

Terpene Analysis Approaches – Part III

It’s time to dive back into analyzing terpenes! Previously, we looked at two types of sample preparation for analyzing terpenes via HS-Syringe and HS-SPME. If you missed those blogs, be sure to check them out here and here before moving on! In my last blog, I showed that HS-SPME outperformed the HS-Syringe when analyzing terpenes. […]

SPME Arrow Configurations

If you have been looking at SPME Arrows, because we convinced you of the Arrows’ mechanical robustness, sensitivity, speed, etc., you could find yourself in a decision dilemma. Beyond phase selection, which is the subject of another blog, the various SPME Arrow configurations may leave you stymied. So, it is the intent of the current […]

Terpene Analysis Approaches – Part II

Welcome back my fragrance fanatics! Today, we continue exploring approaches for analyzing terpenes. If you missed part one, you can get caught up here! Last time, we discussed two HS approaches that just flat out stunk! So, it’s time to make some adjusts. The first thing to check was the way our samples were prepared. […]

Terpene Analysis Approaches – Part I

Welcome to the newest blog series that totally stinks! In this series we’re going to look at different approaches for analyzing terpenes in cannabis. To quickly brief those who may not be familiar with terpenes, this class of compounds is responsible for many of the flavors and aromas in cannabis. Not only are cannabis growers […]

SPME Fundamentals: Don’t forget the salt for HS VOCs!

Long story short: We were comparing head space (HS)-SPME data with some colleagues, when they asked us “how are we using a 4 minute extraction time on our brewed coffee, when they need 10 minutes to achieve comparable results?” I told you coffee was on the horizon in my last blog. After comparing the 12 […]

SPME Arrow for Acrylamide in Potato Chips

I love potato chips and I love the SPME Arrow. So, after talking with my colleague Joe Konschnik about taking advantage of the SPME Arrow to analyze acrylamide and other off-flavor compounds in potato chips; I immediately grabbed a bag of chips from my file cabinet (yes, I keep snacks readily at hand and I […]

A Hoppy Little Story

Now that we’re getting into the warmer months of the year, you’re probably starting to see pop-up beer gardens or people outside relaxing with a nice cold one. Since the beer industry has been evolving and people are enjoying craft beers more and more, there are tons of unique brews on the market. If you […]

Paul’s excellent questions on “Liner Selection for HS VOCs”

I had a feeling the blog I posted yesterday was sure to prompt some thought-provoking questions, as some of my peers had already been doing so. So, it came as no surprise that Paul posted the following excellent questions (in black) to which I have responded to in blue. Normally, I would just address all […]