On February 3rd, a tragedy occurred in East Ohio when nearly 1 million pounds of the toxic gas Vinyl Chloride was released, due to a train carrying the chemical getting Continue Reading
Harmful Gases Within Your Home?
Air quality and pollution have been a concern for many years. In the 1970s and ‘80s, it was discovered that the ozone layer above Antarctica was thinning, and it brought air Continue Reading
Extracting Nitrosamines and 1-4 Dioxane: The Answers to Sample Prep Challenges for a Robust Analysis by GC
Nitrosamines and 1-4 dioxanes are compounds classes notorious both for their carcinogenic potential and for their widespread pollution throughout the environment. From air, to water, to food—they pose a concerning Continue Reading
Troubleshooting GC Column Problems
Although we wish our GC column would always perform perfectly, there are times when issues rear their ugly heads. When this happens, it can be difficult to know what the Continue Reading
Ten Most Common GC Troubleshooting Questions
1. GC troubleshooting can be daunting and time-consuming so, when facing peak and resolution issues, where is the best place to start? The inlet is the most common place where Continue Reading
Could Hand Sanitizer Constitute a Health Hazard?
Since July of 2020, the FDA has issued more than 100 voluntary recalls for hand sanitizers due to the presence of toxic components or deficient alcohol levels to be effective. Continue Reading
Derivatizing Reagents for GC – The Buffers Strike Back
Our previous technical tip spoke about silylation reagents that may be used to derivatize a range of polar, acidic, and basic analytes to improve volatility and peak shape during gas chromatography. Silylating Continue Reading
Derivatization in Gas Chromatography (GC) Explained
Gas Chromatography is a fantastic technique to achieve exceedingly sharp peaks and resolutions within a complex mixture of analytes. But each analyte must be volatile to facilitate GC analysis. Derivatization Continue Reading
Nitrogen for Fast GC Analysis? Let’s Narrow Down this Idea
Guest Author – Zachary Woodward, Technical Specialist – Phenomenex USA Shorter run-times, sharper peaks, improved resolution, and low costs of carrier gas…we want it all! These goals can seem at Continue Reading
GC Basics – Constant Pressure, Constant Flow, & Constant Confusion
Guest Author – Zachary Woodward Technical Specialist – Phenomenex USA Gas chromatography methods often state that the carrier gas is delivered to the column under the conditions of either constant Continue Reading