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
HPLC Guard Columns: How They Work
Author – Rajesh Babu Dandamudi, Ph.D., Phenomenex Technical Manager This morning, I was watching a video clip forwarded by one of my motorcycle enthusiast friends. This was a video clip Continue Reading
A Big Look at Liquid Chromatography Column Miniaturization
This article focuses on liquid chromatography column miniaturization and explores the many benefits and challenges this analytical tool can bring. Author – Roxana Eggleston-Rangel While mass spectrometry coupled to liquid Continue Reading
Chromatographic Peaks and Syringe Filtration
I have an intermittent issue with chromatographic peaks appearing in my analysis. I think they might be coming from my syringe filters, what should I do? It is possible that Continue Reading
The Importance of a Well Prepared Mobile Phase Explained
A buffer is an AQUEOUS solution containing a weak acid and its conjugate base (or a weak base and its conjugate acid). The pH of a buffer solution changes very Continue Reading
Liquid-Liquid Extraction vs. Simplified Liquid Extraction
Article source technical application “Liquid-Liquid Extraction (LLE) vs. Novum™ Simplified Liquid Extraction (SLE) Case Study: Analysis of Monomeric Phenolic Fermentation Inhibitors in Dilute-Acid Plant Hydrolysate” Pretreatment of lignocellulosic biomass is Continue Reading
PFAS – What It Is, Why It’s Popular, and What Can Be Done?
Guest Author: Zara Jalali What is PFAS? PFAS is an abbreviation for per- and polyfluoroalkyl substances which are a large family of man-made chemicals that contain a carbon and fluorine Continue Reading
New Concerns about PFAS in Food: The Convergence of Environmental Contamination and Food Safety
This article “New Concerns about PFAS in Food” has been reprinted with the kind permission of International Labmate Ltd – first printed in International Labmate, February 2021, Volume 46 Issue Continue Reading
Pi Day – Celebrating The Science Behind Mathematics
On March 14th the world celebrates the mathematical constant π. Pi Day is observed on this day since 3, 1, and 4 are the first three significant digits of π. 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