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
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
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
Mycotoxins in Cannabis – Exploring More Comprehensive Testing
Reprinted with the kind permission of International Labmate Ltd – first printed in International Labmate, November 2020, Volume45 Issue 7 – www.intlabmate.com The Movement Towards More Comprehensive Testing of Mycotoxins in Cannabis Guest Author 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
The Importance of a Well Prepared Mobile Phase Explained
Guest Author – Helen Whitby, PhD 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 Continue Reading
HILIC Technical Tip for Stronger Analytical Methods
Technical Tip: Engineering successful analytical methods using HILIC as an alternative retention mechanism Overview: This technical tip will outline hydrophilic interaction chromatography (or hydrophilic interaction liquid chromatography, HILIC) as an alternative retention mechanism that is particularly effective for LC-MS. Continue Reading