Perfluoroalkyl Substances (PFAS) are a large group of compounds characterized by a linear aliphatic backbone, a high degree of fluorination and often feature a carboxylic- or sulfonic- acid functionality. These Continue Reading
Guest Author: Badaoui Omais, Ph.D. Molecular characterization of petroleum products is a challenge to understand due to their formation, enhanced refining processes, and physical properties. From petroleum crude oil, the Continue Reading
All great love stories must start at the very beginning. And Ramkumar Dhandapani’s 15-year relationship with gas chromatography goes way back to his high school years in India. Ramkumar always Continue Reading
In the first GC columns, gas chromatography phases were simply coated onto the column. This was mostly the case with packed columns, but also the same with the very first capillary columns. Injecting water onto these phases dissolved the phase and caused the phase to elute from the columns.
Guest Author: Ramkumar Dhandapani, Ph.D.- Gas Chromatography Technical Manager In gas chromatography (GC), the separation of analytes is achieved primarily based on boiling point (Van der Waal’s interaction), although other intermolecular Continue Reading
Guest Author: Ramkumar Dhandapani, Ph.D.- Gas Chromatography Technical Manager As we continue the gas chromatography (GC) conversation, an important topic arises—choosing the correct GC column based on column dimension. When investing Continue Reading
How New Technology is Challenging an Old Environmental Lab Tradition Guest Author: Allen Misa, Food and Environmental Marketing Manager For decades—as long as environmental laboratories—there has been the tradition of Continue Reading
Phenomenex has welcomed new products into the family! Introducing two new columns for the analysis of Polycyclic Aromatic Hydrocarbons (PAHs)—Kinetex® 3.5µm PAH and Zebron™ ZB-PAH. With increased focus on environmental Continue Reading