Vol 37 No 7 LCGC North America July 2019 Regular Issue PDF
Click the title above to open the LCGC North America July 2019 issue, Volume 37, Number 7, in an interactive PDF format.
Mobile Phase Buffers in Liquid Chromatography (LC): Effect of Buffer Preparation Method on Retention Repeatability
Many analysts have strongly held beliefs about buffer preparation methods, but these positions are not always supported by experimental evidence.
Environmental Method Development: Key Challenges and Unmet Needs
The environmental analysis community sorely needs a system by which new and up-to-date methods are more easily developed, shared, and adopted.
Temperature Programmed GC: Why Are All Those Peaks So Sharp?
Temperature programming is used in most capillary GC separations, but many analysts lack a good understanding of the principles behind this approach.
The Determination of Trace Per- and Polyfluoroalkyl Substances and Their Precursors Migrated into Food Simulants from Food Contact Materials by LC–MS/MS and GC–MS/MS
This integrated analytical approach combines HPLC–MS/MS and GC–MS/MS to detect 36 PFAS migrating into food simulants from packaging.
Electron Capture Detectors
The fundamentals of electron capture detectors, explained.
Under Pressure to Perform: Impact of UHPLC Technology on Pharmaceutical Research and Development
How has UHPLC has affected pharmaceutical research? The answer depends on your point of view.
Chromatography Fundamentals, Part VII: Influence of Peak Broadening on Detection Sensitivity, Solute Dilution, and Efficiency of Coupled Columns
With these equations, you can predict how solute dilution will affect sensitivity.