Troubleshooting GC Gas Supply, Sample Preparation, and Inlets
The first three important stages in any GC analysis are explained.
Peaks of Interest
Identifying "Known Unknowns" in Commercial Products by Mass Spectrometry
A systematic approach for the identification of nontargeted species, searching both mass spectral and "spectra-less" databases
The Importance of the Sample Matrix
How to account for the sample matrix when developing a method
Solvent Selection in Countercurrent Chromatography Using Small-Volume Hydrostatic Columns
How to use small columns to test potential biphasic liquid systems for use in large-scale countercurrent chromatography separations
LC–MS-Compatible Separation of Polar Compounds Using Silica Hydride Columns
A guide to using HPLC in an iterative form to clarify decision-making during method development
Man of the Masses
An interview with Fred McLafferty, professor emeritus at Cornell University, about his pioneering career in mass spectrometry
Market Profile: Solid-Phase Extraction
Short Courses
Ionic Liquids and Their Applications in Sample Preparation
Ionic liquids have tunable selectivity for specific classes of analytes, giving them distinct advantages over organic solvents.
Vol 31 No 2 LCGC North America February 2013 Regular Issue PDF
Click the title above to open the LCGC North America February 2013 regular issue, Vol 31 No 2, in an interactive PDF format.