LCGC North America March 2016

March 2016 | Volume 34, Issue 3
Sample Prep Perspectives
A comparison of the results from a new survey on sample preparation techniques to those of previous surveys, from 1991 to 2013, reveals some interesting trends.
LC Troubleshooting
How suitable is the column plate number for system suitability testing?
GC Connections
The terms carrier-gas flow and velocity are often used interchangeably when discussing column parameters. In LC, the two terms scale together, but in GC they do not. How does this nonintuitive behavior affect best practices for gas chromatographers?
The Essentials
A look at how two primary chromatographic modes are used in the characterization of biopharmaceuticals.
Peer-Reviewed Articles
Adequate detection of trans-resveratrol in red wine is complicated by two factors: relatively low levels and matrix interference. Here are two useful approaches for overcoming these challenges.
When monitoring toxic gases emitted from the soil, it is often necessary to recover compounds with a boiling point above that of napthalene. The use of thermal desorption makes that possible.
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