LCGC Europe
December 01, 2013
Sample Preparation Perspectives
26
12
In this instalment Ron Majors discusses new sample preparation media that could result in improved or even "breakaway" performance for solid–liquid extractions. Some of these sorbents are based on new novel bonded phases to existing media while others are based on new extraction phases, such as carbon on silica, other metal oxides, or polymeric media. With resulting new selectivities, sample preparation could be performed more quickly in fewer steps than typical of usual adsorbents
December 01, 2013
Features
26
12
In this article, the sensitivity of two-dimensional gas chromatography coupled to two different detectors - a time-offl ight mass spectrometer (GCXGC–TOF-MS) and a fl ame ionization detector (GC?GC–FID) - was compared to the sensitivity of conventional one-dimensional gas chromatography (GC–TOF-MS and GC–FID) by determining method detection limits (MDLs) for a series of different compounds with different polarities.
December 01, 2013
LC Troubleshooting
26
12
Why do some peaks front and others don't in the same method?
December 01, 2013
The Essentials
26
12
There are many "minor" variables in GC–MS analysis that can be optimized to improve selectivity or sensitivity. Knowing how to manually optimize the detector settings leads to better quality data.
December 01, 2013
Cover Story
26
12
A review of the latest trends in field-flow fractionation (FFF) for various types of polymer analysis.
December 01, 2013
Issue PDF
26
12
Click the title above to open the LCGC Europe December 2013 regular issue, Vol 26 No 12, in an interactive PDF format.