Gas Chromatography (GC)

Sep 01, 2002
LCGC Asia Pacific
By LCGC Editors
In gas chromatography, injecting aqueous samples can be a necessity or a convenient way of introducing a sample onto a column. In addition to the well-known problems in the injector...
Jul 01, 2002
LCGC Europe
By LCGC Editors
In view of the fact that relationships between injected analyte quantities and measured peak areas cannot be expected to be linear, Hinshaw discusses strategies that help minimize these non-linearities in a gas chromatography system.
Jun 01, 2002
LCGC Asia Pacific
By LCGC Editors
In gas chromatography (GC), the chemical choice of mobile phase exhibits essentially no effect upon the degree of peak separation; that is, on the selectivity of the chromatographic system. Changing...
Jun 01, 2002
LCGC Asia Pacific
By LCGC Editors
The authors describe a new instrumental method for the determination of phthalate esters using positive chemical ionization and retention-time locking gas chromatography. Positive chemical ionization with ammonia provides a high...
May 17, 2002
LCGC Europe
By LCGC Editors
This month's column examines the basics of peak integration for quantification in chromatography with an emphasis on fast separations.
May 16, 2002
LCGC Europe
By LCGC Editors
The author examines the effects of system time constants and sampling rates on apparent peak shapes and areas.
May 01, 2002
LCGC Europe
By LCGC Editors
The concluding part of Ron Majors' Pittcon 2002 product roundup.
Apr 02, 2002
The Application Notebook
By LCGC Editors
The use of sol-gel materials as stationary phases in gas chromatography is discussed in this note...
Apr 01, 2002
LCGC Europe
By LCGC Editors
This column continues the topic of fast peaks begun last month and examines qualitative data analysis after chromatograms are acquired.
Feb 01, 2002
LCGC Europe
By LCGC Editors
In this column, the benefits of implementing a compliant CDS for both electronic records and signatures are highlighted.
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