Sep 1, 2006
By:
John V. Hinshaw
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Gas chromatographs contain a large number and variety of fittings, ferrules, tubing, and connections, all of which must be properly assembled, tightened, and leak-free if the system is to perform at its best. This month, John Hinshaw discusses how to make, maintain, and troubleshoot various types of connections used in gas chromatographs.
Jun 1, 2006
By:
John V. Hinshaw
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John Hinshaw takes a look at how choosing a suitable syringe for a specific application can be difficult, especially if the inlet system has special requirements; choosing the wrong syringe can cause significant problems.
Mar 1, 2006
By:
John V. Hinshaw
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John Hinshaw takes a look at the operating principles and inner workings of thermal conductivity detectors.
Sep 1, 2005
By:
Steve Scheuring, Daniel Bartel
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This month's guest authors update a previous installment of "GC Connections," discussing methods for selecting pure gases for analytical applications.
Sep 1, 2005
By:
John V. Hinshaw
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In this installment of "GC Connections," John Hinshaw reviews some of the dvelopments in fused-silica column technology and then takes a brief tour through the process of column manufacturing.
Jun 1, 2005
By:
John V. Hindshaw
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In this month's installment of "GC Connections," John Hinshaw discusses the contents of a gas chromatography method.
Mar 1, 2005
By:
John W. Dolan
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Chromatographers go to great lengths to prepare, inject, and separate their samples, but they sometimes do not pay as much attention to the next step: peak detection and measurement...
Sep 1, 2004
By:
John V. Hinshaw
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A reader sent me the following question by e-mail: As I read the recent article about the anatomy of a peak (1), I had to ask the following...
Jun 1, 2004
By:
John V. Hinshaw
|
The human sense of shape and pattern recognition can discern subtle nuances among groups of visual cues that no computer system can reproduce faithfully. Yet when it comes to measuring...
