John V. Hinshaw

John V. Hinshaw is senior staff engineer at Serveron Corp., Hillsboro, Oregon, and a member of LCGC's editorial advisory board. Direct correspondence about this column to "GC Connections," LCGC, Woodbridge Corporate Plaza, 485 Route 1 South, Building F, First Floor, Iselin, NJ 08830, e-mail lcgcedit@lcgcmag.com. For an ongoing discussion of GC issues with John Hinshaw and other chromatographers, visit the Chromatography Forum discussion group at http://www.chromforum.com.

This month in "GC Connections," John Hinshaw discusses issues that can arise when deciding to upgrade or replace gas chromatography technologies.

This month's "GC Connections" explores the issues that can arise when deciding to upgrade or replace GC technologies.

John Hinshaw takes a break from the technical and visits a number of chromatography forums and discussion groups.

In this month's "GC Connections," John Hinshaw investigates how much air enters a gas stream in the face of extreme leaks in an attempt to gauge the potential effects of carrier gas leaks on GC system performance.

In this month's "GC Connections," John Hinshaw investigates how much air enters a gas stream in the face of extreme leaks in an attempt to gauge the potential effects of carrier gas leaks on GC system performance.

John Hinshaw takes a break from the technical and visits a number of chromatography forums and discussion groups.

John Hinshaw discusses the effects that peak tailing has on quantitative measurement of peak height and area.

John Hinshaw presents his review of all that was new and innovative at Pittcon 2009 in the field of gas chromatography.

The causes and cures for peak tailing are discussed, along with the various ways that chromatographers measure tailing peaks.