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.

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.

This month, John Hinshaw examines the environment, setup, and operating conditions necessary to ensure high gas chromatography detector performance and reliability.

In this installment of "GC Connections," John Hinshaw addresses some of the more frequently asked questions he encounters about hydrogen as carrier gas.

John Hinshaw concludes his two-part series on electrical issues in the laboratory.

This month in "GC Connections," in the first of a two-part series, John Hinshaw relates what happens when high-voltage spikes attack modern electronic equipment, what to do when they occur, and more.

This annual "GC Connections" installment reviews GC instrumentation and accessories shown at this year's Pittcon and also includes some products from Analytica in Munich.

The second part of the series takes a look at what happens to the pneumatic operating conditions and chromatography with GC oven temperature programming of a wide-bore column.

In this month's "GC Connections" installment, John Hinshaw discusses computerized pneumatics for gas chromatography. This is the first of a two-part series that reviews computerized pneumatics and some important considerations that arise in the course of normal use.