Articles by John V. Hinshaw - Chromatography Online
Articles by John V. Hinshaw

John V. Hinshaw

"GC Connections" editor

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.

Articles
Electronic Control of Carrier Gas Pressure, Flow, and Velocity
November 1, 2014

Have you wondered how your GC system sets and controls gas pressures, flows, and carrier gas velocities electronically? Here, we describe the requirements for and the operation of electronic gas control systems for GC columns and detectors.

Electronic Control of Carrier Gas Pressure, Flow, and Velocity
October 1, 2014

Have you wondered how your GC system sets and controls gas pressures, flows, and carrier gas velocities electronically? Here, we describe the requirements for and the operation of electronic gas control systems for GC columns and detectors.

Electronic Control of Carrier Gas Pressure, Flow, and Velocity
October 1, 2014

How does a GC system set and control gas pressures, flows, and carrier gas velocities electronically?

Gas Cylinder Setup and Use
September 1, 2014

In this instalment, John Hinshaw discusses the laboratory deployment of gas cylinders with appropriate pressure regulators, filtration, and gas fittings, as well as the question of cylinder retirement.

Gas Cylinder Setup and Use
July 1, 2014

What you need to know about pressure regulators, gas filtration, and gas fittings — and when to retire your cylinders

Gas Cylinder Setup and Use
July 1, 2014

Safe and effective gas cylinder setup and use requires the right pressure regulators, fittings, tubing, and filters as well as careful attention to procedure. This month's instalment reviews how to get the best results from laboratory gas cylinders, how pressure regulators work, and what filters should be installed in gas lines.

New Gas Chromatography Products 2014
June 1, 2014

John Hinshaw presents his annual review of GC instruments and accessories that were newly on display at Pittcon in March 2014, or were introduced to the marketplace in the preceding year.

New Gas Chromatography Products 2014
May 1, 2014

John Hinshaw presents his annual review of GC instruments and accessories that were newly on display at Pittcon in March 2014, or were introduced to the marketplace in the preceding year.

New Gas Chromatography Products 2014
May 1, 2014

A review of GC instruments and accessories that were new at Pittcon or introduced to the marketplace in the preceding year

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LCGC COLUMNISTS 2014

Column Watch: Ron Majors, established authority on new column technologies, keeps readers up-to-date with new sample preparation trends in all branches of chromatography and reviews developments. LATEST: When Bad Things Happen to Good Food: Applications of HPLC to Detect Food Adulteration


Perspectives in Modern HPLC: Michael W. Dong is a senior scientist in Small Molecule Drug Discovery at Genentech in South San Francisco, California. He is responsible for new technologies, automation, and supporting late-stage research projects in small molecule analytical chemistry and QC of small molecule pharmaceutical sciences. LATEST: HPLC for Characterization and Quality Control of Therapeutic Monoclonal Antibodies


MS — The Practical Art: Kate Yu brings her expertise in the field of mass spectrometry and hyphenated techniques to the pages of LCGC. In this column she examines the mass spectrometric side of coupled liquid and gas-phase systems. Troubleshooting-style articles provide readers with invaluable advice for getting the most from their mass spectrometers. LATEST: Radical Mass Spectrometry as a New Frontier for Bioanalysis


LC Troubleshooting: LC Troubleshooting sets about making HPLC methods easier to master. By covering the basics of liquid chromatography separations and instrumentation, John Dolan is able to highlight common problems and provide remedies for them. LATEST: How Much Can I Inject? Part I: Injecting in Mobile Phase


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