Articles by Howard G. Barth - Chromatography Online
Articles by Howard G. Barth

Howard G. Barth


Articles
Professor Barry L. Karger: Scientist, Mentor, and Innovator
October 1, 2013

The innovative and inspiring career of Barry Karger is described, including his pioneering work in bioanalysis.

The Early Development of Size-Exclusion Chromatography: A Historical Perspective
July 1, 2013

This column installment traces the early development of SEC from its inception to its acceptance as a modern analytical technique.

The Early Development of Size Exclusion Chromatography: A Historical Perspective
April 1, 2013

In this month's column, Howard Barth traces the early development of SEC

Approaches for Extracting and Determining Additives, Contaminants, and Low-Molecular-Weight By-Products in Synthetic Polymers
January 1, 2013

Howard G. Barth and Ronald E. Majors Liquid–solid extraction is the most popular method, but sometimes modern approaches such as PLE/ASE and MAE are possible.

Approaches for Extracting and Determining Additives, Contaminants and Low-Molecular-Weight By-Products in Synthetic Polymers
January 1, 2013

This instalment focuses on approaches and techniques for extracting and concentrating small molecules of interest present in polymeric materials.

The State of the Art and Future Trends of Size-Exclusion Chromatography Packings and Columns
July 1, 2012

A comprehensive review of standard and specialty SEC columns, including up-to-date charts and advice on how to choose

Fundamentals and Properties of Size-Exclusion Chromatography Packings and Columns
April 1, 2012

The fundamentals of size-exclusion chromatography, packing properties, and practical approaches for increasing resolution

The Effect of SEC Column Pore Sizes
August 1, 2011

The results of a study to determine the influence of SEC column order on molecular size separation and peak broadening

High-Performance SEC Column Technology
April 28, 2006

Although size exclusion chromatography (SEC) is a fairly mature separation technique, improvements are continually made in packing technology. Howard Barth and Greg Saunders review some of the basics of SEC and look at the current status of column technology, including developments for faster and higher resolution size separations.

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