Current Articles - Chromatography Online
Current Articles

Using GC–MS to Observe Changes in the Essential Oil Concentrations in Cedar Tree (Juniperus virginiana) Leaves During a Drought Year

July 1, 2013

A look at how the concentration of essential oils in cedar leaves is affected by changes in temperature and the amount of rainfall

ASMS Review

July 1, 2013

We present a brief review of this year's ASMS conference, which took place June 9–13, 2013, in Minneapolis, Minnesota.

The Top 10 HPLC and UHPLC Column Myths

July 1, 2013

Evidence to demystify HPLC and UHPLC column myths

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.

Understanding Gradient HPLC

July 1, 2013

The underlying principles of gradient elution HPLC are very different from those of the isocratic mode. Appreciating the differences can lead to better methods.

Rapid and Specific Determination of Contaminants, By-Products, and Additives in Insulating Mineral Oils with Tandem Mass Spectrometry

July 1, 2013

The use of electrospray ionization–mass spectrometry for rapid and specific determination of the widely used metal deactivators Irgamet-30 and Irgamet-39 is demonstrated here.

What You Need to Know About HILIC

July 1, 2013

Davy Guillarme discussed the possibilities and limitations of HILIC in a recent web seminar. Here, he answers common questions about the method.

The Essence of Modern HPLC: Advantages, Limitations, Fundamentals, and Opportunities

June 1, 2013

The fundamental concepts of HPLC are re-examined.

A Tribute to Ron Majors

June 1, 2013

For more than 40 years, he has been a master communicator. That's just one reason he has so many fans, and friends, around the world.


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Sample Prep Perspectives | Ronald E. Majors: 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.
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