May 1, 2013
By:
Ronald E. Majors
Part I of Ron Major's report on new products introduced at Pittson. This month, columns are highlighted, covering all modes of high performance liquid chromatography (HPLC), ultrahigh-pressure liquid chromatography (UHPLC), and liquid-phase separations.
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May 1, 2013
By:
Ronald E. Majors
This month's installment of "Column Watch" comprises Part II of our yearly report on new products introduced at Pittcon. Gas chromatography columns, sample preparation products, and hardware, accessories, and small tabletop instruments mainly for sample preparation are covered.
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Apr 1, 2013
By:
Ronald E. Majors
Part I of our yearly report, covering columns for all modes of HPLC, UHPLC, and liquid-phase separations.
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Mar 2, 2013
By:
Ronald E. Majors
This article discusses the details of how the newer techniques of sample prepaation are simplified by the use of LC–MS–MS and GC–MS–MS technology.
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Mar 1, 2013
By:
Ronald E. Majors
The results from a reader survey on sample preparation techniques
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Jan 1, 2013
By:
Howard G. Barth, Ronald E. Majors
This instalment focuses on approaches and techniques for extracting and concentrating small molecules of interest present in polymeric materials.
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Oct 1, 2012
By:
Ronald E. Majors
A discussion of new column packing materials– including sub-2-?m particles, superficially porous particles and second-generation monoliths– and their impact on instrumentation and laboratory productivity.
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Oct 1, 2012
By:
Ronald E. Majors
Professor Mary Wirth and graduate students Bingchuan Wei and Benjamin Rogers from Purdue University demonstrate a quantum leap in protein column efficiency. Using colloidal silica particles of submicrometer diameters (470 nm), they obtained plate heights that were as much as 15-fold lower than the theoretical limit for Hagen-Poiseuille flow.
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