Columns | Column: Column Watch

A review of columns unveiled at Pittcon this year, including all modes of HPLC, UHPLC, and liquid-phase separations.

Learn how to use selectivity throughout the sample analysis cycle, from the sampling stage through data analysis and report generation.

The results of a recent survey on high performance liquid chromatography (HPLC) columns shows some interesting changes.

A limited set of stationary phases can separate a wide variety of molecules and maintain good peak shape without mobile-phase additives.

A presentation of the overall trends in liquid-phase chromatography observed at the symposium, as well as the awards presented and the opening plenary session

A brief history of phase development is presented, along with a comparison of gas chromatography and high performance liquid chromatography chiral separations

The advantages of using software to optimize GC methods with practical examples for pesticide analysis are described.

Method translation software enables conversion and improvement of GC methods.

Converting a method from conventional HPLC to high-throughput HPLC or UHPLC is easy with a method translation calculator. Here's how to use them and where to find them, for free.

Nanomaterials offer exciting possibilities for improving separations with techniques such as TLC, SPME, and CE.

A review of the gas chromatography columns, sample preparation, and chromatographic and sample preparation accessories that were presented at Pittcon 2011.

A review of the liquid chromatography columns and accessories for analytical and preparative chromatography to be unveiled at Pittcon 2011

This installment will trace the development of SPP supports to the present-day versions that rival UHPLC supports.

The guest authors describe an optimization procedure to achieve the highest plate count in a given analysis time.

GC expert Jaap de Zeeuw explores the historical development of PLOT columns, covers details of the most popular stationary phases, and provides practical hints.

Ron Majors presents his yearly review of the HPLC Conference.

Monolith pioneer, Frantisek Svec, brings readers up to date on the latest developments in monolith technology.

We focus on the characterization of reversed-phase columns with particular emphasis on the hydrophobic-subtraction model

The coauthors discuss the various attributes of and approaches to reversed-phase chromatography.

The authors review the requirements for columns specifically designed and manufactured for SFC.

Monolith pioneer, Frantisek Svec, brings readers up to date on the latest developments in monoliths for use in chromatography

Ron Majors presents the second part of his yearly review of all that was new and innovative at Pittcon 2010, held this year in Orlando, Florida.

This month's installment of "Column Watch" features Ron Majors' yearly report on new products introduced at Pittcon 2010.

Hydrogen carrier gas can be an effective replacement for helium in many gas chromatography (GC) and GC–mass spectrometry (MS) applications.

In this installment, columnist Ron Majors and guest columnist Frantisek Svec address the current status of CEC, once the hottest topic in the field.

In this installment of "Column Watch," Ron Majors looks at the results of a recent HPLC column survey conducted by LCGC North America.

To meet system suitability requirements, chromatographers might need to make adjustments to the high performance liquid chromatography (HPLC) operating conditions.

Ron Majors provides first-hand coverage of some of the technology and application advances reported at HPLC 2009.

Guest columnists explore how ionic liquids can be tweaked to mimic the popular stationary phases of today.

Ron Majors provides an unbiased look at this present crisis and gives alternative solutions.