06 October 2014 Issue

Look inside for practical advice on separation science and thought–provoking commentary.

Determining algal toxins in drinking water using UHPLC–HRAM–MS

The development of a column-switching technique based on on-line preconcentration and HRAM–MS to obtain fast and accurate results for the determination of algal toxins in drinking water is presented and discussed in this article.

A zone by zone guide to HPLC systems

To understand how the HPLC system works, it can be useful to first identify the basic components of virtually every system. Armed with that information, envisioning the HPLC system as comprised of three different zones — each with unique characteristics and each with its own set of requirements — can offer further guidance.

Applying GC to environmental geochemistry

In the second of a two-part Q&A The Column spoke to Paul A. Sutton, a research fellow in the Petroleum and Environmental Geochemistry Group at Plymouth University (Plymouth, UK) about his experience with high temperature gas chromatography (HTGC), and his best practices for analysts in the lab.

Tips for monitoring sample recovery in GPC/SEC

This article provides some tips and tricks for monitoring sample recovery and peak area using GPC/SEC.

Quantifying pesticides in juice using LC–MS–MS

Recent developments in LC–MS–MS technology to meet increasing regulatory demands and productivity targets in quality control and contract laboratories for pesticide analysis are explored in this article.