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In our January issue:
COLUMNS
LC TROUBLESHOOTING
 The Role of pH in Retention and Selectivity
 The mobile-phase pH can be a powerful tool to control retention and selectivity, but it can also get you in trouble if it is not controlled properly. John Dolan explains more. Read more >>
GC CONNECTIONS
 How to Control Peak Resolution
 The experimental factors that control peak resolution and how chromatographers can use this to find an optimum between time, cost, and performance are examined. Read more >>
SAMPLE PREPARATION PERSPECTIVES
 Microextraction and Forensic Toxicology Analysis
 This instalment describes several commonly used microextraction sample preparation techniques and their applications to forensic toxicology analysis. Read more >>
THE ESSENTIALS
 Three Common SPE Problems
 How to recognize and solve the most common SPE problems. Read more >>
Features
 Pittcon 2017 Hits Chicago
 A glimpse of what's on offer for chromatographers at Pittcon 2016. Read more >>
PEER-REVIEWED ARTICLES
 High-Throughput Sample Preparation
 This article summarizes current experiences with PALME, based on work in a university laboratory and an analytical services contract laboratory. Read more >>

Characterizing Mesquite Flour Using LC–MS
 A liquid chromatography–mass spectrometry (LC–MS) method was used in conjunction with two complementary types of chromatographic retention modes — reversed phase and aqueous normal phase — to identify various compounds present in mesquite flour extracts. Read more >>

A Tool for Learning and Teaching LC
 This free software allows teachers to illustrate the basic principles of HPLC, such as chromatographic resolution, the van Deemter equation, and how to manipulate or adapt retention in reversed-phase HPLC. Read more >>
UPCOMING WEBCASTS

 Part 1: Automated LC Method Development – Fundamentals and Columns
 Tuesday, February 21, 2017
11 am EST | 4 pm GMT | 5 pm CET
 Register here>>
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Pesticide Testing

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