A GC–MS Purge-and-Trap Method Comparison Study for MTBE Analysis in Groundwater
This article describes a study that assesses the ability of commercially available GC–MS methods to meet project criteria for MTBE in groundwater matrices.
More Peak Asymmetry Calculation
Leslie Ettre discusses peak asymmetry calculation.
The Cleaning and Regeneration of Reversed-Phase HPLC Columns
Ron Majors looks at practical ways to return a contaminated column to its original state.
GC Analysis of Trihalomethanes in Drinking Water — A Rapid and Direct Quantitative Method
The authors describe a GC assay of trihalomethanes in drinking water.
Mobile-Phase Buffers, Part III — Preparation of Buffers
Guest author Tindall's final installment of a three-part series about buffers.
A Leaky Situation
John Hinshaw looks into a carrier-gas leak and its effects on the chromatographic baseline.
A Volatile Ion-Pairing Chromatography Reagent for an LC–MS Mobile Phase
This article presents a volatile ion-pairing reagent that enables good retention of highly polar anionic species using reversed-phase LC–MS.
