J&W GC columns ensure accurate peak identification and quantification for gas chromatography analysis with ultra-low-bleed technology. Learn more.

Jun 24, 2025 · The evolution of column technology has been instrumental in the advancement of gas chromatography (GC). In its early days, GC relied on packed columns, which offered high retention …

Oct 22, 2025 · Optimize your GC analyses with the ultimate guide to gas chromatography columns—covering types, phases, carrier gases, and performance tips.

The History of Supelco and the Capillary Column Supelco began in 1966 in a tiny garage in a small central Pennsylvania (USA) town manufacturing packed gas chromatography (GC) columns. By …

The remarkable inertness of Rxi technology solves this problem and allows a wide range of compounds to be analyzed with high sensitivity, often on a single column! Figure 1: Compared to conventional …

Dec 3, 2024 · Column bleed – where components of the stationary phase degrade and interfere with results – is a persistent challenge in GC/MS analyses. This can lead to spectral interference, …

Sep 10, 2024 · Agilent has a 50-year history of innovation in gas chromatography, continually setting the standard for GC column performance. The new Agilent J&W 5Q GC/MS columns combine Agilent’s …

The Fused Silica GC column technology was developed by Agilent Technologies, while J & W Scientific developed the first stationary phases out of cross-linked polysiloxane. Thanks to the partnership, HP …

Trace analysis requires GC columns with excellent inertness, low column bleed, and excellent column-to-column reproducibility so that lower limits of detection and quantitation can reliably be achieved. …

Learn how to choose the right GC column the first time, optimize separations for the best balance of resolution and speed, and troubleshoot quickly based on chromatographic symptoms.