07/04/2026
Agilent DB-5Q Ultra Low-Bleed GC/MS Columns
J&W DB-5Q columns deliver industry-leading performance for a broad-range of mass spectrometry applications. By combining Ultra Inert surface deactivation with Ultra Low-Bleed chemistry, the J&W DB-5Q delivers exceptional signal-to-noise ratios and mass spectral integrity for challenging active, semi-volatile analytes. Each J&W DB-5Q column is designed for optimal sample throughput, with fast conditioning and outstanding durability, and is tested with a demanding test probe mixture to ensure consistent and reliable column performance. DB-5Q columns are ideal for general use and trace level applications.
Features
Exceptionally low column bleed for improved sensitivity and mass spectral integrity
Excellent peak symmetry for challenging, active analytes
Outstanding column durability even at high operating temperatures
Fast column conditioning
Identical selectivity to DB-5ms and DB-5ms UI
Available in 0.18 mm id column configuration for higher sample throughput and hydrogen carrier gas
Individually tested with Uber One test probe mixture
Performance Summary shipped with each column
Compatible with any GC/MS system