Guard Cartridge 17426-012105 – Preserving Analytical Performance
The Thermo Fisher Scientific 17426-012105 guard cartridge is an essential protective accessory for medical, clinical or pharmaceutical laboratories using HPLC systems. Its role is to extend the life of chromatographic columns by retaining impurities, particles and other contaminants that could interfere with analyses or damage the main stationary phases.
Equipped with a specific pentafluorophenyl (PFP) phase, this cartridge offers attractive selectivity for halogenated compounds and certain polar analytes, while maintaining consistent performance over complex injection series. Its short design (10 mm long) and internal diameter of 2.1 mm make it particularly easy to insert into a compatible support without modifying the existing circuit. It therefore integrates perfectly into existing HPLC environments, while ensuring continuity of analytical performance.
Using this cartridge avoids maintenance costs associated with premature column replacement and helps maintain consistent separation quality, which is essential in active substance studies, residue testing and complex matrix analysis.
Thanks to its optimised design, this guard cartridge is particularly valuable in analytical protocols involving raw samples or complex matrices, where contaminants are frequently present. It not only preserves column quality but also improves the reliability of results over time. By limiting the direct exposure of analytical columns to aggressive or disruptive compounds, it acts as a first line of defence in the entire chromatographic circuit.
Its compatibility with standard HPLC systems and simple integration via a drop-in support make it accessible and quick to implement, even in laboratories with high production or analysis rates. It therefore represents a strategic investment for any organisation wishing to optimise its performance without compromising the robustness of its analytical facilities. This cartridge is therefore a discreet but essential tool in any rigorous quality approach.
