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Brownlee HRes Analytical DB Cyano 100 mm 2.1 mm 1.9 um

The construction of this new line of small particle columns for high pressure application yields excellent longevity and reproducibility. These packings exhibit an exceptionally tight particle size distribution for excellent resolving power and are packed at elevated pressures to assure column stability even at high pressure applications.

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Each column is tested to ensure the highest level of quality and efficiency in high pressure LC testing.
Recent developments in LC column technology have now made the use of sub 2 µm particle packing materials practical. These smaller particle size materials allow higher mobile phase linear velocities to be used, without the decrease in separation efficiency experienced with conventional larger particle size packings. This translates into higher throughput and higher productivity. To conserve mobile phase, these sub 2 µm column materials are typically packed into 2.1 mm i.d. columns so that flow rates (mobile phase volume) are kept low. However, smaller sized packings result in elevated operating pressures. Technological advances in pump and injector designs have also kept pace, and these columns can be used at pressures as high as 10,000 psi with the PerkinElmer Flexar HLPC or up to 15,000 psi using FX15 LC systems.


Inner Diameter 2.1 mm
Length 100.0 mm
Particle Size 1.9 µm
Phase Cyano
Product Brand Name Analytical DB
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