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To understand the advantages of HALO® Fused-Core® silica, consider the Van Deemter equation, which estimates the height of a theoretical plateau (H)
with respect to Eddy diffusion (A), longitudinal diffusion (B), mass transfer resistance (C) and finally the linear velocity of the mobile phase (µ).
As a result, the value of H decreases, significantly improving column performance.
The performance gains are substantial in terms of column efficiency and operating pressure, as shown in the example below:
Last but not least, because silica particles are heavier, they are easier to fill homogeneously in the columns. This improves packing compactness.
Finally, the Fused-Core® design has made it possible to create high-performance columns that produce analyses with shorter run times and no back-pressure-related consequences.
They therefore represent an excellent solution for all users, whatever their instrument: HPLC, UHPLC, LC/MS.
HALO® silicas are available in a range of configurations to meet the needs of analytical and QA/QC departments.
Many different column sizes, from capillary to semi-prep columns:
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