HPLC Column, C30, 3um, 4.6mm ID x 150mm Length, 200A. Cogent Brand. 1 EA.

Additional Info:

This Cogent C30™ Stationary Phase has been a premium value and used by HPLC laboratories for many years. Not end capped, it is manufactured with traditional bonding of a ligand that has an average length of 30 carbons to the highest purity silica available, making this column ideal as an Alternate in USP Methods that use the L62 Classification or for new methods.

The 3µm Particle in this column makes it more efficient than a similar 5um column of the same phase and you will experience sharper peaks. However, due to the smaller particle size, there is and increased back pressure and methods that use longer columns and viscous solvents may exceed the pressure limits of your instrument. Used for long-chain, mostly hydrophobic positional, isomers. They are often a better alternative to the normal phase columns and methods for the same compounds as they do not suffer from the typical problems of normal phase HPLC.

Due to the 200A pore size these are an excellent choice for large molecules such as carotenoids, vitamins, peptides and some proteins. These columns have also shown shape selectivity for these isomers. Compare to YMC® C30 Columns for the same methods.


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