Custom Premix Selecting "Custom Premix" option means that all of the beads you have chosen will be premixed in manufacturing before the kit is sent to you.
Purospher® STAR RP-8 endcapped allows best results and highest flexibility due to its widest pH range up to pH 10.5, best performance and separation highest efficiency. Purospher® STAR RP-8 endcapped is suited very well for the separation of strong hydrophobic compounds and peptides.