The Scepter Claris column has a bioinert surface treatment on the column body and frit for a completely metal-free flowpath. It is ideal for the analysis of compounds that adsorb to either stainless steel or PEEK. The organosilane hybrid particle with C18 ligand is suitable for a wide variety of applications and mobile phase conditions up to pH 12 and 100% aqueous. Bioinert coating eliminates adsorption and reduces tailing for compounds that have strong interactions with stainless steel or PEEK surfaces. USP L1, pore size:120A, pH range: 1-12, max pressure: 100 MPa/1000 bar/15,000 psi, carbon load: 20%, fully endcapped. Similar to Acquity Premier BEH C18.