DiagNano™ Plain Porous Silica Particles are monodisperse, porous silica microparticles used for chromatography with high loading capacity, strong mechanical strength, and superior separation capability. These microparticles have a hydrophilic surface with terminal Si-OH groups. These porous silica particles are available with the following pore sizess: 100 Å, 120 Å, 1000 Å, 1600 Å. Other pore sizes are available upon request.