The Selectra® line of HPLC columns is created using an ultra-high purity, Type B, spherical silica. This support material minimizes surface activity and allows for high density functional group bonding.
The Selectra® EtG phase is designed for maximum retention for polar EtG/EtS alcohol metabolites.
• Baseline resolution differentiating EtG and EtS
• Suitable in 100% aqueous mobile phases
• Carbon Load: 11%
• pH Range: 2-8
• USP designation: L1