On-line SolEx HRP Cartridges High capacity with good recoveries Wide pH compatibility (0 to 14) Packed with a divinylbenzene polymer with a hydrophilic bonded layer Resin is used in the reversed-phase mode and demonstrates excellent retention properties on both polar and hydrophobic analytes Cartridge fits in a holder for easy exchange when necessary Recommended for: Pharmaceutical and pesticides in water supplies, or endocrine disruptors in seawater can be concentrated with this cartridge, prior to HPLC separation.