Quaternary HPLC Pumps

      UltiMate™ LPG-3400RS Rapid Separation Quaternary Pump (Thermo Scientific™)

      Enjoy the highest degree of flexibility in solvent proportioning for fast, high-resolution separations with this quaternary rapid separation (RS) pump.

      UltiMate™ LPG-3400SD Standard Quaternary Pump (Thermo Scientific™)

      Maximize flexibility across a range of HPLC/UHPLC applications with the highest degree of choice in solvent proportioning and mixing with this fast and UHPLC-compatible pump.

      UltiMate™ LPG-3400XRS Extended Pressure Range Quaternary Pump (Thermo Scientific™)

      Can a quaternary pump offer the fast gradient performance of a binary pump? This LC/MS optimized pump supports ballistic gradients for ultrahigh throughput.

      Vanquish™ Quaternary Pump F (Thermo Scientific™)

      Separate with more power, with the highest confidence in peak identification and quantification, without compromising durability or robustness.