Quaternary HPLC Pumps
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Vanquish™ Quaternary Pump F (Thermo Scientific™)
Separate with more power, with the highest confidence in peak identification and quantification, without compromising durability or robustness.

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.

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.