HPLC Instrument

High-performance liquid chromatography (HPLC) (also called high-pressure liquid chromatography) is a solution-phase technique for fractionation of complex samples. Unlike standard column chromatography, HPLC is an active process in which materials are pumped at high pressure through the separation column, which contains the so-called “stationary phase” of the separation in the form of densely packed, often chemically functionalized beads. Once introduced to the column, it is the sample’s differential affinity for the solvent (“mobile”) and stationary phases that enables separation to occur, generally with sharper resolution than standard liquid chromatography. High performance liquid chromatographs can be used for analytical or preparative applications depending on the HPLC pump and the column size. HPLC columns are available in a variety of formats, including reverse phase, ion exchange, and size exclusion, which separate based on polarity, charge, and size, respectively.

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CompanyAgilent TechnologiesAgilent TechnologiesAgilent TechnologiesAgilent TechnologiesAgilent Technologies
Item1260 Infinity III Prime LC System1260 Infinity III Bio-Inert LC System1260 Infinity III Prime Online LC System1290 Infinity III Bio Online LC System1290 Infinity III LC System
Price
TypeModular HPLC/UHPLCBio-Inert HPLCInquireInquireUHPLC
Detector(s)VWD, DAD, FLD, RID, ELSDInert UV and fluorescence flow cellsInquireInquireVWD, DAD, FLD, RID, ELSD, LC/MS
Flow Rate0.001-5 mL/min0.2-10 mL/min0.001-5 mL/minup to 5 mL/min0.001-5 mL/min
Max. Pressure800 bar (11600 psi)600 bar (8700 psi)800 bar1300 bar1300 bar
DescriptionFlexible HPLC/UHPLC system with quaternary pump, up to 800 bar, Intelligent System Emulation Technology.Bio-inert HPLC system for biochromatography with biocompatible flow path.Online process analysis HPLC system for automated monitoring with real-time data. Quaternary pump, up to 800 bar.Biocompatible online UHPLC system for real-time bioprocess monitoring with up to 1300 bar.Analytical UHPLC system with market-leading sample capacity, binary and quaternary pump options, up to 1300 bar, InfinityLab Assist technology.
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