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 Amino Acid Analysis System1260 Infinity III Bio-Inert Analytical-Scale LC Purification System1260 Infinity III Bio-Inert LC System1260 Infinity III Prime LC System1290 Infinity III LC System
Price
TypeHPLCInquireBio-Inert HPLCModular HPLC/UHPLCUHPLC
Detector(s)DAD, FLDInquireInert UV and fluorescence flow cellsVWD, DAD, FLD, RID, ELSDVWD, DAD, FLD, RID, ELSD, LC/MS
Flow RateInquire0.001-10 mL/min0.2-10 mL/min0.001-5 mL/min0.001-5 mL/min
Max. Pressure600 bar600 bar600 bar (8700 psi)800 bar (11600 psi)1300 bar
DescriptionComplete automated HPLC amino acid analysis system.Bio-inert HPLC purification system for large biomolecules, up to 600 bar.Bio-inert HPLC system for biochromatography with biocompatible flow path.Flexible HPLC/UHPLC system with quaternary pump, up to 800 bar, Intelligent System Emulation Technology.Analytical UHPLC system with market-leading sample capacity, binary and quaternary pump options, up to 1300 bar, InfinityLab Assist technology.
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