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 Bio-Inert LC System1260 Infinity III Amino Acid Analysis System1290 Infinity III 2D-LC System1290 Infinity III Bio Online LC System1290 Infinity III Method Development System
Price
TypeBio-Inert HPLCHPLC2D-LC UHPLCInquireInquire
Detector(s)Inert UV and fluorescence flow cellsDAD, FLDMultiple detector configurationsInquireInquire
Flow Rate0.2-10 mL/minInquireup to 5 mL/minup to 5 mL/minUp to 5 mL/min
Max. Pressure600 bar (8700 psi)600 bar1300 bar1300 bar1300 bar
DescriptionBio-inert HPLC system for biochromatography with biocompatible flow path.Complete automated HPLC amino acid analysis system.Two-dimensional LC UHPLC system for comprehensive separations and MS compatibility. Up to 1300 bar.Biocompatible online UHPLC system for real-time bioprocess monitoring with up to 1300 bar.UHPLC method development system with automated column and solvent switching, up to 1300 bar.
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