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
Item1290 Infinity III Analytical-Scale LC Purification System1260 Infinity III Bio-Inert LC System1260 Infinity III Prime Analytical-Scale LC Purification System1260 Infinity III Prime LC System1290 Infinity III Multi-Method System
Price
TypeAnalytical-Scale Preparative UHPLCBio-Inert HPLCInquireModular HPLC/UHPLCInquire
Detector(s)DAD (240 Hz), RI, FLD, ELSD, LC/MSD optionalInert UV and fluorescence flow cellsInquireVWD, DAD, FLD, RID, ELSDInquire
Flow Rateup to 5 mL/min0.2-10 mL/min0.001-5 mL/min0.001-5 mL/minUp to 5 mL/min
Max. Pressure1300 bar600 bar (8700 psi)800 bar800 bar (11600 psi)1300 bar
DescriptionAnalytical-scale UHPLC purification system for flow rates up to 5 mL/min, columns up to 10 mm id.Bio-inert HPLC system for biochromatography with biocompatible flow path.Flexible preparative HPLC/UHPLC system for analytical-scale purification, up to 800 bar.Flexible HPLC/UHPLC system with quaternary pump, up to 800 bar, Intelligent System Emulation Technology.UHPLC multi-method system for multiple users with automated method switching, up to 1300 bar.
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