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 LC System1260 Infinity III Bio-Inert Analytical-Scale LC Purification System1260 Infinity III Prime LC System1260 Infinity III Prime Online LC System1290 Infinity III Method Transfer System
Price
TypeModular HPLC/UHPLCInquireModular HPLC/UHPLCInquireMethod Transfer UHPLC
Detector(s)VWD, DAD, FLD, RID, ELSDInquireVWD, DAD, FLD, RID, ELSDInquireInquire
Flow Rate0.001-10 mL/min0.001-10 mL/min0.001-5 mL/min0.001-5 mL/minUp to 5 mL/min
Max. Pressure600 bar (8700 psi)600 bar800 bar (11600 psi)800 bar1300 bar
DescriptionRobust analytical HPLC system with binary, quaternary, or isocratic pump options, up to 600 bar. InfinityLab Assist technology.Bio-inert HPLC purification system for large biomolecules, up to 600 bar.Flexible HPLC/UHPLC system with quaternary pump, up to 800 bar, Intelligent System Emulation Technology.Online process analysis HPLC system for automated monitoring with real-time data. Quaternary pump, up to 800 bar.UHPLC method transfer system with Intelligent System Emulation Technology, up to 1300 bar.
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