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 Online LC System1260 Infinity III LC System1260 Infinity III Prime LC System1290 Infinity III Bio Analytical-Scale LC Purification System1290 Infinity III Online SPE System
Price
TypeInquireModular HPLC/UHPLCModular HPLC/UHPLCInquireInquire
Detector(s)InquireVWD, DAD, FLD, RID, ELSDVWD, DAD, FLD, RID, ELSDInquireInquire
Flow Rate0.001-5 mL/min0.001-10 mL/min0.001-5 mL/minup to 5 mL/min0.001-5 mL/min
Max. Pressure800 bar600 bar (8700 psi)800 bar (11600 psi)1300 bar1300 bar
DescriptionOnline process analysis HPLC system for automated monitoring with real-time data. Quaternary pump, up to 800 bar.Robust analytical HPLC system with binary, quaternary, or isocratic pump options, up to 600 bar. InfinityLab Assist technology.Flexible HPLC/UHPLC system with quaternary pump, up to 800 bar, Intelligent System Emulation Technology.Biocompatible UHPLC purification system for multimilligram quantities, up to 1300 bar.Automated online solid phase extraction UHPLC system for analyte enrichment and matrix removal.
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