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 Multi-Method System1260 Infinity III Prime Online LC System1290 Infinity III Multi-Method System1290 Infinity III Online SPE System
Price
TypeModular HPLC/UHPLCInquireInquireInquireInquire
Detector(s)VWD, DAD, FLD, RID, ELSDInquireInquireInquireInquire
Flow Rate0.001-10 mL/min0.001-10 mL/min0.001-5 mL/minUp to 5 mL/min0.001-5 mL/min
Max. Pressure600 bar (8700 psi)600 bar800 bar1300 bar1300 bar
DescriptionRobust analytical HPLC system with binary, quaternary, or isocratic pump options, up to 600 bar. InfinityLab Assist technology.Multi-method HPLC system for multiple users with automated method switching.Online process analysis HPLC system for automated monitoring with real-time data. Quaternary pump, up to 800 bar.UHPLC multi-method system for multiple users with automated method switching, up to 1300 bar.Automated online solid phase extraction UHPLC system for analyte enrichment and matrix removal.
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