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 Analytical-Scale LC Purification System1260 Infinity III Bio-Inert LC System1260 Infinity III LC System1260 Infinity III Prime Bio LC System1260 Infinity III SFC/UHPLC Hybrid System
Price
TypeInquireBio-Inert HPLCModular HPLC/UHPLCBio HPLC/UHPLCInquire
Detector(s)InquireInert UV and fluorescence flow cellsVWD, DAD, FLD, RID, ELSDBio-Inert VWD, DAD, FLDInquire
Flow Rate0.001-5 mL/min0.2-10 mL/min0.001-10 mL/min0.001-5 mL/minUp to 5 mL/min
Max. Pressure800 bar600 bar (8700 psi)600 bar (8700 psi)800 bar (11600 psi)600 bar (SFC) / 800 bar (UHPLC)
DescriptionFlexible preparative HPLC/UHPLC system for analytical-scale purification, up to 800 bar.Bio-inert HPLC system for biochromatography with biocompatible flow path.Robust analytical HPLC system with binary, quaternary, or isocratic pump options, up to 600 bar. InfinityLab Assist technology.Versatile bio HPLC/UHPLC system for bioseparations with biocompatible flow path and quaternary pump up to 800 bar.Hybrid SFC/UHPLC system with automated mode switching. 600 bar SFC, 800 bar UHPLC.
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