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 Analytical-Scale LC Purification System1260 Infinity III Amino Acid Analysis System1260 Infinity III Prime LC System1290 Infinity III HDR-DAD Impurity Analyzer System1290 Infinity III Method Development System
Price
TypeInquireHPLCModular HPLC/UHPLCInquireInquire
Detector(s)InquireDAD, FLDVWD, DAD, FLD, RID, ELSDHDR-DADInquire
Flow Rate0.001-10 mL/minInquire0.001-5 mL/minup to 5 mL/minUp to 5 mL/min
Max. Pressure600 bar600 bar800 bar (11600 psi)up to 1300 bar1300 bar
DescriptionAnalytical-scale HPLC purification system for preparative work up to 600 bar.Complete automated HPLC amino acid analysis system.Flexible HPLC/UHPLC system with quaternary pump, up to 800 bar, Intelligent System Emulation Technology.Impurity analyzer with 30x higher dynamic range and UV sensitivity. UHPLC resolution at up to 1300 bar.UHPLC method development system with automated column and solvent switching, up to 1300 bar.
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