Search results with tag "Isocratic"
HPLC Basics – principles and parameters - KNAUER
www.knauer.netisocratic Depending on the composition of the mobile phase, two different modes are generally appli - cable. If the makeup of the mobile phase remains constant during the separation process, the HPLC system is defined as an isocratic elution system. When the composition of the mobile
HIGH PERFORMANCE LIQUID CHROMATOGRAPHY (HPLC)
webhost.bridgew.eduIsocratic vs. Gradient Elution of chlorinated benzenes on a C18 column Poor resolution of early-eluting solutes Extremely long t R of late-eluting solutes Isocratic elution Source: Skoog, Holler and Nieman, Principles of Instrumental Analysis.” 5th ed., Harcourt Brace,1998.
Agilent InfinityLab LC Series 1260 Infinity II ...
www.agilent.comThe Pumps comprise one pump head unit with an optional solvent cabinet, a vacuum degasser (optional for the isocratic pump), and a multi-channel gradient valve (MCGV) for quaternary pumps, or an optional solvent selection valve (SSV) for isocratic pumps. The combination of the pump head assembly
Agilent 1260 Infinity Binary LC System User Guide
www.agilent.com1260 Infinity Binary Pump (G1312B) 11 1260 Infinity High Performance Degasser (G4225A) 14 ... The Agilent 1260 Infinity Binary LC - Product Description 1 System Components 1260 Infinity Binary Pump (G1312B) ... (isocratic or gradient) from one of two solvents per channel. Active seal wash (optional) is available for use with ...
HPLC Troubleshooting Guide
s3.wp.wsu.eduRecycling the mobile phase used for isocratic separations has become more popular in recent years as a means of reducing the cost of solvents, their disposal, and mobile phase preparation time. ... The pump must deliver a constant flow of solvent to the column over a wide range of conditions. Modern HPLC pumps incorpor-ate single or dual piston ...
Symmetry Columns - Waters Corporation
www.waters.combeing installed. See “Scaling Up/Down Isocratic Separations” for calculating flow rates when changing column i.d. and/or length. See “Connecting the Column to the HPLC” for a more detailed discussion on HPLC connections. 1. Purge the pumping system of any buffer-containing mobile phases and connect the inlet end of the column to the
Fundamentals of HPLC
polymer.ustc.edu.cnisocratic pump, manual injector, variable wavelength detector, and hand-held controller Modular HPLC System – high-end configuration with quaternary pump, autosampler, column thermostat, diode array detector, and computer with control and data analysis SW Integrated HPLC System “all parts in one box” – different configurations
Agilent InfinityLab LC Series Specification Compendium
quantum.eeSpecification Compendium 3 Contents Contents 1Pumps 5 Agilent 1290 Infinity II Flexible Pump (G7104A) 6 Agilent 1260 Infinity II Isocratic Pump (G7110B) 9