05314nam 2200613Ia 450 99621258400331620230421044626.01-281-75859-097866117585923-527-61525-33-527-61524-5(CKB)1000000000376225(EBL)482343(OCoLC)288989808(SSID)ssj0000144906(PQKBManifestationID)11150767(PQKBTitleCode)TC0000144906(PQKBWorkID)10146524(PQKB)11605696(MiAaPQ)EBC482343(EXLCZ)99100000000037622519950818d1995 uy 0engur|n|---|||||txtccrElectric field applications in chromatography, industrial and chemical processes[electronic resource] /edited by Takao TsudaWeinheim ;New York VCHc19951 online resource (330 p.)Description based upon print version of record.3-527-28687-X Includes bibliographical references and index.Electric Field Applications in Chromatography, Industrial and Chemical Processes; Table of Contents; 1 Introduction and Summary Takao Tsuda; Part 1 Electrochromatography; 2 Electrochromatography in Analytical Chemistry; 2.1 Theory of Band Broadening; 2.2 Apparent Mean Linear Flow Velocity and Elution Time; 2.3 Processes in Band Broadening; 2.4 Electrochromatography Zones; 2.5 Profiles of Pressurized Flow, Electroosmotic Flow, and Zones of Ionic Solutes; 2.5.1 Flow Profiles of Pressurized Flow; 2.5.2 Flow Profiles of Electroosmosis in an Open Tube; 2.5.3 Flow Profiles for Charged Molecules2.6 Pressurized Flow-Driven Electrochromatography on Microlcolumns2.6.1 Instrumentation; 2.6.2 Features and Operational Factors; 2.6.3 Chromatographic Behavior in Pressurized Flow-Driven Electrochromatography; 2.6.4 Chromatographic Variation due to the Application of High Voltage; 2.6.5 Relation between Elution Time Ratio and pH; 2.6.6 Variation of Electrophoretic and Electroosmotic Flow Velocities with pH; 2.6.7 Dependence of Electrophoretic and Electroosmotic Velocities on the Composition of Eluents Containing Methanol; 2.6.8 Ion-Exchange Chromatography in an Electric Field2.6.9 Voltage-Programmed Electrochromatography2.7 References; 3 Electroosmosis and Electrochromatography; 3.1 Electroosmosis; 3.1.1 Surface Charge of Silica Gel and Packing Support; 3.1.2 Electrical Potential in the Vicinity of a Solid Surface; 3.1.3 Origin of Electroosmotic Flow; 3.1.4 Thickness of the Double-Layer; 3.1.5 Charge Density on Silica Gel Surfaces; 3.1.6 Chemical Modification of the Inner Surface by Adsorption in Open-Tubular Capillary Columns; 3.1.7 Effect of pH on Electroosmosis; 3.1.8 Electroosmotic Mobility in Open-Tubular Capillary Columns3.1.9 Electroosmotic Flow Velocity in Packed Columns3.2 Electroosmotically Driven Chromatography and Electrochromatography; 3.2.1 Electroosmotically Driven Electrochromatography; 3.2.2 Electroosmotically Driven Chromatography; 3.2.2.1 Open-Tubular Capillary Columns; 3.2.2.2 Packed Microcapillary (Drawn Packed Capillary) Columns; 3.2.2.3 Slurry-Packed Capillary Columns; 3.2.3 Advantages of Electroosmotic Flow for Liquid Chromatography; 3.3 References; 4 Electrochromatography with Radial Applied Voltage : Ion Separation by Electrochemical Approach; 4.1 Introduction; 4.2 Experimental Details4.2.1 Design of the Electrode Column4.2.2 Preparation of Stationary Phases; 4.3 Redox Separation of Electroactive Metals on the Conductive Stationary Phase; 4.4 Direct Electrostatic Interactions for Potential-Dependent Separation of Electroinactive Species; 4.4.1 Pretreated Carbon for the Separation of Metal Ions; 4.4.2 Stationary Phase Coated with Crown Ether for the Separation of Alkali Metal Ions; 4.4.3 Electrosorption for the Separation of Neutral Organic Compounds; 4.5 Indirect Electrostatic Interactions for Potential-Dependent Separation of Electroinactive Species4.5.1 Conducting Polymers for Separation of AnionsThis authoritative review brings scientists up-to-date with the exciting recent developments in modern electric field applications and highlights their benefits compared with other methods. In Part 1 the book opens with a complete account ofelectrochromatography - a state-of-the-art technique that combines chromatography and electrophoresis. It reveals how you can achieve first-class separations in numerous analytical and biochemical applications. Part 2 focuses on the unique characteristics of electroprocesses in industry, and several examples, such as electroosmotic dewatering, nElectrochemical analysisChemistry, AnalyticQuantitativeElectrochemical analysis.Chemistry, AnalyticQuantitative.541.37660.297Tsuda Takao911721MiAaPQMiAaPQMiAaPQBOOK996212584003316Electric field applications in chromatography, industrial and chemical processes2041684UNISA