LEADER 05543nam 2200649Ia 450 001 9910144143303321 005 20170810192834.0 010 $a1-281-08790-4 010 $a9786611087906 010 $a3-527-61130-4 010 $a3-527-61131-2 035 $a(CKB)1000000000375874 035 $a(EBL)482255 035 $a(OCoLC)181369001 035 $a(SSID)ssj0000262532 035 $a(PQKBManifestationID)11215352 035 $a(PQKBTitleCode)TC0000262532 035 $a(PQKBWorkID)10270810 035 $a(PQKB)11791078 035 $a(MiAaPQ)EBC482255 035 $a(EXLCZ)991000000000375874 100 $a20050901d2007 uy 0 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 14$aThe troubleshooting and maintenance guide for gas chromatographers$b[electronic resource] /$fDean Rood 205 $a4th ed. 210 $aWeinheim $cWiley-VCH ;$a[Chichester $cJohn Wiley, distributor]$dc2007 215 $a1 online resource (347 p.) 300 $aPrevious ed. publshed: Weinheim ; New York : Wiley-VCH, c1999, under title: A practical guide to the care, maintenance, and troubleshooting of capillary gas chromatographic systems. 311 $a3-527-31373-7 320 $aIncludes bibliographical references (p. 317) and index. 327 $aThe Troubleshootingand Maintenance Guide for Gas Chromatographers; Preface; Contents; Intentions and Introduction; 1 Introduction to Capillary Gas Chromatography; 1.1 What Is Gas Chromatography?; 1.2 What Types of Compounds Are Suitable for GC Analysis?; 1.3 The Basic Parts of a Gas Chromatograph; 1.3.1 Gas Supply and Flow Controllers; 1.3.2 Injector; 1.3.3 Capillary Column and Oven; 1.3.4 Detector; 1.3.5 Data System; 1.4 The Chromatogram; 1.5 The Mechanism of Compound Separation; 1.5.1 A Simple Description of the Chromatographic Process 327 $a1.5.2 A Detailed Description of the Chromatographic Process1.6 Factors Affecting Separation; 1.6.1 Stationary Phase; 1.6.2 Compound Structure; 1.6.3 Column Temperature; 2 Basic Definitions and Equations; 2.1 Why Bother?; 2.2 Peak Shapes; 2.2.1 Peak Width (W); 2.2.2 Peak Symmetry; 2.3 Retention; 2.3.1 Retention Time (t(r)); 2.3.2 Adjusted Retention Time (t( ?)(r)); 2.3.3 Retention Factor (k); 2.3.4 Retention Index (I); 2.4 Phase Ratio (?); 2.5 Distribution Constant (K(C)); 2.5.1 K(C) and Column Dimensions; 2.5.2 K(C) and Column Temperature; 2.6 Column Efficiency 327 $a2.6.1 Number of Theoretical Plates (N)2.6.2 Height Equivalent to a Theoretical Plate (H); 2.6.3 Effective Theoretical Plates (N(eff)) and Effective Plate Heights (H(eff)); 2.6.4 Precautions When Using Theoretical Plates; 2.7 Utilization of Theoretical Efficiency (UTE%); 2.8 Separation Factor (?); 2.9 Resolution (R); 2.10 Trennzahl (TZ); 2.11 Column Capacity; 3 Capillary GC Columns: Tubing; 3.1 Fused Silica Capillary Columns; 3.2 Fused Silica Tubing; 3.3 Outer Coating; 3.4 Other Tubing Materials; 3.5 Polyimide Fused Silica Tubing Bending Stress; 4 Capillary GC Columns: Stationary Phases 327 $a4.1 Stationary Phases4.2 Types of Stationary Phases; 4.2.1 Polysiloxanes or Silicones; 4.2.2 Arylene-Modified Polysiloxanes; 4.2.3 Polyethylene Glycols; 4.2.4 Porous Layer Stationary Phases; 4.3 Characteristics of Stationary Phases; 4.3.1 Bonded and Cross-linked Stationary Phases; 4.3.2 Stationary Phase Polarity; 4.3.3 Stationary Phase Selectivity; 4.4 Stationary Phase Interactions; 4.4.1 Dispersion Interaction; 4.4.2 Dipole Interaction; 4.4.3 Hydrogen Bonding Interaction; 4.4.4 When There are Multiple Interactions; 4.5 Stationary Phase Equivalencies; 4.6 Column Temperature Limits 327 $a4.7 Column Bleed4.7.1 What is Column Bleed?; 4.7.2 Measuring Column Bleed; 4.7.3 Sensitivity Considerations; 4.7.4 Detector Considerations; 4.7.5 Minimizing Column Bleed; 4.8 Selecting Stationary Phases; 5 Capillary GC Columns: Dimensions; 5.1 Introduction; 5.2 Column Length; 5.2.1 Column Length and Efficiency/Resolution; 5.2.2 Column Length and Retention; 5.2.3 Column Length and Pressure; 5.2.4 Column Length and Bleed; 5.2.5 Column Length and Cost; 5.2.6 Selecting Column Length; 5.3 Column Diameter; 5.3.1 Column Diameter and Efficiency/Resolution; 5.3.2 Column Diameter and Retention 327 $a5.3.3 Column Diameter and Pressure 330 $aThis fourth edition of the classic guide for every user of gas chromatographic instrumentation is now updated to include such new topics as fast GC using narrow, short columns, electronic pressure control, and basic aspects of quantitative gas chromatography. The author shares his many years of experience in technical support for gas chromatography users, addressing the most common problems, questions and misconceptions in capillary gas chromatography. 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