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1. |
Record Nr. |
UNICAMPANIAVAN00061420 |
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Autore |
Borghesi, Antonio |
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Titolo |
Marketing assicurativo / Antonio Borghesi |
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Pubbl/distr/stampa |
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Descrizione fisica |
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Disciplina |
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Soggetti |
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Assicurazioni - Vendite - Gestione |
Marketing - Aspetti finanziari |
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Lingua di pubblicazione |
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Materiale a stampa |
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Livello bibliografico |
Monografia |
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2. |
Record Nr. |
UNINA9911019992203321 |
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Autore |
Dong M. W |
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Titolo |
Modern HPLC for practicing scientists / / by Michael Dong |
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Pubbl/distr/stampa |
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Hoboken, N.J., : Wiley-Interscience, 2006 |
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ISBN |
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1-119-29360-X |
1-280-45047-9 |
9786610450473 |
0-470-24575-1 |
0-471-97310-6 |
0-471-97309-2 |
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Descrizione fisica |
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1 online resource (306 p.) |
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Disciplina |
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Soggetti |
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High performance liquid chromatography |
Drugs - Analysis |
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Lingua di pubblicazione |
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Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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MODERN HPLC FOR PRACTICING SCIENTISTS; CONTENTS; Preface; 1 Introduction; 1.1 Introduction; 1.1.1 Scope; 1.1.2 What Is HPLC?; 1.1.3 A Brief History; 1.1.4 Advantages and Limitations; 1.2 Modes of HPLC; 1.2.1 Normal-Phase Chromatography (NPC); 1.2.2 Reversed-Phase Chromatography (RPC); 1.2.3 Ion-Exchange Chromatography (IEC); 1.2.4 Size-Exclusion Chromatography (SEC); 1.2.5 Other Separation Modes; 1.3 Some Common-Sense Corollaries; 1.4 How to Get More Information; 1.5 Summary; 1.6 References; 2 Basic Terms and Concepts; 2.1 Scope; 2.2 Basic Terms and Concepts |
2.2.1 Retention Time (t(R)), Void Time (t(M)), Peak Height (h), and Peak Width (w(b))2.2.2 Retention Volume (V(R)), Void Volume (V(M)), and Peak Volume; 2.2.3 Retention Factor (k); 2.2.4 Separation Factor (a); 2.2.5 Column Efficiency and Plate Number (N); 2.2.6 Peak Volume; 2.2.7 Height Equivalent to a Theoretical Plate or Plate Height (HETP or H); 2.2.8 Resolution (R(s)); 2.2.9 Peak Symmetry: Asymmetry Factor (A(s)) and Tailing Factor (T(f)); 2.3 Mobile Phase; 2.3.1 General Requirements; 2.3.2 Solvent Strength and Selectivity; 2.3.3 Buffers; 2.3.4 Acidic Mobile Phases |
2.3.5 Ion-Pairing Additives2.3.6 High pH Mobile Phase; 2.3.7 Other Operating Parameters: Flow Rate (F) and Column Temperature (T); 2.4 The Resolution Equation; 2.5 The Van Deemter Equation; 2.6 Isocratic vs. Gradient Analysis; 2.6.1 Peak Capacity (n); 2.6.2 Key Gradient Parameters (Initial and Final Solvent Strength, Gradient Time [t(G)], and Flow Rate); 2.6.3 The 0.25Dt(G) Rule:When Is Isocratic Analysis More Appropriate?; 2.7 Concept of Orthogonality; 2.8 Sample Capacity; 2.9 Glossary of HPLC Terms; 2.10 Summary and Conclusion; 2.11 References; 3 HPLC Columns and Trends; 3.1 Scope |
3.2 General Column Description and Characteristics 3.2.1 Column Hardware-Standard vs. Cartridge Format; 3.3 Column Types; 3.3.1 Types Based on Chromatographic Modes; 3.3.2 Types Based on Dimensions; 3.3.3 Column Length (L); 3.4 Column Packing Characteristics; 3.4.1 Support Type; 3.4.2 Particle Size (d(p)); 3.4.3 Surface Area and Pore Size (d(pore)); 3.4.4 Bonding Chemistries; 3.4.5 Some General Guidelines for Bonded Phase Selection; 3.5 Modern HPLC Column Trends; 3.5.1 High-Purity Silica; 3.5.2 Hybrid Particles; 3.5.3 Novel Bonding Chemistries; 3.5.4 Fast LC; 3.5.5 Micro LC; 3.5.6 Monoliths |
3.6 Guard Columns3.7 Specialty Columns; 3.7.1 Bioseparation Columns; 3.7.2 Chiral Columns; 3.7.3 Application-Specific Columns; 3.8 Column Selection Guides; 3.9 Summary; 3.10 References; 3.11 Internet Resources; 4 HPLC Instrumentation and Trends; 4.1 Introduction; 4.1.1 Scope; 4.1.2 HPLC Systems and Modules; 4.2 HPLC Solvent Delivery Systems; 4.2.1 High-Pressure and Low-Pressure Mixing Designs in Multisolvent Pumps; 4.2.2 System Dwell Volume; 4.2.3 Trends; 4.3 Injectors and Autosamplers; 4.3.1 Operating Principles of Autosamplers; 4.3.2 Performance Characteristics and Trends; 4.4 Detectors |
4.5 UV/VIS Absorbance Detectors |
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Sommario/riassunto |
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A comprehesive yet concise guide to Modern HPLC Written for practitioners by a practitioner, Modern HPLC for Practicing Scientists is a concise text which presents the most important High-Performance Liquid Chromatography (HPLC) fundamentals, applications, and developments. It describes basic theory and terminology for the novice, and reviews relevant concepts, best practices, and modern trends for |
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the experienced practitioner. Moreover, the book serves well as an updated reference guide for busy laboratory analysts and researchers. Topics covered include:HPLC operation<li |
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