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Capillary gas adsorption chromatography / / by V.G. Berezkin and J. de Zeeuw
| Capillary gas adsorption chromatography / / by V.G. Berezkin and J. de Zeeuw |
| Autore | Berezkin V. G (Viktor Grigorevich), <1931-> |
| Pubbl/distr/stampa | Heidelberg, : Huthig Verlag, c1996 |
| Descrizione fisica | 1 online resource (334 p.) |
| Disciplina | 543/.0896 |
| Altri autori (Persone) | ZeeuwJ. de (Jaap) |
| Collana | Chromatographic methods |
| Soggetto topico | Gas chromatography |
| ISBN |
1-281-84262-1
9786611842628 3-527-61475-3 3-527-61474-5 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Capillary Gas Adsorption Chromatography; Contents; 1. Introduction; 1.1 Advantages and Limitations of Gas-Solid Chromatography; 1.2 Discovery of Gas-Solid Open Tubular Capillary Columns; 1.3 Classification of Capillary Columns in Gas Chromatography; References; 2. Capillary Gas-Solid Chromatography (Advantages and Limitations); 2.1 On the Role of Gas-Solid Chromatography; 2.2 Comparison of Open Tubular and Packed Gas Adsorption Columns; 2.3 Some Peculiarities of Capillary Adsorption Columns; 2.4 Uncoated Capillaries as Capillary Adsorption Columns; References
3. Fundamentals of Gas-Solid Chromatography3.1 Retention in Gas-Solid Chromatography; 3.2 Chromatographic Zone Broadening in ALOT Columns; 3.3 Dependence of Column Efficiency on Sample Size; 3.4 Resolution of Analyzed Compounds; References; 4. Chromatographic Adsorbents; 4.1 Carbon Adsorbents; 4.2 Molybdenite (MoS2); 4.3 Porous Polymer Adsorbents; 4.4 Silica Gels; 4.5 Alumina; 4.6 Molecular Sieves; 4.7 Ionic Adsorbents; References; 5. Modified Gas-Solid Chromatography; 5.1 Solid Adsorbents Modified by Non-volatile Organic Compounds; 5.2 Adsorbents Modified by Inorganic Salts 5.3 Chemically Modified Adsorbents (Bonded-Phase Silica as Adsorbent in Gas Chromatography)5.4 Adsorbents Modified by Volatile Compounds; 5.4.1 The Role of Volatile Modifier in Gas Chromatography; 5.4.2 Water Vapor as Carrier Gas and Modifying Agent; 5.4.3 Water Vapor (Carrier Gas) and Inorganic Salts (Stationary Phase) in Gas Chromatography; 5.4.4 Carbon Dioxide as Carrier Gas and Modifying Agent; 5.4.5 Use of Volatile Modifier (""Transparent"" to the Flame Ionization Detector); 5.4.6 Using Volatile Modifier with Super-selective Detector 5.5 Adsorption Open Tubular Columns with Modified AdsorbentsReferences; 6. Preparation of Adsorbent Layer Open Tubular Columns; 6.1 Suspension Method; 6.1.1 ALOT Columns with Graphitized Carbon Black; 6.1.2 ALOT Columns with Alumina; 6.1.3 ALOT Columns with other Oxide Adsorbents; 6.1.4 ALOT Columns with Molecular Sieves; 6.1.5 SCOT Columns; 6.2 Preparation of Adsorbent Layer by Synthesis from Materials of the Inner Capillary Walls; 6.3 Preparation of ALOT Columns by Sorbent Synthesis inside the Capillary Column; 6.4 Formation of Adsorption Layer during Glass Capillary Drawing; 6.5 Conclusion References7. Applications of ALOT Columns; 7.1 The Carrier Gas; 7.1.1 Use of Hydrogen; 7.1.2 Optimum Carrier Gas Velocity; 7.2 Release of Particles from the Column Wall upon Application; 7.2.1 Use of Pre-columns; 7.2.2 Use of Particle Traps; 7.3 Separation of Gases; 7.3.1 Inert Gases; 7.3.2 Carbon Monoxide; 7.3.3 Carbon Dioxide; 7.3.4 Carbon Monoxide, Carbon Dioxide and Air; 7.3.5 Carbon Dioxide, C1-C4 Hydrocarbons and Inert Gases; 7.3.6 Sulfur Gases; 7.4 Separation of C1-C5 Hydrocarbons; 7.4.1 C1-C2 Hydrocarbons; 7.4.2 C1-C4 Hydrocarbons 7.4.3 Hydrocarbon Impurity Analysis in Main Hydrocarbon Streams |
| Record Nr. | UNINA-9910877118903321 |
Berezkin V. G (Viktor Grigorevich), <1931->
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| Heidelberg, : Huthig Verlag, c1996 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Food and environmental analysis by capillary gas chromatography : hints for practical use / / edited by Lothar Matter ; translated by Anthony J. Rackstraw
| Food and environmental analysis by capillary gas chromatography : hints for practical use / / edited by Lothar Matter ; translated by Anthony J. Rackstraw |
| Pubbl/distr/stampa | Heidelberg, : Huthig Verlag, c1997 |
| Descrizione fisica | 1 online resource (194 p.) |
| Disciplina | 664/.07 |
| Altri autori (Persone) |
MatterLothar
RackstrawAnthony J |
| Collana | Chromatographic methods |
| Soggetto topico |
Food - Analysis
Gas chromatography Environmental monitoring |
| ISBN |
1-281-84240-0
9786611842406 3-527-61255-6 3-527-61254-8 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Food and Environmental Analysis by Capillary Gas Chromatography; Contents; 1. Application of the Rules of Chromatography to Capillary Gas Chromatography; 1.1 Introduction; 1.2 Rules of Chromatography; 1.2.1 Sample Introduction; 1.2.2 Choice of the "Right" Stationary Phase; 1.2.3 Column Length; 1.2.4 Column Diameter; 1.2.5 Film Thickness; 1.2.6 Carrier Gas; 1.3 Applications; 1.3.1 Determination of Pentachlorophenol in Wood; 1.3.2 Subjectivity of the Senses - Objectivity of Capillary GC; 1.3.3 Determination of Bromocyclene and Musk Xylene in Fish; 1.3.4 Separation of 33 Organochloropesticides
1.3.5 Sense and Nonsense of Analyzing PAH-Contaminated Soils1.3.6 Detection of Irradiated Fat-Containing Foods; 1.3.7 Distinction between Animal Species in Heated Products; 1.3.7.1 Detection of the Addition of Pork Dripping to Goose Dripping; 1.3.7.2 Detection of the Addition of Cow's Milk to Sheep and Goat's Milk Products; 1.3.7.3 Distinction between Beef and Pork Products; 1.3.7.4 Distinction between Hutch Rabbit and Wild Hare; 1.3.7.5 Distinction between Domesticated Pig and Wild Boar, and between Veal and Beef; 1.3.7.6 Distinction between Game Species 1.3.8 Determination of Germination Inhibitors (IPC/CIPC) in Potatoes1.3.9 Interpretation of Chromatograms - An Example; 1.4 Summary; 1.5 References; 2. GUMS Determination of Residues and Contaminants; 2.1 Introduction; 2.2 Recording Mass Spectra; 2.2.1 Full Scan; 2.2.2 Mass Fragmentography; 2.3 Applications of GC/MS to the Analysis of Residues and Contaminants in Foods; 2.3.1 Identification of Unknown Substances and Confirmation of Analytical Data by Recording Complete Mass Spectra; 2.3.1.1 Determination of Triazine Herbicides in Drinking Water 2.3.1.2 Confirmation of Chlorpyriphos-Ethyl in Oranges2.3.1.3 Detection of Dichloran in Nutrition; 2.3.1.4 Identification of Propenophos in Tomatoes; 2.3.1.5 Determination of Hormone Derivatives in Veal; 2.3.1.6 Detection of Neuroleptics in Pork; 2.3.2 Detection and Determination of Residues and Contaminants with the Aid of Mass Fragmentography; 2.3.2.1 Determination of Polychlorinated Dibenzodioxins and Dibenzofurans; 2.3.2.2 Determination of PCB and PCB Substitutes; 2.3.2.3 Determination of Polybrominated Flame Retardants; 2.3.2.4 Determination of Polychlorinated Terpenes 2.3.2.5 Determination of Benzo[a]pyrene in Smoked Meat and Meat Products2.3.2.6 Determination of Chloramphenicol in Foods of Animal Origin; 2.3.2.7 Determination of b-Sympathomimetics in Meat and Urine; 2.3.2.8 Determination of Diethylsilbestrol in Meat by GC/LRMS and GC/HRMS; 2.4 Summary; 2.5 References; 3. Determination of PAH in Foods; 3.1 Introduction; 3.2 PAH in Oils and Fats; 3.2.1 Analysis of Fats and Oils; 3.2.2 Injection Systems; 3.2.3 Results; 3.3 PAH in Vegetables; 3.3.1 Analysis; 3.3.2 Results; 3.4 PAH in Fish Products and Mollusks; 3.4.1 Analysis; 3.4.2 Results; 3.5 PAH in Coffee 3.5.1 Analysis |
| Record Nr. | UNINA-9910144119203321 |
| Heidelberg, : Huthig Verlag, c1997 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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