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Sample preparation for hyphenated analytical techniques [[electronic resource] /] / edited by J.M. Rosenfeld
| Sample preparation for hyphenated analytical techniques [[electronic resource] /] / edited by J.M. Rosenfeld |
| Pubbl/distr/stampa | Oxford, : Blackwell, 2004 |
| Descrizione fisica | 1 online resource (237 p.) |
| Disciplina | 543.19 |
| Altri autori (Persone) | RosenfeldJ. M |
| Soggetto topico |
Sample introduction (Chemistry)
Chemistry |
| Soggetto genere / forma | Electronic books. |
| ISBN |
9786610213375
1-280-21337-X 1-4443-0550-6 1-4051-4803-9 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Contributors; Contents; 1 Introduction: current techniques and issues in sample preparation; 2 Molecular pathology: applications of genomic analyses to diagnosis of genetic diseases; 3 Measurement of oxidative DNA damage by gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry; 4 Utility of chemical derivatization schemes for peptide mass fingerprinting; 5 Oligosaccharides; 6 Hyphenated techniques in drug discovery: purity assessment, purification, quantitative analysis and metabolite identification; 7 Environmental organic analytes
8 From cells to instrumental analysis9 Studies on animal to instrument hyphenation: development of separation-based sensors for near real-time monitoring of drugs and neurotransmitters; Index |
| Record Nr. | UNINA-9910143297403321 |
| Oxford, : Blackwell, 2004 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Sample preparation for hyphenated analytical techniques [[electronic resource] /] / edited by J.M. Rosenfeld
| Sample preparation for hyphenated analytical techniques [[electronic resource] /] / edited by J.M. Rosenfeld |
| Pubbl/distr/stampa | Oxford, : Blackwell, 2004 |
| Descrizione fisica | 1 online resource (237 p.) |
| Disciplina | 543.19 |
| Altri autori (Persone) | RosenfeldJ. M |
| Soggetto topico |
Sample introduction (Chemistry)
Chemistry |
| ISBN |
9786610213375
1-280-21337-X 1-4443-0550-6 1-4051-4803-9 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Contributors; Contents; 1 Introduction: current techniques and issues in sample preparation; 2 Molecular pathology: applications of genomic analyses to diagnosis of genetic diseases; 3 Measurement of oxidative DNA damage by gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry; 4 Utility of chemical derivatization schemes for peptide mass fingerprinting; 5 Oligosaccharides; 6 Hyphenated techniques in drug discovery: purity assessment, purification, quantitative analysis and metabolite identification; 7 Environmental organic analytes
8 From cells to instrumental analysis9 Studies on animal to instrument hyphenation: development of separation-based sensors for near real-time monitoring of drugs and neurotransmitters; Index |
| Record Nr. | UNISA-996214582503316 |
| Oxford, : Blackwell, 2004 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. di Salerno | ||
| ||
Sample preparation for hyphenated analytical techniques [[electronic resource] /] / edited by J.M. Rosenfeld
| Sample preparation for hyphenated analytical techniques [[electronic resource] /] / edited by J.M. Rosenfeld |
| Pubbl/distr/stampa | Oxford, : Blackwell, 2004 |
| Descrizione fisica | 1 online resource (237 p.) |
| Disciplina | 543.19 |
| Altri autori (Persone) | RosenfeldJ. M |
| Soggetto topico |
Sample introduction (Chemistry)
Chemistry |
| ISBN |
9786610213375
1-280-21337-X 1-4443-0550-6 1-4051-4803-9 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Contributors; Contents; 1 Introduction: current techniques and issues in sample preparation; 2 Molecular pathology: applications of genomic analyses to diagnosis of genetic diseases; 3 Measurement of oxidative DNA damage by gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry; 4 Utility of chemical derivatization schemes for peptide mass fingerprinting; 5 Oligosaccharides; 6 Hyphenated techniques in drug discovery: purity assessment, purification, quantitative analysis and metabolite identification; 7 Environmental organic analytes
8 From cells to instrumental analysis9 Studies on animal to instrument hyphenation: development of separation-based sensors for near real-time monitoring of drugs and neurotransmitters; Index |
| Record Nr. | UNINA-9910830234203321 |
| Oxford, : Blackwell, 2004 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Sample preparation for hyphenated analytical techniques [[electronic resource] /] / edited by J.M. Rosenfeld
| Sample preparation for hyphenated analytical techniques [[electronic resource] /] / edited by J.M. Rosenfeld |
| Pubbl/distr/stampa | Oxford, : Blackwell, 2004 |
| Descrizione fisica | 1 online resource (237 p.) |
| Disciplina | 543.19 |
| Altri autori (Persone) | RosenfeldJ. M |
| Soggetto topico |
Sample introduction (Chemistry)
Chemistry |
| ISBN |
9786610213375
1-280-21337-X 1-4443-0550-6 1-4051-4803-9 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Contributors; Contents; 1 Introduction: current techniques and issues in sample preparation; 2 Molecular pathology: applications of genomic analyses to diagnosis of genetic diseases; 3 Measurement of oxidative DNA damage by gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry; 4 Utility of chemical derivatization schemes for peptide mass fingerprinting; 5 Oligosaccharides; 6 Hyphenated techniques in drug discovery: purity assessment, purification, quantitative analysis and metabolite identification; 7 Environmental organic analytes
8 From cells to instrumental analysis9 Studies on animal to instrument hyphenation: development of separation-based sensors for near real-time monitoring of drugs and neurotransmitters; Index |
| Record Nr. | UNINA-9910840629903321 |
| Oxford, : Blackwell, 2004 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Split and splitless injection for quantitative gas chromatography : concepts, processes, practical guidelines, sources of error / / Konrad Grob
| Split and splitless injection for quantitative gas chromatography : concepts, processes, practical guidelines, sources of error / / Konrad Grob |
| Autore | Grob Konrad |
| Edizione | [Fourth, completely revised edition.] |
| Pubbl/distr/stampa | Weinheim, [Germany] : , : Wiley-VCH, , 2001 |
| Descrizione fisica | 1 online resource (482 p.) |
| Disciplina |
543.0896
543.19 |
| Altri autori (Persone) | GrobKonrad |
| Soggetto topico |
Gas chromatography - Methodology
Sample introduction (Chemistry) |
| Soggetto genere / forma | Electronic books. |
| ISBN |
1-282-01033-6
9786612010330 3-527-61287-4 3-527-61288-2 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Split and Splitless Injection for Quantitative Gas Chromatography; Contents; A Syringe Injection into Hot Vaporizing Chambers; 1. Introduction; 1.1. Syringe Injection; 1.2. Sample Evaporation inside the Needle; 1.2.1. Inaccurate Sample Volume; 1.2.2. Discrimination against High Boilers; 1.2.3. Poor Reproducibility; 1.2.4. Degradation of Labile Solutes; 1.3. Conclusions; 1.3.1. Fast Autosampler?; 1.3.2. Suppressing Evaporation inside the Needle; 1.3.3. Thermospray; 2 . Syringes; 2.1. Plunger-in-Barrel Syringes; 2.1.1. Plungers; 2.1.2. Plunger Guides; 2.2. Plunger-in-Needle Syringes
2.3. Syringe Needles2.3.1. Dimensions; 2.3.2. Needle Tips; 2.3.3. Fixed versus Removable Needles; 2.4. Cleaning of Syringes; 2.4.1. Basic Rules; 2.4.2. Cleaning Procedures; 2.4.3. Plugged Needles; 2.4.4. Blocked Plungers; 3 . Evaporation Inside the Needle; 3.1. The Three-Step Model; 3.2. Models of Evaporation inside the Needle; 3.2.1. Distillation from the Needle; 3.2.2. Gas Chromatography in the Needle; 3.2.3. Ejection from the Needle; 3.3. Conclusions Regarding Optimized Injection; 4 . How Much is Really Injected?; 4.1. Interpretations of ""Sample Volume"" 4.2. Communicating ""Sample Volumes''4.3. Effects on Quantitative Analysis; 5 . Syringe Needle Handling Minimizing Discrimination; 5.1. Definitions of Techniques; 5.2. Experimental Determination of Losses in the Needle; 5.2.1. Method with Two Instruments; 5.2.2. Experiment with a Single Instrument; 5.2.3. Test During Routine Analysis; 5.3. Comparison of Needle Handling Techniques; 5.3.1. Filled Needle Injection; 5.3.2. Slow Injection; 5.3.3. Cool Needle Injection; 5.3.4. Hot Needle Injection; 5.3.5. Solvent Flush Injection; 5.3.6. Air Plug Injection; 5.3.7. Sandwich Injection 5.4. Heating the Needle after Injection?5.5. Effect of Injecting Air; 5.5.1. Concerns Regarding the Column; 5.5.2. Detectors; 5.5.3. Oxidized Sample; 6 . Dependence of Discrimination on Sample Volume; 6.1. Experimental Results; 6.2. Discussion of Mechanism; 6.3. Conclusions; 7 . Solvent and Solutes; 7.1. Volatility of the Solvent; 7.2. Type of Solute; 7.3. Adsorption in the Syringe Needle; 7.4. ""Memory Effects"" Arising from the Syringe; 8 . Injector Temperature; 8.1. Imposed Temperature; 8.2. Temperature Gradient Towards the Septum; 8.2.1. Critical Rear of Needle 8.2.2. Actual Temperature Profiles8.2.3. Effect on Discrimination; 8.2.4. Quantitative Results Differing from One Injector to Another; 8.2.5. Conclusions; 8.3. Themostability of Septa; 8.3.1. Upper Temperature Limit; 8.3.2. Some Tips; 9 . Plunger-in-Needle Syringes; 9.1. Accuracy of Sample Volume; 9.2. Premature Expulsion; 10 . Possibilities of Avoiding Evaporation in the Needle; 10.1. High Boiling Sample Matrix; 10.1.1. Injector Temperature versus Solvent Boiling Point; 10.1.2. Practical Aspects; 10.2. Cooled Septum; 10.3. Cooled Needle Technique; 10.4. Fast Injection by Autosampler 10.5. Evaporation in the Injector |
| Record Nr. | UNINA-9910143970003321 |
Grob Konrad
|
||
| Weinheim, [Germany] : , : Wiley-VCH, , 2001 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Split and splitless injection for quantitative gas chromatography : concepts, processes, practical guidelines, sources of error / / Konrad Grob
| Split and splitless injection for quantitative gas chromatography : concepts, processes, practical guidelines, sources of error / / Konrad Grob |
| Autore | Grob Konrad |
| Edizione | [Fourth, completely revised edition.] |
| Pubbl/distr/stampa | Weinheim, [Germany] : , : Wiley-VCH, , 2001 |
| Descrizione fisica | 1 online resource (482 p.) |
| Disciplina |
543.0896
543.19 |
| Altri autori (Persone) | GrobKonrad |
| Soggetto topico |
Gas chromatography - Methodology
Sample introduction (Chemistry) |
| ISBN |
1-282-01033-6
9786612010330 3-527-61287-4 3-527-61288-2 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Split and Splitless Injection for Quantitative Gas Chromatography; Contents; A Syringe Injection into Hot Vaporizing Chambers; 1. Introduction; 1.1. Syringe Injection; 1.2. Sample Evaporation inside the Needle; 1.2.1. Inaccurate Sample Volume; 1.2.2. Discrimination against High Boilers; 1.2.3. Poor Reproducibility; 1.2.4. Degradation of Labile Solutes; 1.3. Conclusions; 1.3.1. Fast Autosampler?; 1.3.2. Suppressing Evaporation inside the Needle; 1.3.3. Thermospray; 2 . Syringes; 2.1. Plunger-in-Barrel Syringes; 2.1.1. Plungers; 2.1.2. Plunger Guides; 2.2. Plunger-in-Needle Syringes
2.3. Syringe Needles2.3.1. Dimensions; 2.3.2. Needle Tips; 2.3.3. Fixed versus Removable Needles; 2.4. Cleaning of Syringes; 2.4.1. Basic Rules; 2.4.2. Cleaning Procedures; 2.4.3. Plugged Needles; 2.4.4. Blocked Plungers; 3 . Evaporation Inside the Needle; 3.1. The Three-Step Model; 3.2. Models of Evaporation inside the Needle; 3.2.1. Distillation from the Needle; 3.2.2. Gas Chromatography in the Needle; 3.2.3. Ejection from the Needle; 3.3. Conclusions Regarding Optimized Injection; 4 . How Much is Really Injected?; 4.1. Interpretations of ""Sample Volume"" 4.2. Communicating ""Sample Volumes''4.3. Effects on Quantitative Analysis; 5 . Syringe Needle Handling Minimizing Discrimination; 5.1. Definitions of Techniques; 5.2. Experimental Determination of Losses in the Needle; 5.2.1. Method with Two Instruments; 5.2.2. Experiment with a Single Instrument; 5.2.3. Test During Routine Analysis; 5.3. Comparison of Needle Handling Techniques; 5.3.1. Filled Needle Injection; 5.3.2. Slow Injection; 5.3.3. Cool Needle Injection; 5.3.4. Hot Needle Injection; 5.3.5. Solvent Flush Injection; 5.3.6. Air Plug Injection; 5.3.7. Sandwich Injection 5.4. Heating the Needle after Injection?5.5. Effect of Injecting Air; 5.5.1. Concerns Regarding the Column; 5.5.2. Detectors; 5.5.3. Oxidized Sample; 6 . Dependence of Discrimination on Sample Volume; 6.1. Experimental Results; 6.2. Discussion of Mechanism; 6.3. Conclusions; 7 . Solvent and Solutes; 7.1. Volatility of the Solvent; 7.2. Type of Solute; 7.3. Adsorption in the Syringe Needle; 7.4. ""Memory Effects"" Arising from the Syringe; 8 . Injector Temperature; 8.1. Imposed Temperature; 8.2. Temperature Gradient Towards the Septum; 8.2.1. Critical Rear of Needle 8.2.2. Actual Temperature Profiles8.2.3. Effect on Discrimination; 8.2.4. Quantitative Results Differing from One Injector to Another; 8.2.5. Conclusions; 8.3. Themostability of Septa; 8.3.1. Upper Temperature Limit; 8.3.2. Some Tips; 9 . Plunger-in-Needle Syringes; 9.1. Accuracy of Sample Volume; 9.2. Premature Expulsion; 10 . Possibilities of Avoiding Evaporation in the Needle; 10.1. High Boiling Sample Matrix; 10.1.1. Injector Temperature versus Solvent Boiling Point; 10.1.2. Practical Aspects; 10.2. Cooled Septum; 10.3. Cooled Needle Technique; 10.4. Fast Injection by Autosampler 10.5. Evaporation in the Injector |
| Record Nr. | UNINA-9910830472003321 |
|
Grob Konrad
|
||
| Weinheim, [Germany] : , : Wiley-VCH, , 2001 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
