Surfactants in analytical chemistry: applications of organized amphiphilic media
Gespeichert in:
Hauptverfasser: | , |
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Format: | Buch |
Sprache: | English |
Veröffentlicht: |
Amsterdam [u.a.]
Elsevier
1996
|
Schriftenreihe: | Wilson & Wilson's comprehensive analytical chemistry
31 |
Schlagworte: | |
Online-Zugang: | Inhaltsverzeichnis |
Beschreibung: | Richtiger Name des 2. Verf.: Ezio Pelizzetti |
Beschreibung: | XVIII, 521 S. Ill., graph. Darst. |
ISBN: | 0444890335 |
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490 | 1 | |a Wilson & Wilson's comprehensive analytical chemistry |v 31 | |
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650 | 7 | |a Spectrometrie |2 gtt | |
650 | 7 | |a Surfactantia |2 gtt | |
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Datensatz im Suchindex
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adam_text |
Wilson amp; Wilson's
COMPREHENSIVE ANALYTICAL CHEMISTRY
VOLUME XXXI
SURFACTANTS IN ANALYTICAL CHEMISTRY
APPLICATIONS OF ORGANIZED AMPHIPHILIC MEDIA
by
E PRAMAURO and E PELEZ1DTTI
ELSEVIER
AMSTERDAM - LAUSANNE - OXFORD - NEW YORK - SHANNON - TOKYO
Contents
Editor's preface xv
Authors' preface xvii
Chapter 1 Behaviour and properties of amphiphilic molecules and their
assemblies 1
1 1 Amphiphilic molecules 2
111 Functionalized amphiphilic molecules 5
1 2 Preparation and purification of synthetic and naturally
occurring surfactants 8
1 3 Surface activity in aqueous solution 8
1 4 The critical micelle concentration (cmc) 11
141 The measurement of cmc 14
142 Factors affecting the cmc 15
1 5 Equilibrium treatment of micelle formation 21
1 6 Thermodynamics of micelle formation 27
161 Estimation of AG0 28
162 Enthalphy and entropy of micelle formation 29
1 7 The degree of dissociation of micelles 32
1 8 Micellar dynamics 40
1 9 Micellar structure 42
191 General structure of ionic and non-ionic micelles 42
192 The microenvironment in, on, and near the micellar
aggregate 43
1 10 Micellar parameters 45
1 10 1 Micellar size and shape Aggregation number 45
1 10 2 Interfacial potential Electrostatic interactions 50
1 10 3 Competition of ions at the micellar surface 56
1 10 4 Micropolarity and microviscosity 59
1 11 Occurrence of organized structures in other polar solvents 65
1 12 Formation of non-micellar organized assemblies in water 69
1 12 1 Formation of liquid crystalline phases 69
1 12 2 Formation of monolayers, bilayers and vesicles 70
ix
1 12 3 Formation of microemulsions 71
1 13 Phase diagrams of amphiphilic systems 73
1 13 1 Phase diagrams of ionic surfactants close to the Krafft
point 73
1 13 2 Phase diagrams of non-ionic amphiphiles 74
1 13 3 Phase diagrams of ternary mixtures 76
1 14 Surfactant mixtures 79
1 14 1 Formation of mixed micelles 80
1 14 2 Size and aggregation number of mixed micelles 82
1 14 3 Counterion binding in mixed aggregates 82
1 14 4 Surfactant precipitation in mixed systems 84
1 14 5 Cloud point phenomena in mixed surfactant systems 85
References 86
Chapter 2 Solubilization in micellar systems 93
2 1 Determination of the maximum additive concentration 93
2 2 Solubility of gases in micellar systems 94
2 3 Rate of solubilization 95
2 4 Micelle-water distribution equilibria 96
2 5 Determination of binding constants 100
2 6 Free energy of transfer from water to micelles 101
2 7 Electrostatic interactions 109
271 Interactions with inorganic ions 109
2 8 Distribution of solutes among the micelles Ill
281 Exchange of solubilizates 113
2 9 Location of solubilizate in the micelles 115
2 10 Factors influencing solubilization 120
2 10 1 Effect of the structure of the surfactant 120
2 10 2 Effect of the structure of solubilizates 121
2 10 3 Effect of added electrolytes 122
2 10 4 Effect of pH 122
2 10 5 Effect of addition of non-electrolytes 123
2 10 6 Solubilization of mixtures of solubilizate 125
2 10 7 Effect of temperature 125
2 10 8 Solubilization in non-aqueous solvents 125
References 126
Chapter 3 Effect of surfactant aggregates on chemical kinetics and
equilibria 131
3 1 Classical kinetic models 131
3 2 Electrostatic models 158
3 3 Generalized pseudophase model 162
3 4 Acid-base equilibria 166
3 5 Complex formation in micellar systems 170
351 Reactions between metal ions and current ligands 173
352 Reactions between metal ions and amphiphilic ligands 180
x
3 6 Electron-transfer reactions 183
3 7 Effect of amphiphiles and organized assemblies on
precipitation/dissolution processes 194
References 197
Chapter 4 Spectral analysis in organized amphiphilic media 203
4 1 Surfactant-mediated UV-VIS spectroscopy 203
411 Modification of UV-VIS spectra of organic analytes
upon binding to surfactant aggregates 204
412 Changes of UV-VIS spectra of micellized organic
molecules as indicators of the microaggregate polarity 206
413 UV-VIS Spectroscopy of metal-chelate complexes 211
4 2 Micellar effects on fluorescence 222
421 Medium effects on fluorescence spectra 224
422 Micellar effects on acid-based properties of the excited
states 226
423 Micellar-enhanced fluorescence of organic molecules 227
424 Micellar-enhanced fluorescence of metal chelates 230
425 Synchronous fluorescence in micellar media 232
426 Fluorescence analysis in microemulsions and reversed
micellar solutions 235
4 3 Room temperature phosphorescence in micellar solutions 236
431 MS'-RTP of organic compounds 237
432 MS-RTP of metal chelates 246
4 4 Chemiluminescence in organized media 248
441 Lucigenin-based CL systems 248
442 Other CL systems of analytical interest 252
4 5 Use of surfactant aggregates in atomic spectroscopy 256
451 Mechanism of sensitivity enhancement 257
452 Use of emulsions in atomic spectroscopy 258
453 Use of on-line emulsification in flow systems 260
References 261
Chapter 5 Electroanalytical chemistry in organized surfactant systems 267
5 1 Conductometric measurements in amphiphilic organized media 269
511 Conductometry in surfactant/water systems 269
512 Conductometry in emulsions and microemulsions 273
5 2 Potentiometric measurements 276
521 Methods using surfactant ion-specific electrodes 276
522 The measurement of pH in the presence of
microaggregates 282
5 3 Voltammetric measurements in organized media 290
531 Voltammetric measurements at the DM E electrode 292
oxygen polarograms 295
532 Measurements at the rotating disk electrode 297
533 Cyclic voltammetry in micellar and emulsion media 304
xi
534 Voltammetry in water-oil microemulsions 310
5 4 Electrocatalytic reactions in organized amphiphilic media 310
541 Electrocatalysis in micellar media 312
542 Electrocatalysis in microemulsions 315
543 Surfactant-modified electrodes for electrocatalysis work 317
References 318
Chapter 6 Micellar chromatography 323
6 1 Micellar hplc 324
611 Partition equilibria in MLC: The three-phase partition
model 324
612 Deviations from the Armstrong-Nome model 330
613 Selectivity and retention mechanisms in MLC 333
614 Efficiency in MLC 336
615 Micellar HPLC of organic and inorganic anions 346
616 Capabilities and performances of micellar HPLC 346
6 2 Micellar TLC (MTLC) 355
621 Main features of MTLC 355
622 Examples of MTLC separations 357
6 3 Micellar gel permeation chromatography (MGPC) 358
631 Micelle exclusion separation of organic solutes 358
632 Micelle exclusion chromatography of inorganic anions
and cations 362
6 4 Application of reversed micelles and oil-water microemulsions
in MLC and SFC 365
641 Use of reversed micelles in TLC 365
642 Normal-phase HPLC with reversed micelles 365
643 Use of oil-water microemulsions in MLC 368
644 SFC with reversed micelles 368
6 5 Micellar electrokinetic capillary chromatography (MECC) 372
651 Capacity factor, resolution, and elution ranges in MECC 374
652 Column efficiency in MECC 378
653 Advantages and limitations of MECC separations 379
654 Particular cases of MECC operation 381
655 Examples of MECC separations 382
6 6 Use of amphiphilic structures as stationary phases in
chromatography 385
References 387
Chapter 7 Surfactant-based, extraction and concentration methods 3 9 3
7 1 Surfactant-mediated liquid-liquid extractions 394
711 Surfactant-assisted extractions with non-polar solvents 394
7 2 Extractions with aqueous normal micelles 397
721 Extractions based on thermal phase separation
(cloud-point extractions) 397
722 Separations based on coacervation 406
xii
7 3 Solute extractions using emulsions and microemulsions 407
7 4 Use of amphiphilic molecules and their assemblies in liquid
membranes 409
741 Use of amphiphilic carriers in homogeneous liquid
membranes 410
742 Separation of solutes using emulsion liquid membranes 414
7 5 Micellar-enhanced ultrafiltration 417
751 Separation of organic compounds using MEUF 420
752 MEUF separation of inorganic ionic species based on
electrostatic solute-micelle attraction 425
753 Use of polyelectrolytes in MEUF 429
754 Use of ligand micelles in MEUF 429
755 Advantages and limits of MEUF-based separations of
metal ions 434
7 6 Separations using admicellar chromatography 435
7 7 Miscellaneous surfactant-based separations 437
771 Separations based on foams 438
772 Surfactant-enhanced carbon regeneration (SECR) 440
7 7 Possible future developments of surfactant-based separations 442
References 443
Chapter 8 Use of biomimetic amphiphilic systems in the separation and
analysis of biomolecules 453
8 1 Interactions between biomolecules and mice He-forming
surfactants 454
811 Interactions between proteins and common surfactants 454
812 Interactions of solutes with biosurfactant aggregates 455
8 2 Interactions of biomolecules with membrane-mimetic
structures 458
821 Reversed micelles 460
822 Monolayers 465
823 Preparation of bilayer (black) lipid membranes 473
824 Vesicles 474
8 3 Separation and purification of biomolecules using
membrane-mimetic structures 482
831 Extraction of amino acids in reversed micelles 482
832 Extraction of proteins in reversed micelles 485
8 4 Enzyme solubilization and reactivity in reversed micelles 495
References 498
Index 505
Xlll |
any_adam_object | 1 |
author | Pramauro, Edmondo Pelizzetti, Ezio |
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discipline | Chemie / Pharmazie |
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indexdate | 2024-07-20T04:38:46Z |
institution | BVB |
isbn | 0444890335 |
language | English |
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physical | XVIII, 521 S. Ill., graph. Darst. |
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series | Wilson & Wilson's comprehensive analytical chemistry |
series2 | Wilson & Wilson's comprehensive analytical chemistry |
spelling | Pramauro, Edmondo Verfasser aut Surfactants in analytical chemistry applications of organized amphiphilic media by E. Pramauro and E. Pelezetti Amsterdam [u.a.] Elsevier 1996 XVIII, 521 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Wilson & Wilson's comprehensive analytical chemistry 31 Richtiger Name des 2. Verf.: Ezio Pelizzetti Chemische analyses gtt Chromatografie gtt Membraanblaasjes gtt Micellen gtt Spectrometrie gtt Surfactantia gtt Surface active agents Analytische Chemie (DE-588)4129906-1 gnd rswk-swf Grenzflächenaktiver Stoff (DE-588)4158138-6 gnd rswk-swf Grenzflächenaktiver Stoff (DE-588)4158138-6 s Analytische Chemie (DE-588)4129906-1 s DE-604 Pelizzetti, Ezio Verfasser aut Wilson & Wilson's comprehensive analytical chemistry 31 (DE-604)BV000900805 31 HEBIS Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007340092&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
spellingShingle | Pramauro, Edmondo Pelizzetti, Ezio Surfactants in analytical chemistry applications of organized amphiphilic media Wilson & Wilson's comprehensive analytical chemistry Chemische analyses gtt Chromatografie gtt Membraanblaasjes gtt Micellen gtt Spectrometrie gtt Surfactantia gtt Surface active agents Analytische Chemie (DE-588)4129906-1 gnd Grenzflächenaktiver Stoff (DE-588)4158138-6 gnd |
subject_GND | (DE-588)4129906-1 (DE-588)4158138-6 |
title | Surfactants in analytical chemistry applications of organized amphiphilic media |
title_auth | Surfactants in analytical chemistry applications of organized amphiphilic media |
title_exact_search | Surfactants in analytical chemistry applications of organized amphiphilic media |
title_full | Surfactants in analytical chemistry applications of organized amphiphilic media by E. Pramauro and E. Pelezetti |
title_fullStr | Surfactants in analytical chemistry applications of organized amphiphilic media by E. Pramauro and E. Pelezetti |
title_full_unstemmed | Surfactants in analytical chemistry applications of organized amphiphilic media by E. Pramauro and E. Pelezetti |
title_short | Surfactants in analytical chemistry |
title_sort | surfactants in analytical chemistry applications of organized amphiphilic media |
title_sub | applications of organized amphiphilic media |
topic | Chemische analyses gtt Chromatografie gtt Membraanblaasjes gtt Micellen gtt Spectrometrie gtt Surfactantia gtt Surface active agents Analytische Chemie (DE-588)4129906-1 gnd Grenzflächenaktiver Stoff (DE-588)4158138-6 gnd |
topic_facet | Chemische analyses Chromatografie Membraanblaasjes Micellen Spectrometrie Surfactantia Surface active agents Analytische Chemie Grenzflächenaktiver Stoff |
url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=007340092&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
volume_link | (DE-604)BV000900805 |
work_keys_str_mv | AT pramauroedmondo surfactantsinanalyticalchemistryapplicationsoforganizedamphiphilicmedia AT pelizzettiezio surfactantsinanalyticalchemistryapplicationsoforganizedamphiphilicmedia |