Organic sequestering agents: a discussion of the chem. behaviour and application of metal chelate compounds in aqueous systems
Gespeichert in:
| Hauptverfasser: | , |
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| Format: | Buch |
| Sprache: | Undetermined |
| Veröffentlicht: |
London
Wiley
1959
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XV, 616 S. |
Internformat
MARC
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| 100 | 1 | |a Chaberek, Stanley |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Organic sequestering agents |b a discussion of the chem. behaviour and application of metal chelate compounds in aqueous systems |c Stanley Chaberek ; Arthur E. Martell* |
| 264 | 1 | |a London |b Wiley |c 1959 | |
| 300 | |a XV, 616 S. | ||
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Datensatz im Suchindex
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| adam_text | Organic
t
STANLEY CHABEREK
The Dow Chemical Company
ARTHUR E MARTELL
Clark University
I
Sequestering Agents
A Discussion of the Chemical Behavior
and Applications of
Metal Chelate Compounds in Aqueous Systems
Contents
1 GENERAL CONCEPTS
1 1 Significance and Scope 1
1 2 Definition of Terms 2
13 T$pes of Metal Chelate Compounds 6
1 4 Representation of Metal-Ligand Bond: 9
1 5 Sequestering Agents 10
1 6 Types of Coordination Groups 12
1 7 Nomenclature of Metal Chelates and Coordination Com
pounds 13
2 THE PROPERTIES OF AQUEOUS METAL CHELATES
2 1 Hydrolysis of Metal Ions 16
2 2 Influence of Chelate Formation on Hydrolysis of Metals
2 3 Coordination Number 24
2 4 Stepwise Complex Formation 26
2 5 Completely Coordinated Metal Ions :J8
2 6 Metal Chelates with Excess Coordinating Orntips on the
Ligand 31
2 7 Incompletely Coordinated Metal Tons 35
2 8 The pH Effect 40
2 9 Absorption Spectra 43
xi
xii CONTENTS
2 10 Oxidation Potential 49
2 11 Type Formulas and Abbreviations 51
3 DETERMINATION OF THE FORMULAS OF METAL
CHELATES 60
Potentiometric Methods
3 1 General Principles CO
3 2 Formation of a Single Metal Chelate, MA 02
3 3 Stepwise Formation of Higher Metal Chelates 07
3 4 Formation of Hydroxo Metal Chelates 70
3 5 Formation of Polynuclear Chelates 7 !
Spectrophotometry Methods
3 6 Formation of a Single Metal Chelate ( ompouud 78
3 7 Successive Formation of Two Metal Chelate Compounds 81
3 8 Consecutive Formation of Three Chel/ite Species 85
Polarographic Determination
3 9 Principles of the Polarographic Method 87
3 10 Determination of the Number of Ligands Bound 90
3 11 Variation of Half-Wave Potential with Solution p 11 93
Miscellaneous Methods
3 12 Conductance 96
4 THE STABILITIES OF METAL CHELAT E COMPOUNDS 100
4 1 The Chelate Formation Constant 100
Methods for Determining Chelate Formal ion Constants
4 2 Displacement of Hydrogen Ions by a Vtetal Ion 102
4 3 Replacement of One Ligand by Another 109
4 4 Replacement of One Metal Ion by Another 111
4 5 Methods Based on Changes in the Standard Redox
Potential 113
4 6 Methods Based on Spectrophotometri ; Measurements 121
4 7 Other Methods 124
Effect of Structure and Properties of Chelating Agent on
Stability of Metal Chelate Compounds
4 8 Size of Chelate Rings 125
4 9 Number of Chelate Rings 12S
4 10 Effect of Ligand Basicity 130
4 11 Influence of Steric Effects 133
4 12 Entropy Considerations 137
CONTENTS
4 13 The Chelate Effect J40
4 14 Influence of Ligand Isomerism on the Stability of the Metal
Chelate Compounds 144
4 15 Influence of Type of Coordinating Groups 340
Effect of Metal Ion
4 16 Correlations of Chelate Stability with the Nature of the Metal
Ion 163
5 METAL BUFFERS
Principles
Examples of Metal Buffer Systems
5 JO
Nature of Metal Buffer Systems 174
Influence of pH on pM 177
Calculation of pM in Metal Buffer Systems 180
Influence of Metal Ion Hydrolysis 1S3
Influence of Precipitating Agents 1S7
pM-pH Curves 192
Variation of pM Functions with Ligand Basicity 195
Simultaneous Control of pM and pH in Buffer Systems 198
Hydrolytic Tendencies of Metal Chelates from pM-pH
Curves 203
Precipitation Tendencies of Metal Chelates from pM-pIi
Curves 206
Selective Precipitation 208
Masking Agents in Polarographic Ann lysis 211
General Considerations 214
6 METAL TITRATIONS 216
6 1 General Principles 216
,62 Advantages of Chelating Agents in Metal Titrations 222
6 3 Metal Titrations with Polyamines 225
6 4 Metal Titrations with Aminopolycarboxylic Acids 227
Experimental Methods of Titration
6 5 General Discussion of Titration Procedures 231
6 6 Standard Chelating Agent and a pH Indicator 233
6 7 Excess Chelating Agent and Standard Base 235
6 8 Metal Indicators 240
6 9 Direct Titration with a Metal Indicator 253
6 10 Indirect Titrations with Metal Indicat or 255
6 11 Titrations Based on a Change in Oxi I ation-1 deduction
Potential 258
xiv CONTENTS
6 12 Amperomefcric Titration with Standard Chelating
Agent 263
6 13 Photometric Titration with Standard Chelating Agent 265
6 14 Coulometric Titrations 267
6 15 High Frequency Titrations 271
6 16 Selective Titrations of Mixtures 276
7 COMMERCIAL APPLICATIONS OF CHE LATIN G AGENTS 297
7 1 General Sources of Metal Ion Contamination 297
7 2 Commercially Important Sequestering Agents 298
Uses Based on Reduction of Metal Ion Acl ivity
7 3 Soaps and Detergents 316
7 4 Textile Processing 322
7 5 Metal Cleaning 335
7 6 Stabilization 339
7 7 Concentration and Separation of Mete Is 344
7 8 Metal Plating 354
7 9 Food Products 357
7 10 Decontamination of Surfaces 361
Applications Based on Direct Use of the Metal Chelate
7 11 Leather 362
7 12 Polymerization 364
7 13 Metal Dyes 368
7 14 Cfctalysis of Chemical Reactions 378
7 15 Summary 393
8 METAL CHELATES IN BIOLOGICAL SYSTEMS 116
Evidence of Trace Metal Requirement
8 1 Essential Elements 416
8 2 Trace Metal Deficiencies 420
Biological Functions of Trace Metals
8 3 Metal Chelates in Enzyme Systems 427
8 4 Porphine Derivatives 428
8 5 Redox Enzymes 429
8 6 Acid-Base Enzyme Catalysis 432
8 7 Role of Iron in Chlorophyll Synthesis 437
8 8 Chemical Reactions of Essential Melals in Biological
Media 443
8 9 Carriers of Trace Metals in Soils 44S
8 10 Carriers of Trace Metals in Physiological Systems 450
CONTENTS XV
Use of Synthetic Metal Chelates in Biological Systems
8 11 Iron Chelates in Plant Nutrition 45 )
8 12 Synthetic Chelates of Metals Other 1 h:in Iron in Plant
Nutrition 469
8 13 Metal Chelates in the Nutrition of M icroorganisms 471
8 14 Implications of the Use of Synthetic Metal Chelates in Plants
and Microorganisms 473
8 15 Metal Chelate Compounds in Animal Nutrition 475
8 16 Removal of Metals from Physiological Systems 477
8 17 Redistribution of Metals and Other Effects of Chelating
Agents in Physiological Systems 483
8 18 The Role of Chelation in Pharmacological Action 487
APPENDIX
1 Abbreviations of Some of the More Commonly Used Li ;amls 505
2 Method of Continuous Variations 508
3 Metal-Ligand Equilibrium Constant Data 511
4 pH-pM Data 586
NAME INDEX 589
SUBJECT INDEX 603
»
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| spelling | Chaberek, Stanley Verfasser aut Organic sequestering agents a discussion of the chem. behaviour and application of metal chelate compounds in aqueous systems Stanley Chaberek ; Arthur E. Martell* London Wiley 1959 XV, 616 S. txt rdacontent n rdamedia nc rdacarrier Metallchelate (DE-588)4169575-6 gnd rswk-swf Metallchelate (DE-588)4169575-6 s DE-604 Martell, Arthur E. Verfasser aut HEBIS Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=001341928&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Chaberek, Stanley Martell, Arthur E. Organic sequestering agents a discussion of the chem. behaviour and application of metal chelate compounds in aqueous systems Metallchelate (DE-588)4169575-6 gnd |
| subject_GND | (DE-588)4169575-6 |
| title | Organic sequestering agents a discussion of the chem. behaviour and application of metal chelate compounds in aqueous systems |
| title_auth | Organic sequestering agents a discussion of the chem. behaviour and application of metal chelate compounds in aqueous systems |
| title_exact_search | Organic sequestering agents a discussion of the chem. behaviour and application of metal chelate compounds in aqueous systems |
| title_full | Organic sequestering agents a discussion of the chem. behaviour and application of metal chelate compounds in aqueous systems Stanley Chaberek ; Arthur E. Martell* |
| title_fullStr | Organic sequestering agents a discussion of the chem. behaviour and application of metal chelate compounds in aqueous systems Stanley Chaberek ; Arthur E. Martell* |
| title_full_unstemmed | Organic sequestering agents a discussion of the chem. behaviour and application of metal chelate compounds in aqueous systems Stanley Chaberek ; Arthur E. Martell* |
| title_short | Organic sequestering agents |
| title_sort | organic sequestering agents a discussion of the chem behaviour and application of metal chelate compounds in aqueous systems |
| title_sub | a discussion of the chem. behaviour and application of metal chelate compounds in aqueous systems |
| topic | Metallchelate (DE-588)4169575-6 gnd |
| topic_facet | Metallchelate |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=001341928&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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