| Autor: |
Christian Hecht, Martin Schlott, Hans Martin Lüschow, Rainer Schiele, Alfons Knödler, Catrin Peter, Josef Rothaut, Peter Tews, Klaus Dermann, Ralf Drieselmann, Günther Schlamp, Hermann Renner, Dieter Hollmann |
| Rok vydání: |
2000 |
| Předmět: |
|
| Zdroj: |
Ullmann's Encyclopedia of Industrial Chemistry |
| DOI: |
10.1002/14356007.a12_499 |
| Popis: |
The article contains sections titled: 1. History 1.1. Centers of Gold Production 1.2. Production 1.3. Development of Production Processes 2. Properties 2.1. Physical Properties 2.2. Chemical Properties 3. Occurrence 3.1. Abundance 3.2. Gold Deposits 3.3. Gold Reserves and Resources 4. Production 4.1. Ore Treatment 4.2. Cyanidation 4.3. Recovery of Gold with Carbon 4.3.1. Adsorption of Gold by Carbon 4.3.2. Carbon-in-Pulp Process 4.3.3. Carbon-in-Leach Process 5. Gold Refining 5.1. Chemical Refining 5.2. Miller Process 5.3. Wohlwill Electrolysis 5.4. Solvent Extraction 6. Recovery of Gold from Secondary Materials 6.1. Recovery from Gold Alloys 6.2. Recovery from Sweeps 6.3. Recovery from Surface-Coated Materials 7. Gold Compounds 7.1. Potassium Dicyanoaurate(I) 7.2. Tetrachloroauric(III) Acid 7.3. Sodium Disulfitoaurate(I) 7.4. Miscellaneous Gold Compounds 8. Gold Alloys 8.1. Binary Alloys 8.2. Ternary Alloys 8.3. Higher Alloys 8.4. Production and Processing 9. Quality Specifications and Analysis 9.1. Quality Specifications 9.2. Sampling 9.3. Qualitative and Semiquantitative Analysis 9.4. Quantitative Analysis 9.5. Purity Analysis 9.5.1. Direct Analysis of Metallic Gold 9.5.2. Purity of Gold Solution 9.6. Trace Analysis 10. Uses of Gold and Gold Alloys 10.1. Coins, Medals, and Bars 10.2. Jewelry 10.3. Electronics and Electrical Engineering 10.3.1. Electronics 10.3.2. Electrical Engineering 10.4. Solders 10.5. Pen Nibs 10.6. Chemical Technology 10.7. Dental Materials 10.8. Coatings 10.8.1. Electroplating and Electroforming 10.8.2. Bright Gold 10.8.3. Other Gold Coatings 10.9. Gold Leaf 10.10. Catalysts 11. Economic Aspects 12. Toxicology and Occupational Health |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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