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By Peter Moulton - A very thorough yet concise book written by inventor and prospector Peter Moulton. At 92 pages, this book is not like most books about fire assay which typically speak over the average prospector's head. Moulton has done an excelent job giving readers technical specifications for proper noble mineral recovery from a variety of common ores without the reader becoming confused. The book includes information in technical terms and general terms so readers can comprehend the process of melting metals and processing ore through a fire assay. Very helpful information on how to mix fluxes, prepare your crucible, melt gold and silver, and how to stay safe doing it. Additionally, Moulton introduces two pieces of equipment every small scale miner should own: The Microwave Gold Kiln and Small Kwik Kiln. Both machines offer the sampling or melting of small batches of material without expending a tremendous amount of energy or time. This book explains the fundamentals of the fire assay and cupellation process in terms even beginners can understand, but provides enough information for a lifetime. Two thumbs up!"
Contents:
SECTION ONE: A Description of the Traditional Methods of Fire Assaying
Chapter 1. Fire Assay Fundamentals
Chapter 2. Fluxing Fundamentals
Chapter 3. Theory of the Fire Assay Crucible Fusion
Chapter 4. The Traditional Fire Assay Fusion Procedure
Chapter 5. Traditional Cupellation Procedure
SECTION TWO: A Description of the Modern Methods of Microwave Fire Assaying
Chapter 6. The Method of Microwave Fire Assaying
Chapter 7. Roasting Sulfide Ores
Chapter 8. Microwave Fire Assaying
Chapter 9. Kiln Cupellation Procedure
Chapter 10. Cupellation & Precious Metal Losses
Chapter 11. Safety Precautions
Chapter 12. Ventilation
