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Laboratory Instructions FIRE ASSAYS GOLD SILVER LEAD CD |
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Item Description
UNIVERSITY OF CALIFORNIA
DEPARTMENT OF MINING AND METALLURGY
ASSAYING LABORATORY
S. B. CHRISTY
Dean
LABORATORY INSTRUCTIONS FOR FIRE ASSAYS OF GOLD,
SILVER, AND LEAD
BY
WALTER S. MORLEY
Assistant Professor of Metallurgy
UNIVERSITY OF CALIFORNIA PRESS
BERKELEY
1913
Illustrated - 45 pages - on CD
CONTENTS
CHAPTER I PRELIMINARY WORK PAGE
1. Weighing
2. Practice in Cupellation
3. Parting Gold and Silver
4. Fire Assay of Lead Bullion
CHAPTER II. SCORIFICATION ASSAYS
5. Scorification in General
6. Scorification of Silver Ores
7. Quartz-Gold Ores containing less than one-half Pyrite
8. Quartz-Gold Ores containing more than one-half Pyrite
9. Scorification Assay of Samples High in Copper
10. Scorification Assay of Ores and Products Fusible with Difficulty.
11. General Practice
CHAPTER III CRUCIBLE ASSAYS
12. Determination of Gold and Silver in Litharge: of the Reducing Powers of Charcoal, Argol, and Flour, and Assay of Fluxes
13. Quartz Ores
14. Nitre Assay for Ores containing Moderate Amounts of Pyrite
15. Nitre Assay for Ores containing Large Amounts of Pyrite
16. Roasting Method for Ores containing Large Amounts of Pyrite
17. Assay of Sulphide Ores by "Nail Method"
18. Assay of Tailings
CHAPTER IV BULLION ASSAYS
19. Assay of Gold Bullion
20. Fire Assay of Silver Bullion
CHAPTER V MISCELLANEOUS WORK
21. Furnace Repairs. Making Cupels
22. Melting, Refining, and Sampling of Gold and Silver Bullion
23. Comparison of Methods for Assay of Copper-bearing Materials
24. Practice in Sampling, Panning, and Amalgamating
25. Fire Assay of Lead Ores
CONDITION: NEW on CD
out of print public domain book
Includes new slim jewel case
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