The Sampling annd Assay of the Precious Metals:

Comprising Gold, Silver, Platinum, and the Platinum Group Metals in Ores, Bullion and Products

by

Ernest Alfred Smith

458 Pages

Probably one of the best books on the subject. Covers how to assay normal to complex ores of gold, silver, and Platinum. Discusses types of fluxes to you use based on the ore type and mineralization of your sample. Reprint of the original.

Contents:

1. Introductory
2. The Design and Equipment of Assay Offices and Assay Office Records
3. Assay Furnaces
4. Furnace Implements, Apparatus used in Furnace Operations
5. Balances and Weights: Weighing
6. Gold and Silver: Physical and Chemical Properties
7. Precious Metal Ores: Valuation of Ores
8. Sampling
9. Preparation of Samples for Assay
10. Fluxes and Other Materials Employeed
11. Principles of Fluxing: Assay Slags
12. Assay Operations
13. The Assay of Silver Ores
14. The Assay of Gold Ores
15. The Assay of Complex Gold and Silver Ores
16. Special Methods of Ore Assay
17. Bullion: Valuation and Sampling
18. The Assay of Gold Bullion
19. Assay of Silver Bullion
20. The Assay of Base Bullion (Lead and Copper)
21. The Assay of Industrial Gold and Silver Alloys. Assay Offices for Hall-Marking
22. Assay of Auriferous and Argentiferous Metallurgical Products
23. Laboratory Work in a Cyanide Mill
24. Platinum and the Metals of the Platinum Group
25. The Assay of Platinum