Ebook: Laboratory instructions for fire assays of gold, silver and lead

University of California press, Berkeley, 1913. — 46 p.These instruction sheets have been prepared in this form to take the place of mimeograph copies which were formerly used by students electing the course in fire assaying at the University of California. These notes are concise directions for the carrying out of certain laboratory work, and in no wise cover the ground of the lectures which supplement the instruction in the laboratory.
The purpose of the course is not to teach merely practical fire assaying, but also to familiarize the student with metallurgical principles which underlie smelting operations on the large scale; and in the lectures as much emphasis is placed on the underlying metallurgical principles as on the practical details of fire assaying.
The laboratory work is divided into twenty-five assignments, thirteen of which are intended to cover the work of the first half-year, and the remaining twelve, the work of the second half-year. In addition to the twelve assignments of the second half-year, there will be given, as time permits, assignments relating to the fire assays of mercury, tin, cobalt, and antimony, and the determination of carbon, sulphur, and ash in coal and coke.Table of contents
Preliminary work
Scorification assays
Crucible assays
Bullion assays
Miscellaneous work