This comprehensive guide teaches how to analyze gold, silver, copper, lead, platinum, and more using a range of proven techniques. Clear, step‑by‑step instructions help readers perform accurate assays and understand the theory behind the methods.

This edition compiles both dry and wet assays, with discussion of equipment, fluxes, and re‑agents. It covers cupellation, lead assays, amalgamation, gold washing, and coin and alloy testing, offering practical guidance for miners, assayers, and smelters seeking reliable results.

How to prepare samples and operate furnaces, crucibles, and cupels
Detailed procedures for silver and gold assays, including lead‑based methods
Fluxes, reagents, and troubleshooting tips to improve accuracy
Procedures for analyzing coins, ores, and alloys with both heat and wet processes

Ideal for readers in historical mining communities, metals workers, and anyone needing a solid, hands‑on reference for assaying metals and related materials.

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