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The Furnace Atmosphere During the Fire Assay

It has been claimed that the introduction of excess air to the assay furnace during sample fusion can materially increase the gold yield. Testimony by expert witnesses for the defense in recent federal hearings dealing with the dependability of the gold fire assay includes data purported to show this.

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The Bawl Mill   • Over the Divide   • Our Readers Say   • Special Editorial: Gold Anti-Trust Action Committee Believes They Have the Evidence   • World Gold Council News   • Metal Detecting Within the Cordillera for Gold Placers Associated With Tertiary Epithermal Ore Deposits   • Picks & Pans: An Exciting Hobby   • Prospecting for Silver With a Geiger Counter   • The Hanging Tree   • Gold in Chihuahua, Mexico   • ICMJ 10th Annual Photo Contest Results   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices   • Looking Back

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