I perform a complete fire assay of two gold ore samples, including smelting, cupelling, weighing the gold bead and calculating the fraction of gold. I demonstrate the use of a DIY analytical balance and a home-designed magnifier.
Keywords: gold ore, fire assay, cupel, smelting flux, crucible, gold bead, litharge, weighing gold, gold prill, lead button, magnifier for gold ore
Негізгі бет DIY Fire Assay of Gold Ore, Beginning to End | How much gold?
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