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6 results for “Troy ounce” in Industry
Industry · 2 July 2026
Nine Nines: Inside a Modern Gold Refinery
…n case the first two disagree. Disagreements over a tenth of a per cent on a four-hundred-ounce bar are worth arguing about. · Fire assay: the referee · The determination that settles disputes is fire assay, a technique that predates the periodic table by two thousand years and h…
Tomas Herrera · 12 min read
Industry · 7 August 2026
After the Cyanide
Every ounce of mined gold leaves behind roughly a tonne of processed rock and the water that carried it. What happens to that material after the last shift is the part of the industry with the lon…
Tomas Herrera · 17 min read
Industry · 7 August 2026
How Fake Gold Is Detected
…el that absorbs base metals, and the remaining precious bead is parted and weighed. It destroys the sample and takes hours, and it remains the reference standard for settlement because it measures the whole sample rather than a surface or a proxy. · The popular image of gold frau…
Tomas Herrera · 15 min read
Industry · 4 August 2026
The Gold Inside Your Phone
Industrial demand is the quietest third of the gold market: a few tenths of a gram per handset, multiplied by billions of devices, chosen not for prestige but because nothing else conducts as reliably…
Tomas Herrera · 15 min read
Industry · 6 August 2026
The Scrap Trade
Roughly a quarter of the world's annual gold supply has been gold before. It arrives as broken chains, single earrings and dental crowns, and it moves through a chain of intermediaries that most selle…
Ingrid Sørensen · 15 min read
Industry · 28 July 2026
Urban Mining: The Richest Gold Ore on Earth Is in Your Old Phone
A tonne of good underground ore holds a few grams of gold. A tonne of discarded circuit boards can hold two hundred. So why is most of it still going into landfill? · Concentration, not tonnage, is wh…
Tomas Herrera · 13 min read
