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7 results for “doré bar refining” in Industry
Industry · 20 August 2026
The Refiner's Ledger
Somewhere between a mine's doré bar and a Good Delivery brick sits a chain of chlorination furnaces, electrolytic cells, assay labs and accreditation committees that decides which gold the world's markets will accept…
Tomas Herrera · 20 min read
Industry · 2 July 2026
Nine Nines: Inside a Modern Gold Refinery
A doré bar arrives at 85 per cent purity and leaves at 99.99. Between those two numbers sit chlorine gas, aqua regia, an electrolytic cell and a chain of custody that is now as valuable as the…
Tomas Herrera · 12 min read
Industry · 6 August 2026
The Scrap Trade
…. · Scrap is priced off spot, adjusted for assayed fineness, then discounted for testing, refining, transport and each intermediary's margin. · High-street payouts commonly land well below spot for the contained gold; specialist refiners buying in volume pay far closer to it. · H…
Ingrid Sørensen · 15 min read
Industry · 28 July 2026
Urban Mining: The Richest Gold Ore on Earth Is in Your Old Phone
…. On paper, it is the best deposit on the planet. · Why the best deposit on the planet is barely being mined · A mining company deals with one hole in the ground. It builds a road to it once, a plant beside it once, and then runs material from a known coordinate for twenty years.…
Tomas Herrera · 21 min read
Industry · 7 August 2026
How Fake Gold Is Detected
…ior. · Ultrasonic velocity testing is the standard front-line defence against core-filled bars, because sound travels through tungsten far faster than through gold. · For coins, precise dimensional gauging is unusually powerful: the mint's tolerances are tighter than a counterfei…
Tomas Herrera · 15 min read
Industry · 4 August 2026
The Gold Inside Your Phone
…attempt it are genuinely dangerous. · Does a higher gold price reduce electronics demand? Barely, in the short run. Gold is a rounding error in a device's cost structure, so a designer will not redesign a package to save two dollars. Sustained high prices do accelerate longer-ter…
Tomas Herrera · 15 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 longest…
Tomas Herrera · 17 min read
