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6 results for “Good Delivery bar” in Industry
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 meta…
Tomas Herrera · 12 min read
Industry · 6 August 2026
The Scrap Trade
…ined, deliverable metal, and scrap is none of those things yet. Between the counter and a good delivery bar sit testing, transport, insurance, refining losses and refining charges, plus a margin at each intermediary. A buyer paying spot would be operating at a loss. · Is recycled…
Ingrid Sørensen · 15 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 · 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 wha…
Tomas Herrera · 13 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
…dy being paid, and rarely appears in any discussion of what gold costs to produce. · What good closure looks like · The best-run closures share a shape. Reagent circuits are rinsed and neutralised before the plant is stripped. Tailings surfaces are capped to exclude oxygen and sh…
Tomas Herrera · 17 min read
