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6 results for “All-in sustaining cost (AISC)” in Industry
Industry · 7 August 2026
After the Cyanide
…ecause it is the only reagent that dissolves gold selectively at industrial scale and low cost; the risk lies in handling and storage, not in the chemistry being exotic. · Free cyanide degrades in sunlit water over weeks; the durable hazards at a closed mine are usually metals an…
Tomas Herrera · 17 min read
Industry · 4 August 2026
The Gold Inside Your Phone
…duce 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-term substitution programmes that were already underway for other re…
Tomas Herrera · 15 min read
Industry · 28 July 2026
Urban Mining: The Richest Gold Ore on Earth Is in Your Old Phone
…nomics are unforgiving. The gold in a single handset is worth a small fraction of what it costs to individually collect, transport, store and manually disassemble that handset. Value appears only at scale and only when the whole device is treated as a bundle of materials — copper…
Tomas Herrera · 13 min read
Industry · 7 August 2026
How Fake Gold Is Detected
…The layered approach · No dealer runs one test. Authentication is a sequence, ordered by cost and speed, in which each stage is designed to catch a different class of forgery. A bar that reaches the end of the sequence has been examined by methods with independent physical bases…
Tomas Herrera · 15 min read
Industry · 2 July 2026
Nine Nines: Inside a Modern Gold Refinery
…from a large refinery are among the richest precious-metal feedstocks in existence. · The cost of the Wohlwill process is time and inventory. A cell cycle takes days, and during those days a substantial quantity of gold is locked up in solution and in partially dissolved anodes.…
Tomas Herrera · 12 min read
Industry · 6 August 2026
The Scrap Trade
…d each margin is defensible on its own terms — the counter carries fraud risk and holding cost, the consolidator carries transport and insurance, the refiner carries process losses. Stacked, they explain most of the gap between spot and what a seller is offered. · Do the arithmet…
Ingrid Sørensen · 15 min read
