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7 results for “nanogold applications” in Industry
Industry · 4 August 2026
The Gold Inside Your Phone
…st but structurally durable slice of annual gold demand. · Aerospace, medical and defence applications are the least price-sensitive gold demand anywhere, protected by requalification costs far larger than any metal saving. · How much gold is in a smartphone? Roughly 0.2 to 0.35…
Tomas Herrera · 18 min read
Industry · 7 August 2026
After the Cyanide
…blic purse decades later. · Cyanide-free leaching chemistries exist and are used in niche applications, but none yet match cyanide's combination of selectivity, cost and scale across the range of ore types the industry processes. · Why is cyanide used to extract gold? Because gol…
Tomas Herrera · 16 min read
Industry · 2 July 2026
Nine Nines: Inside a Modern Gold Refinery
…Some refiners produce 999.99, or 'five nines', for specialist electronics and scientific applications. · Why does the Miller process stop at about 99.5 per cent? Chlorination removes base metals and most silver efficiently, but the remaining platinum-group elements and residual…
Tomas Herrera · 19 min read
Industry · 20 August 2026
The Refiner's Ledger
…h of the Asian retail and jewellery market, or for specialised industrial and electronics applications — refiners turn to Wohlwill electrolysis, a slower and more capital-intensive process in which impure gold is dissolved as an anode in an electrolytic cell and re-deposited as p…
Tomas Herrera · 17 min read
Industry · 28 July 2026
Urban Mining: The Richest Gold Ore on Earth Is in Your Old Phone
…nner, and substitution to palladium-coated copper wire in packaging has removed gold from applications that once consumed it steadily. · But recovery does not scale with content alone. Thinner deposits inside more tightly integrated, adhesive-bonded, multi-layer assemblies are ha…
Tomas Herrera · 16 min read
Industry · 7 August 2026
How Fake Gold Is Detected
Counterfeiting gold is not about making something that looks right. It is about defeating a specific test, and the industry's defences are an escalating conversation between forgers and instruments. ·…
Tomas Herrera · 16 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 · 16 min read
