From statues to server racks, copper has been a mainstay metal for thousands of years. Dan Smith shows just a few of the ...

THE importance of copper ions in natural redox systems is well known. For example, the oxidation of diphenols by molecular oxygen occurs by way of a Cu(I) to Cu(II) oxidation in the diphenol oxidase.

Copper compounds are known in several oxidation states, usually 2+, where they often impart blue or green colors to natural minerals such as turquoise and have been used historically widely as ...

Copper(II) chloride dihydrate (426 mg, 2.5 mmol, 1 equiv) was added to the stirred solution, resulting in a rapid color change from dark yellow/brown to dark green/black. After stirring the ...

Get Instant Summarized Text (Gist) A novel electroenzymatic system integrates ferrocene methanol-mediated anodic oxidation with ThDP-dependent enzyme catalysis, enabling efficient, non-natural ...

Brass is a timeless metal for your cabinet hardware. However, the finish can make a major difference in the maintenance and ...

China’s Zijin Mining Group said it stopped operations at one of its mines in Tibet amid a hunt for six people missing after an accident. A search and rescue operation is underway “in full ...

Mac Copper shares climbed before the bell after the miner agreed to be acquired by Harmony Gold Mining and its Australian subsidiary for $1.03 billion. The stock rose 17% to $11.90 in premarket ...

Police stop copper theft in sewer two weeks after similar heist caused explosion Suspect had burglary tools, say Hamilton police. Updated May 30, 2025 at 1:20 p.m.

After 154 years of digging at Morenci, all the easily recoverable copper has been mined. Left behind are towering piles of waste rock that hold nearly ten-million tons of the metal seen as ...

In the past three trading sessions there have been requests for delivery of about 15,000 tons of copper from LME warehouses in Rotterdam, according to exchange data. Copper $ 4.8195 / lb 1.15%.