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1.4×10 −6 [i] (3.878 × 10 10 kg) No reliable price available. In 1959–1961 Great Britain Atomic Energy Authority produced 125 g of 99.9% pure protactinium at a cost of $ 500 000 , giving the cost of 4 000 000 USD per kg. [ 44 ]
The environmental cost of copper mining was estimated at 3.7 kg CO2eq per kg of copper in 2019. [49] Codelco, a major producer in Chile, reported that in 2020 the company emitted 2.8t CO2eq per ton (2.8 kg CO2eq per kg) of fine copper. [ 50 ]
Despite the small share of physical copper associated with LME Copper contracts, their prices act as reference prices for physical global copper transactions. [5] This practice started in 1966, when Zambia, Chile, and most Copper-producing countries abandoned fixed price copper contracts, and announced that they would set copper contract prices based the average monthly price of the nearest ...
Another annoyance of copper is that at a price of about $4.30 per pound, you’ll have to lug around a lot of it to store much value. But investing in bullion poses another major downside.
‘Copper is the new oil,’ and prices could soar 50% as AI, green energy, and military spending boost demand, top commodities analyst says. Jason Ma. May 19, 2024 at 3:39 PM.
As a stunt to publicise the 99.999% pure one-ounce Canadian Gold Maple Leaf series, in 2007 the Royal Canadian Mint made a 100 kg 99.999% gold coin, with a face value of $1 million, and now manufactures them to order, but at a substantial premium over the market value of the gold.
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