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As 99.9% pure thorium oxide, price per thorium contained. Free on Board port of entry, duty paid. 91: Pa: Protactinium: 15.37: 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 ...
Lead prices began to rise in early 2007 due to increased worldwide demand. Prices were about $1,200 per tonne of lead in the July, then rose to $2,220 per tonne by September and collapsed back down to $1,200 per tonne in the October of that year. Despite the bullish market condition, the price had collapsed by the July 2009 and was only worth ...
The rate of ore production expanded in the years between 1953 and 1973, rising to 2.74 million tonnes in 1960, 3.65 million tonnes in the 1965–66 financial year, and plateauing for a time at 7.2 million tons per year (2.6 million tons per year of lead–zinc ore and 4.6 million tons per year of copper ore) in 1973.
According to the Metal Stocks in Society report of 2010, the total amount of lead in use, stockpiled, discarded, or dissipated into the environment, on a global basis, is 8 kg per capita. Much of this is in more developed countries (20–150 kg per capita) rather than less developed ones (1–4 kg per capita). [198]
MJ/kg (Wh/kg) MJ/L (Wh/L) W/kg Wh/$ ($/kWh) % %/month years Lead–acid: SLA VRLA PbAc Lead: H 2 SO 4: Lead dioxide: Yes 1881 [1] 1.75 [2] 2.1 [2] 2.23–2.32 [2] 0.11–0.14 (30–40) [2] 0.22–0.27 (60–75) [2] 180 [2] 5.44–13.99 (72–184) [2] 50–92 [2] 3–20 [2] Zinc–carbon: Carbon–zinc Zinc: NH 4 Cl Manganese (IV) oxide: No 1898 ...
The current formulation of 100LL (low lead, blue) aviation gasoline contains 2.12 grams per US gallon (0.56 g/L) of TEL, half the amount of the previous 100/130 (green) octane avgas (at 4.24 grams per gallon), [85] and twice as much as the 1 gram per gallon permitted in regular automotive leaded gasoline prior to 1988 and substantially greater ...
A Minnesota couple has reportedly been sentenced to four years after they locked their children in cages for "their safety." The couple was arrested and charged with 16 counts in June 2023. They ...
In January 2015 a decision was made to place Paroo Station Mine into full care and maintenance due to depressed global lead prices combined with high treatment charges. The mine ceased operations on 15 February 2015. The last containers of lead concentrate departed the Port of Fremantle on 24 February 2015.