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Per-kilogram prices of some synthetic radioisotopes range to trillions of dollars. ... and the cost of extraction of the element, at zero. ... Boron: 2.34: 10 (2.77 ...
An intake of 4 g/day of boric acid was reported without incident, but more than this is considered toxic in more than a few doses. Intakes of more than 0.5 grams per day for 50 days cause minor digestive and other problems suggestive of toxicity. [188] Boric acid is more toxic to insects than to mammals, and is routinely used as an insecticide ...
18. Platinum. Cost: $33.02 per gram Platinum is a beautiful precious metal that is in a similar category as gold and silver. All three of these metals are frequently traded in the global markets ...
As of 5 April 2014, prices for small samples (up to 100 g) of silicon, antimony and tellurium, and graphite, aluminium and selenium, average around one third the cost of silver (US$1.5 per gram or about $45 an ounce). Boron, germanium, and arsenic samples average about three-and-a-half times the cost of silver.
Use this guide to help you choose the best option near you. When considering places to buy a money order, compare their fees so you can get the best deal. ... Limit: $500 per money order; $2,500 ...
Helium-3 traded for about $2,500 per liter in 2024, according to the Edelgas Group. ... Elvis said the moon's permanently shadowed regions near its poles are also "special places for astronomy ...
Boron fiber is a primary reinforcement constituent in Hy-Bor, a prepreg blend of boron fiber and carbon fiber primarily used for high-performance aerospace and sporting goods applications. In the production process, elemental boron is deposited on an even tungsten wire substrate which produces diameters of 4.0 mil (102 micron) and 5.6 mil (142 ...
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