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Heavy water is the key to one type of reactor in which plutonium can be bred from natural uranium. As such, the production of heavy water has always been monitored, and the material is export controlled.
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www.fas.org/nuke/intro/nuke/heavy.htm
www.fas.org/nuke/intro/nuke/heavy.htm
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Heavy water is chemically the same as regular (light) water, but with the two hydrogen atoms (as in H2O) replaced with deuterium atoms (hence the symbol D2O). Deuterium is an isotope of hydrogen; it has one extra neutron.
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www.sno.phy.queensu.ca/sno/D2O.html
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What is the deal with heavy water? Is it harmful to humans, and if so, in what way? I've read a little bit about it and its use in nuclear reactors, but the politics of that aspect of it make it hard to find out simple facts about the substance itself.
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www.straightdope.com/columns/read/2135/is-heavy-water-d...
www.straightdope.com/columns/read/2135/is-heavy-water-dangerous
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www.heavy-water.com/
www.heavy-water.com/
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What is heavy water? Asked by: Adnan Strujic; Answer; Normal water is made of two hydrogen atoms and an oxygen atom covalently bonded together. This gives the famous H20 formula. Heavy water has exactly the same structure, except the hydrogen atoms are isotopes of hydrogen called 'Deuterium'.
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www.physlink.com/Education/AskExperts/ae365.cfm
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That might make a good cerebral mystery for a student text: a person with full control of an elderly relative deuterates them to death over a couple of weeks to a month (which would take about 50 kg of heavy water at $300 a kg, but nevermind).
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yarchive.net/med/heavy_water.html
yarchive.net/med/heavy_water.html
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