Heavy Liquids

Any low or nontoxic low cost liquids that have a density above 3 gm/cc?
Bret Cahill

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Ever heard of google?
http://www.heavyliquids.com/
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Beacon of Truth and Light, did you even read the request? He asked for cheap liquids above 3 gm/cc, and you give him a 2.9 gm/cc liquid that isn't:
"The price for small quantities (1 to 4 litres) of LST Heavy Liquid S.G. 2.85 is $670 US per litre + freight"
2.9 g/mL? Pffft. That's not heavy. What do you want this safe liquid for? Grind some cheap, heavy, "safe" electrium (nickel, copper, zinc, brass, bronze, silver, indium, tin, or bismuth) into dust: The smallest and smoothest like brass will flow the most like water. Soot does.
-Aut
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Even a slurry would be ok if it didn't entrain too much air and the viscosity could be kept below 20 - 30 cP.
Bret Cahill
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There is a big difference between a fine powder that flows *like* water and a fluid - intermolecular forces. You can grind or ball-mill a metal all you want, at the end of the day you'll still have a metal powder. No matter how much you refine the particle size, you'll never get forces that emulate the hydrogen bonds between water molecules. THAT is the difference between a fine particle distribution and a true fluid. Blow air on the surface of water, and you get ripples on the surface. Blow air across a pile of soot, and you'll have a room covered with black powder. Autymn D. C. wrote:

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brian stahl wrote:

No problem--I'll do it in a centrifuge.
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Bret Cahill wrote:

Molten Tin.
Michael Dahms
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Bret Cahill wrote:

Molten pig iron. You didn't specify a temp range, so I assume that's okay.
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Any ideas help at this point.
Bret Cahill
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Bret Cahill wrote:

Is the mass density important or the weight density? You could increase the weight by putting the system in a centrifuge. But if you're trying to separate something by gravimetric means, of course that won't help.
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