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Chemistry Question?!?

Posted by in Gold Panning FAQ, tags: ,

Question by Alicia: Chemistry question?!?
Gold can be seperated from sand by panning or by a sluice box. in panning, water is mixed with the sand and the resulting slurry is swirled in a shallow, saucer-shaped metal pan. In the sluice-box technique, running water is passes overf and agitates sand-gold mixture. What physical property and what technique makes this serperation possible?

thanks!

Best answer:

Answer by Ossi G
Hello

The higher density of the gold particles compared to sand and other unwanted material makes them sink down faster.
So they are found on the bottom of a pan or whatever is used, while the other material floats away.

Regards

Give your answer to this question below!
[wprebay kw="sluice+pan" num="24" ebcat="1"]
[wprebay kw="sluice+pan" num="25" ebcat="1"]
[wprebay kw="sluice+pan" num="26" ebcat="1"]

Originally posted 2011-09-21 11:14:36. Republished by Blog Post Promoter

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