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Shimmering Silver, the Stuff of Stars

submitted by hpqp

1 decade 3 years 2 months 3 weeks ago

It's like sifting: melt away the crass and keep only the good stuff!

10 Comments

The thumbnail image for this video has been updated - thumbnail added by Barseps.

Were the black impurities at the end the lead recombining with the silver? Or could that be a by product of whatever they were using to melt it down?

I think it has to do with it cooling, but I'm no chemist. Here's the full video just in case: http://youtu.be/y_HY_bUr4Os

>> ^JiggaJonson:

Were the black impurities at the end the lead recombining with the silver? Or could that be a by product of whatever they were using to melt it down?

> black impurities

Slag... flux.... lead... there are many secondary materials used when smelting precious metals. Lead is used to scavenge the precious metal from ore. Flour can be used as a source of carbon to assist in fusion of the metal. The black impurities are... not silver.

This goes into exhaustive detail including the choice of boneash for a cup:
http://www.rocks4brains.com/SmeltingAg.pdf

@mas8705 -- there may be slag, but the residue is PURE SILVER. Congrats!

@ZappaDanMan welcome to the shiny ranks!

@direpickle is now a Silver Star member of the sifting community.

Congratulations!

Our Newest Silver Star member is...

@TheGenk

Yay!

Two new Silver Stars in the Videosift galaxy.

Congratulations to
@soulmonarch and
@messenger

@zombieater

Silver Stardom for zombiedude!

Congrats. Enjoy the new star powers!

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