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Tin solder refining (Patreon)

Published:
2017-08-30 02:36:08
Imported:
2021-10

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tin lapse

Here is a time-lapse video of me eletro-refining about half a pound of tin solder. Yes I am bringing back the refining series! Help me make videos by donating here: https://www.patreon.com/CodysLab

Comments

Anonymous

I love time lapses like that! Also just a question: I've tried electro refining copper from 1949-82 copper pennies but I always get a weird fluffy copper colored 'metal?'. I thought I saw some fluffiness in that tin but I've seen you refine electronics with electricity and you got a nice pure copper crystal. How can I fix what i'm doing?

CodysLab
>>6940007

Use a lower voltage! no hydrogen bubbles = less crystal detachment also you want a low current density so that you are putting the atoms on pretty much one at a time rather than slamming them on so hard that they trap water underneath and start new crystals. when they refine the copper in large mining operations they only use 1.2 to 1.3 volts and a very large surface area for the current to spread out on. now keep in mind that if this is your goal you will have to trade some time; like a month or more.

Anonymous

Ohhh! That makes sense! The stuff did look kinda spongy, and that was because of the hydrogen bubbles. I get it now. Thanks Cody!

Anonymous

This has got to be one of my favorite time lapses that you've done! The deposition of material expands in an interesting way. I don't know how solid that material is, but I bet you could use some insulating material as a guide during the process to kind of mold/shape it in a particular way, kind of like 3d printing!