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Recycling of aluminum "Hard disks"

hi,

the hardisk aluminum disk also can use nitric acid?how can remove the nickel cleanly?

thank you!

David Ngoo
recycle shop - Malaysia
October 14, 2009

Hello sir,

May I know how to remove plating tatinium and nickel at aluminum disc?

David Ngoo
recycle shop - Malaysia
October 15, 2009

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