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My question is: "How could you separate a mixture of iron fillings and aluminum fillings? What property of these metals would allow such a separation?" I know that a magnet would separate them, but what would the property be?
recycling electronics is becoming a bigger business. Many precious metals are used in electronics. Where are the big recylcers located? Referring to the end user? The actual business where the extraction takes place? Or can this process be done at your local recylcling center?