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Integrated circuit QFP, BQFP – Gold recovery

Integrated circuit QFP, BQFP - Gold recovery



How to get gold from QFP, BQFP Integrated circuit. H2SO4 method.

It is important to observe safety at work - use gloves, goggles and mask. Error may injure or kill you. Follow you safety rules?

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Tags: integrated circuits

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8 Comments

  1. Date: November 12, 2017 at 11:29
    Author: John Kasar

    Hello sir. Your videos are very educational. May I know what is Aqua Regia and SMB?

  2. Date: November 17, 2017 at 15:43
    Author: hendra wijaya

    hy sir, sorry if my english is bad. Did you lose your gold in the process? I often recycle similar items, the yield is always more than 2 grams per kilo with the percentage 95 – 97% even more. I think burning ic chips to ashes is as bad as H2SO4. I just need to burn it to ash and just process the ashes (I just hunted gold wire) and process it with NaOH with a little water. then separating the base metal using HNO3. the final result I got was just a gold wire and immediately melted it into a gold button.
    I did this many times without difficulty with plastic ash and silica. the principle is NaOH binding it all. I just had to pour it after diluting it with hot water after the caustic soda cooled and hardened like molten wax.

    as has been done by OWL TECH & BORIS PETROV in their video.

    note; do not add water during the process of using NaOH. just add NaOH to dilute.

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