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How to recover GOLD in IC Chips easy (BURN CRUSH WASH)

Ashing BGA IC Chips (Top Parts Only) Gold Recovery

HOW TO GET FREE GOLD FROM GOLD CORNER BGA IC CHIPS WITH SULPHURIC ACID / WET ASHING FULL PROCESS

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Wet ash old bga ic with gold and silver caps*Danger ***

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BGA process wet ashing with sulfuric acid

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Huge amount of Gold recovery from scrap BGA chips (Incineration, not wet ashing)

BGA chips (caps) Wet ashing gold recovery & refining - Extreme dangerous!

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Washing Away The Ash From Incinerated IC Chips To Recover Gold