Hello my dear freinds,now for purpose of introdusing i explaine you where you can search for gold in electronic waste.E-waste containe lots of gold bering components,but you need to know where to look.In this topic i talk about MICROCHIPS.
Microchips: Microchips containe a bondingvires from 24 karat pure gold insyde them.That vires put together center of chip-silicon die with microchips legs.There is a lot of diferent vays how to get out gold from chips like washing,paning,wet-ashing and others.Amount of gold from 1 kg of microchip varies from 0,5 gram up to 10 gram of gold.You can recover that gold bay burning chip,grinding chip to the ash and paning with water,or bay disolving chip strukture in hot boiling sulfaric acid until all plastic gone and leave you only metal,gold and silica for other proces step in aqwaregia.Aqwaregia is combination of hcl-hydrochloric acid and nitric acid in ratio 3/1 to disolve gold and refine it.Oal this diferent vay how to proces microchip for gold you can find on my Youtube channel 999Dusan gold recovery. Here is link to my channel: