Palladium recovery from 1.4kg ceramic capacitors - OwlTech
Make Purified Chloroplatinic Acid - NurdRage
Make Gold from Chloroauric Acid - NurdRage
Gold Coin Dissolving in Acid (Aqua Regia) - NurdRage
Pepto Bismol as a fire assay lead replacement - Cody'sLab
Making purple gold (Al2Au alloy) - NileRed