Platinum from catalytic converters! Part 1.
Теги
catalytic converteraqua regiagold recoverydo it yourself (hobby)gold recovery without chemicalssilver recoveryPGMspalladium metalpalladium chloride synthesispalladium chloride solutionpalladium chloride reductionplatinum ammonium chlorideammonium chloride usesaqua regia gold recoveryaqua regia dissolving platinumgoldgold refiningcatalytic converterscatalytic converters platinumscience