Eco-goldex O series reagent for gold. Air bubbler gold leaching.

Silver remover solution!

Silver stripping from copper and aluminium!

Base station 5G Teardown. Huawei 5G.

Gold electronic scrap from a friend! 68 kg.

Electroless silver plating!

Eco-goldex E series palladium stripping tests.

Gold mining from motherboards. Eco-goldex.

Eco-goldex. Selective gold leaching from Pentium Pro.

Eco-goldex gold precipitation problems.

I bay Eco-goldex to get some secrets.

Eco-friendly gold leaching chemical is so-called cyanide-free gold dressing agent. Gold y2b

Rhodium refining secrets.

Most dangerous gold refining process.

The stock pot PGMs.

Rhodium (III) chloride co-deposition on zinc! Part one!

Pure palladium metal from palladium ammonium chloride.

Platinum group metals as catalytic converters. Sodium hydroxide metod.

Palladium ammonium chloride. Separate palladium from rhodium.

Ammonium hexachloroplatinate to pure platinum metal.

Refining of Palladium. Ammonium formate.

Recovering Platinum-Group Metals in Catalytic Converters

Solder remover demo.

Aqua regia denox nitric acid and gold precipitant.

Turn dirt gold to 9999. 40 grams gold process by oxalic acid.

Gold from aqua regia with sodium sulfite. Use urea to neutralize nitric acid.

Find platinum in catalytic converters! Part 1.

Gold processing with oxalic acid.

Yellow Prussian salt for gold plating in the future.

Power of iodine gold leaching in action.