Gold Recovery from Gold Plated Pins and Connector Pins
11/03/2017· If you are a newbie then please learn about GOLD RECOVERY CHEMICALS and GOLD RECOVERY EQUIPMENT first! Gold plated pins Recycling: First of all weight the pins. Your pot should be twenty percent bigger. One kg connector pins need 20 liter pot. Dip 1 kg connector pins in five litter HCl hydrochloric acid or muriatic acid. Then add 1 liter water.




































