Gold refining and purification are critical processes in the gold industry. These processes are essential to ensure that gold is free from impurities and meets the required standards for various applications, from jewelry to electronics. This article delves into the methods and techniques used in gold refining and purification, providing a comprehensive overview of how raw gold is transform...

1. Chemical method: The chemical method and chemical gold dissolution reduction process use gold dissolving reagents to dissolve gold, and then add reducing agents to selectively precipitate gold to achieve the purpose of purifying gold. The traditional methods of gold chemical dissolution are aqua regia dissolution and controlled electrochlorination dissolution, and the solvents include ...