Gold Refining1620439
De BISAWiki
Gold continues to be prospected and mined since times of yore it is one of the most precious metals and has been used as currency or as an item for barter. Gold is thought to be wealth in virtually all cultures and its value has been determined by its purity. gold refining Gold occurs in veins and the ore is mined and then it has to be refined with gold refining equipment to acquire various levels of purity. The gold in the ore is mixed with silver, quartz and other sulfide minerals. With gold refining equipment you can remove these substances and obtain the level of purity you desire.
Since ancient times various refining techniques have been used to purify gold and some of these techniques continue to be use today. As per the process, gold refining equipment will also be different. There are several companies at present who make gold refining equipment that have various capacities and are appropriate for different refiners.
A popular technique of refining gold is the Miller process and the gold refining equipment is an induction furnace. With this process Chlorine gas is to be introduced to ensure that chlorides are formed with the contaminants. Silver, nickel, silver refinery copper and other metals are removed along with atmospheric elements. The chlorides that are formed will float on top of the molten gold in the form of slag.
Refining gold represents the final phase in the gold production. The process consists of eliminating the impurities that remain in the precious metal subsequent to the smelting process companies specialized in refining obtain both gold bars and gold scrap which they later re-liquefy. The following phase is adding borax and soda ash to the metal. With the assistance of these substances, gold is separated from other precious metals and less precious metals.
When the process is finished a sample of the yellow metal is sent to a laboratory and there it is determined if the sparkling metal is pure. The following step is to determine what the gold is intended for. Because the pure gold is very soft with other metals mixed in. It is combined with other metals, they form together an alloy. You can tell what alloys have been used with the precious metal by looking at its color: white- gold and nickel, silver, palladium; red-pink - gold and cooper; blue - gold an iron.
The gold is measured in karats. What this really means is how much precious metal is presented in an object versus another metal. gold refining If the karat is big, then the amount of precious metal will be high. The 24 karat is 100% gold, the 12 karat has half as much. It has been proven that people from different cultures prefer different karats.
Individuals are accustomed to karats as they relate to jewelry in general not just to the yellow metal. The demand for jewelry made out of the yellow metal accounts for about two-thirds of the global demand and interest in gold.
