Common gold questions
The processes used to refine gold are many centuries old. The two most common methods of refining gold are refining with flame and the use of chemicals.
There are actually a few different methods of refining gold. Depending upon the quantity of gold you are working with and the desired level of purity, the two most common methods for refining gold are the use of high temperature flame and the use of chemicals to refine the gold.
Refining with flame is one of the oldest methods of refining metals. Mentioned even in the bible, refining by fire is the preferable method for larger quantities of gold. In ancient times, this form of refining involved a craftsman sitting next to a hot fire with molten gold in a crucible being stirred and skimmed to remove the impurities or dross that rose to the top of the molten metal. With flames reaching temperatures in excess of 1000 degrees Celsius, this job was definitely a dangerous occupation for the gold refiner. The tradition remains largely untouched today with the exception of a few advancements in safety and precision.
The second method of refining gold involves the use of chemicals. Strong acids are used to dissolve the impurities in the gold ore and afterwards, are neutralized and washed away, taking the impurities with them. The resulting product is a muddy substance that is almost pure gold (99.999% or 24K). This muddy substance is dried until it is a powdered residue and then heated with a torch or other source of heat to melt the gold powder into useable gold. The acids used for this process are Nitric acid and Hydrochloric acid.
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Common Gold Questions
- Does gold back the American Dollar?
- How does gold get its name?
- How is gold mined?
- How many grams in an ounce of gold?
- How much gold is found in the human body?
- How much gold is there in an Olympic gold medal?
- How much gold is gold worth?
- How to buy gold
- How to find gold
- How to pan for gold
- How to refine gold
- How to tell Fool's Gold for real gold
- Is the US Dollar backed by gold?
- What family does the element gold belong to?
- What gold detectors actually work finding gold?
- What happened during the Klondike gold rush?
- What is gold used for?
- What is the boiling point of gold?
- What is the Latin word for gold?
- What year was gold discovered in California?
- When did the Gold Rush end?
- When did the Gold Standard end?
- Where is gold found in the world?
- Where is gold found on earth?
- Where is gold found?
- Who first discovered gold?
- Who discovered the element gold?
- Who was president during the California gold rush?
- Why were there so few easterners involved in the California gold rush?
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