Last week's recipe for you! Adding borax to melt gold.

Last week's recipe for you! Adding borax to melt gold can be a useful technique to reduce the formation of oxides and other impurities during the melting process. Borax acts as a flux, which means it helps to remove impurities by forming a fluid slag layer that floats on top of the molten gold.

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To use borax when melting gold, you should first melt the gold in a crucible or furnace until it is fully liquefied. Then, sprinkle a small amount of borax onto the surface of the molten gold and stir it in with a stirring rod. The borax will dissolve and help to reduce any impurities present.

It is important to note that while borax can be helpful in removing impurities, it should be used in moderation. Adding too much borax can result in the formation of a thick and sticky slag that is difficult to remove from the surface of the molten gold. Additionally, care should be taken when handling molten gold, as it is extremely hot and can cause serious burns or other injuries if not handled properly.

Borax, also known as sodium borate, is a naturally occurring mineral that is commonly used as a cleaning agent, as well as in the production of glass, ceramics, and other industrial products. It is a white, crystalline powder that is soluble in water and has a variety of chemical and physical properties that make it useful for a range of applications.

In addition to its industrial uses, borax is also used in some household applications, such as a laundry booster or as an ingredient in DIY cleaning solutions. However, it is important to use caution when handling borax, as it can be toxic if ingested or inhaled in large quantities.

As mentioned earlier, borax can also be used as a flux when melting gold, as it helps to remove impurities and reduce the formation of oxides during the melting process. However, it is important to use borax in moderation when melting gold, as adding too much can result in a thick and sticky slag that is difficult to remove.