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It is not obligatory to melt gold in a graphite crucible; generally is important to avoid contamination of gold with impurities from the crucible.

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Related Questions

Why cupola furnace called crucible furnace?

A cupola furnace is not the same as a crucible furnace. A cupola furnace is a type of melting furnace used mainly for iron melting, while a crucible furnace is a type of melting furnace that uses a ceramic or graphite crucible to contain the molten metal. The names reflect the different structures and functions of the two types of furnaces.


What is the definition for crucible?

A crucible is a heat-resistant container typically used for melting, mixing, or heating materials at high temperatures. It is commonly made from materials such as ceramic, graphite, or metal and is essential in various industrial processes such as metalworking, chemistry, and glassmaking.


Why is graphite used to make crucible?

Graphite is used to make crucibles because it has a high melting point, excellent thermal conductivity, and chemical inertness, making it ideal for containing and withstanding high temperatures during melting processes. Additionally, graphite crucibles are durable, provide good heat distribution, and resist thermal shock.


What does a crucible look like?

A crucible is typically a heat-resistant container made of materials such as ceramic, graphite, or metal. It is usually tall and cylindrical in shape with a lid to contain the materials being heated. The size and design of a crucible can vary depending on its intended use in processes such as melting, purifying, or analyzing materials.


What is crucible used for?

A crucible is used for heating, melting or calcination of materials.


What is the material of a Fire crucible used in high temperature ovens?

Graphite


Is graphite a gold mixture?

Graphite is a form of pure carbon; it does not contain gold.


What is the name of pots used for melting metals in?

Crucible


Use the word crucible in a sentence?

Gold is melted in a crucible.


How do you melt down gold jewelry?

Remove any stones, put the jewelry into a crucible, and the crucible into a furnace, heat until melted, pour into molds. A blowtorch would do the job as well, ideally oxy-acetylene.


How did The Crucible theater get its name?

I'm not certain but I imagine it is a combinations of things... Sheffield has a great history of steel making, including 'crucible steel' that was made by heating and melting iron in a container called a crucible. Also, the theatre can be said to be a 'melting pot' of ideas and so likened to a crucible.


Why is it necessary to mix nickel with silver?

Melting in an alumina crucible.