Melting Silver

Introduction:

Silver is the main metal in e-waste recycling. If you have silver in metal form then you can easily melt this. But if you have silver in powder form like silver chloride then you can face many problems in melting silver. As usually, silver melts at 961 C and this temperature point is less than gold melting but melting silver is hard and technical. I could not explain everything in the video but in this tutorial, I will try to explain everything about melting silver.

Melting Silver:

For silver chloride melting we shall need some chemicals.

• BORAX
• SODA
• Sodium Nitrate or Potassium Nitrate

1. The first thing you have to know that if you are going to melt 1 kg silver chloride then your silver will be 500g to 700g after melting.
2. Don’t use small crucible. Use 10 times bigger crucible of silver powder volume. Because when silver chloride starts to melt, its start boiling.
3. Don’t use a torch for any kind of silver melting. You can watch many videos about silver melting with using a gas torch but this not right way. As you know silver density is low. When we will melt silver with a gas torch then silver can waste with gas torch pressure.
4. Make a mixture of soda and borax with equal quantity. For 1 kg silver chloride melting, you can you about 1/2 kg mixture.
5. Add small amounts of sodium nitrate step by step until you see all silver chloride become in metal form. Don’t use a large amount of sodium nitrate because this is a highly flammable chemical and can explode.
6. When you see all silver has melted then give more 5 to 10 minutes for melting and then pour in the ingot.
7. When you pour this ingot silver will be settled down and a material in glass form will become on the upper side. Leave it to cool down. When you put out silver from ingot after cool down then separate silver and glass.
8. Save this glass material because some silver can be recovered from this.

There is not a rocket science for silver melting but this tutorial can help you to make you melting silver experience easy. If you want to learn about melting gold then click here.

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