¿Por qué las joyas de plata se ponen negras?

Why do silver jewelry turn black?

Silver is a precious metal that has been used in jewelry for centuries. However, one of the main concerns for owners of silver jewelry is that it can turn black over time. This phenomenon is known as "tarnishing" and can be frustrating, but it is a natural process that occurs with silver.

What causes silver to turn black?

There are several reasons why silver can turn black:

1. Reaction with sulfur

Silver reacts with sulfur present in the air, in personal care products, and in some foods. This reaction forms a compound called silver sulfide, which has a black or grayish color.

2. Exposure to humidity

Humidity can also cause silver to oxidize and turn black. This happens because water reacts with silver to form silver oxide.

3. Contact with certain metals

When silver comes into contact with other metals, such as copper or aluminum, an electrochemical reaction can occur that causes the silver to oxidize and turn black.

4. Exposure to chemicals

Certain chemicals, such as chlorine, ammonia, and acids, can react with silver and cause it to turn black.

How to prevent silver from turning black?

Fortunately, there are some ways to prevent silver from turning black:

1. Proper storage

Store your silver jewelry in a dry, moisture-free place, such as a jewelry box or pouch. You can also use silica gel bags to absorb moisture.

2. Regular cleaning

Clean your silver jewelry regularly with a soft cloth and a specific silver cleaner. Avoid using abrasive products or those containing chlorine.

3. Avoid contact with other metals

Try not to wear your silver jewelry together with other metal jewelry, such as gold or stainless steel, to avoid electrochemical reactions.

4. Use suitable care products

Apply lotions, perfumes and other personal care products before putting on your silver jewelry to prevent them from reacting with sulfur.

By following these tips, you can keep your silver jewelry shiny and prevent it from turning black. Remember that although tarnishing is a natural process, with proper care you can enjoy your silver jewelry for a long time.

Conclusion

Silver is a precious and beautiful material, but it is susceptible to chemical reactions that can cause it to turn black. Knowing the causes of this phenomenon and taking the appropriate measures to prevent it will help you keep your silver jewelry in excellent condition.

Neogold, the Colombian jewelry store with exclusive pieces, offers you a wide variety of silver and 18k gold jewelry, designed with the highest quality and 3D technology. Visit our store and discover how you can take care of your jewelry so that it always looks like new.

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