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What Precious Metals Are Commonly Used in Electronics?

No matter how much you adore your electronics, you will have to replace them sooner or later when they are damaged or your preferences change. But, before you get rid of them, have you ever considered what's inside? If you have, you should know that it is better to recycle it than throwing away. Electronics contain numerous components that can be used to create new products. It is best to learn these methods by completing various digital tasks.

precious metal

It is estimated that a computer user spends 40 seconds on one digital task before moving on to the next. Because they are good conductors of electricity, many precious metals are used in the manufacture of electronics. You can find traces of gold, silver, platinum, or palladium if you look closely inside your smartphone or tablet. Some uses of precious metals in electronics include:



Silver can be found wherever there are solders, relays, contacts, and switches. In the periodic table, silver has the highest electrical conductivity. This is one of the primary reasons it was preferred over other low-cost metals. Silver is used in mobile phone screen parts, sensitive microwave screens, and the switch behind the screen. Silver electrodes are used in plasma TV display panels to produce precise and high-quality images. Silver, when combined with lead, allows for faster transmission of electricity as well as magnetic energy, which powers motors such as magnetic levitation trains. Silver is the most popular metal due to its high conductivity as well as cost-effectiveness.



Gold is known for its malleability and resistance to corrosion. Because it is an excellent conductor, it has been used in a variety of electronics including computers, tablets, flash drives, and cell phones. Because of its malleability, gold can be used in any microelectronic, even those carrying the smallest current. Solid-state electronics rely on low voltage, which is easily disrupted by corrosion or destroys the contact points. Other gold-based electronics include:


  • GPS units and calculators
  • PDAs (personal digital assistants)
  • Computers and televisions


In semiconductors, gold plating is used.

It is estimated that approximately one million cell phones are manufactured each year, with each one containing approximately fifty cents worth of gold.



It is mostly found in computer chips and circuits, but it can be found in almost any electronic device. It's also used in thermocouples, circuit board frames, and contacts. It has also been used in the electroplating process. It is preferred over gold in electroplating because it is lighter in weight but has the same thickness as gold. Other metals that can be found in electronic devices include:


  • Computer chips, printed circuit boards, and CPU heat sinks are all made of aluminum and copper.
  • Nickel, tin, and titanium are circuit board components.
  • Hard drives made of neodymium and cobalt


Impurities are removed during extraction using a heat treatment technique known as normalizing. A part is held at temperatures around 700 degrees Fahrenheit in this technique to harden+, improve ductility, and remove carbon as an impurity. To maintain consistency, the air is cooled to increase the ferric grains, which have an affinity for carbon. The exact amount of heat used for treatment depends on the amount of carbon in the metal.


It is estimated that approximately 0.7 percent of Americans would take their precious metals jewelry to a pawnshop for quick cash. Can you imagine having a broken or unused electronic in your apartment with this in mind? What amount of gold, silver, or platinum do you have? Recycling these metals not only keeps them safe for future use, but it also helps the environment. With today's advanced technology, several precious metals can be extracted from e-waste from unused and worn-out electronics.

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