Is Platinum Magnetic? (No. It Isn’t)

Is-platinum-magnetic

Going out means putting on your best jewelry. You need help deciding whether to wear platinum, gold, or silver jewelry. Platinum is a precious metal with a wide range of uses because it has various beneficial properties. Is platinum magnetic, though? 

In this article, we answer if platinum sticks to a magnet, whether platinum in your ring is magnetic, and if palladium is magnetic. Additionally, you’ll discover more information about platinum, including whether it is a metal, how well it conducts electricity, and its various properties and uses. 

Read: Does Platinum Conduct Electricity?

Does Platinum Stick to a Magnet?

No, pure platinum won’t stick to a magnet. The metal is paramagnetic. Although pure platinum is regarded as a precious metal, it has a weak magnetic element. Platinum will, however, stick to a magnet if it is alloyed with another magnetic metal. Due to its softness, platinum is frequently alloyed with other metals to make it harder.   

Titanium, copper, palladium, iridium, cobalt, and rhodium are alloys that harden platinum. Platinum alloys are not all magnetic, though. Paramagnetism refers to a material’s weak magnetic field attraction. However, the material is not considered magnetic because the attraction is minor. 

Cobalt, a platinum alloy, is regarded as ferromagnetic. Therefore, cobalt will stick to a magnet. As a result, anything made of platinum and cobalt will stick to a magnet. Only materials capable of producing a magnetic dipole will attract a magnet.  

Is Platinum Magnetic in a Ring?

The platinum in your ring is not magnetic. However, if you’ve noticed your platinum ring sticking to a magnet, then the ring is not made from pure platinum. Pure platinum is too soft to make rings as the only material, so another element is added. The ring’s other element (cobalt, silver, iron, or nickel) may be magnetic, forcing the ring to stick to a magnet. 

So, here are a few things to watch out for if you want to ensure the ring you’re buying is made of pure platinum: 

1. Check out the color

Compared to silver, white gold, or palladium, platinum is typically whiter. You can compare the ring to one of the three materials. Pick the three rings and compare the color. The ring is pure platinum if it is whiter and brighter than the other three. 

READ:  Does Diamond Conduct Electricity? (And Heat?)

2. The acid scratch test

The acid scratch test requires a scratch stone and a platinum-testing acid. Ensure that you’re using safety equipment, such as gloves and goggles. Please be cautious, as the ring will sustain some damage due to the force needed to scratch it. 

Scratch the ring and apply a platinum-testing acid solution to any remaining metals on the stone. The ring is platinum if the metals on the scratch stone still appear shiny and sparkling. The ring isn’t platinum if the metals dissolve, though.

3. The hallmark sign

There is a logo, trademark, or signature in the ring’s band. They provide information about the purity of the ring. A platinum ring will be inscribed with a number, the initials “PT,” “PLAT,” or perhaps the word “platinum.” 

The number on the ring indicates the purity level of platinum expressed as parts per thousand. The ring is 95% platinum if you can read the letters or name and no numbers. 

Even if the ring is pure platinum, there may not be a hallmark if: it is older than 1975, it is from another country(some countries don’t indicate their metals purity level), and the ring’s purity is lower than 50%. 

4. The magnet rest

Due to the prevalence of con artists who attempt to pass off iron rings as platinum ones, you can use a magnet to differentiate. The ring is not platinum but is made of iron if it sticks to the magnet. Platinum does not stick to a magnet. 

5. The density test

Due to its high density, platinum is heavier than other metals. The ring can be compared with ones made of gold, silver, or other metals. However, all the pieces must be identical in type, size, and decoration to make the correct comparison. 

If the ring weighs more when all other things remain the same, it is composed of pure platinum.  

Is Palladium Magnetic?

Palladium lacks a magnetic field. Palladium and platinum share a similar chemical makeup. It is diamagnetic since all its electrons are coupled, and none are free. Palladium is one example of a diamagnetic element that does not attract magnets and magnetic fields. Without an external magnetic field, diamagnetic components have no net magnetic moment.  

READ:  Is Zinc Magnetic? (No. It's Not)

An element’s ability to align with a magnetic field is measured by a magnetic moment (also known as a magnetic dipole moment). Palladium becomes ferromagnetic when combined with other magnetic alloys. The magnetic moments of every atom in ferromagnetic elements are parallel. 

Some differences between platinum and palladium: 

Additional palladium magnetic properties are as follows: 

  • The primary factors affecting palladium’s magnetic field are its alloys and the metals it mixes with.
  • The degree of magnetization present in a material when an external magnetic field is applied is measured as 567.410-6cm3/mol for palladium. 
  • Palladium has an internal magnetic field when subjected to an external magnetic field thanks to its high magnetic permeability of 1.000692. 

Palladium is a lightweight metal that has long been used in making jewelry. Even when producing white gold, it has been used as a platinum alternative. 

Is Platinum a Metal?

Platinum is a precious metal with a bright, silvery-white color.  Its name comes from the Spanish word “platina,” meaning little silver. Platinum is a transition metal in group 10 on the periodic table. Its atomic number is 78. These metals are also referred to as”the platinum group metals.” Palladium, ruthenium, iridium, osmium, and rhodium are some of them. 

The top three producers of platinum are South Africa, Zimbabwe, and Russia. It naturally exists as a pure metal and in alloys with other platinum group metals.  Platinum is mined from the mineral cooperite (platinum sulfide). However, platinum can also be created as a byproduct of the processing of copper and nickel. 

In contrast to gold and silver, platinum metals need complex aqueous chemical processing. Its extraction is a labor- and financially-intensive process. 

Is Platinum a Good Conductor of Electricity?

Platinum is a good electrical conductor. Due to the absence of a filled electron orbital, some free electrons exist. When given energy, these unbound electrons transfer electric charge over platinum. Due to the high electric flux going through the unit cross-sectional area, the direct current flow over platinum is good. 

Platinum’s electrical resistivity at 105 ×10-9 Ώ.m is low. The degree to which a substance resists the flow of electric current is known as its electrical resistivity. However, the relationship between temperature and the electrical resistivity of platinum is inverse. Platinum’s electrical resistance reduces when the temperature rises and vice versa. 

Read: Is Palladium Magnetic? (Answered)

Properties and Uses of Platinum

Among its other valuable properties, platinum is one of the densest elements. Platinum has various applications in various industries due to these properties. 

READ:  Does Potassium Conduct Electricity? (Answered)

Properties of Platinum

Platinum is rarer than gold and silver and possesses the following unique properties: 

  1. Due to its resistance to corrosion and tarnishing, platinum is referred to as a “noble metal.” 
  2. It is ductile, which makes it flexible and easy to stretch. 
  3. Although non-reactive, it dissolves in hot aqua regia, molten alkalis, and strong sulfuric and phosphoric acids.   
  4. Reaches a boiling point of 6872°F (3800°C) and a melting point of 3221.6°F (1772°C).
  5. Never oxidizes in air, regardless of temperature.
  6. Platinum is malleable (can be shaped without breaking) and shiny. 

Uses of Platinum

Jewelry making is the primary application for platinum, with 40% demand. However, the following industries do make use of it. 

  • Chemical industry: It is a catalyst that increases the effectiveness of fuel cells by creating benzene, silicone, and nitric acid. It also catalyzes some chemical processes, such as transforming ammonia into nitric acid for explosives and fertilizers. 

Catalysts hasten chemical reactions without undergoing any chemical change. 

  • Medical industry: Producing chemotherapeutic medicines for cancer treatment. Additionally used to create aural and retinal implants, dental fillings, neurosurgical equipment, and pacemaker electrodes.
  • Automotive industry: Catalytic converters for cars, buses, and trucks. These converters help convert emissions from the vehicle’s engine into less harmful waste products. Platinum makes switch contacts for automotive controls. 
  • Electronics industry: In place of gold in electrical connections, platinum is used to create optical fibers, high-temperature thermocouples, spark plugs, computer hard drives, and optically pure (flat) glass for monitors, LCDs, and TVs. 
  • Jewelry: Used in watches by some watchmakers. An alloy of white gold. Everyday jewelry includes rings, earrings, bracelets, necklaces, and chains.

Conclusion

You don’t need to be concerned about your platinum ring becoming magnetized. Magnets won’t stick to platinum. On the other hand, if your platinum ring attracts a magnet, the ring likely contains some platinum alloys. Paramagnetic elements make up the majority of the platinum group. 

One of the elements in the group, palladium, is not attracted to magnets. A metal and effective conductor of electricity is platinum. It also has properties such as malleable, ductile, glossy, non-reactive, and resistant to oxidation.  Due to its properties, platinum is perfect for producing jewelry and other uses in the chemical, automotive, electrical, and medical industries. 

Similar Posts