Isla Bennett
Many coin collectors and enthusiasts are interested in cleaning their coins. Some sources suggest that nail polish remover should not be used on coins as it contains colouring and fragrances that could damage the coin. However, pure acetone is often recommended as a safe alternative for cleaning coins, as it will not react with the coin material. It is important to note that while acetone can effectively remove dirt, nail polish, permanent marker, glue, and other organic substances, it may not remove corrosion or carbon spots. Additionally, it is advised to avoid rubbing or wiping the coins, as this can leave hairline scratches.
| Characteristics | Values |
|---|---|
| Effectiveness on brass coins | Nail polish remover is ineffective in removing unknown pink and black coloration on brass coins. |
| Effect on coins | Nail polish remover contains fragrances and other chemicals that might affect the coin. |
| Alternative | Pure acetone can be used to clean coins without causing damage. |
| Application method | Coins should be soaked in acetone rather than rubbed or wiped. |
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What You'll Learn
Pure acetone is safe to use on coins
Pure acetone is generally safe to use on coins, and it can be an effective way to clean them. Acetone is an organic solvent, so it will not damage the coin itself, but it can be used to remove dirt, nail polish, permanent marker, glue, PVC, and other organic residues.
However, it is important to note that pure acetone may react with copper coins, especially if they contain copper oxide. In the presence of light, the copper breaks down the acetone, forming acetic acid, which then reacts with the copper to form copper acetate. Therefore, it is recommended to avoid using acetone on copper coins.
Additionally, while acetone is safe for removing residues from the surface of coins, it will not address issues like corrosion. If a coin is corroded, using acetone may be considered a step beyond simple conservation and may be viewed negatively by some collectors.
When using acetone to clean coins, it is important to follow certain guidelines. Firstly, avoid rubbing or wiping the coin, as this can leave hairline scratches that detract from its appearance. Instead, gently apply the acetone using a rubber ear syringe or by dipping the coin into a container of acetone for a short period. After removing the coin from the acetone, rinse it with water and pat it dry with a paper towel.
In summary, pure acetone is a safe and effective option for cleaning certain types of coins, as long as it is used properly and the potential risks are understood.
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Nail polish remover contains extra chemicals
It is not advisable to use nail polish remover on brass coins as it contains extra chemicals that could damage the coin. Nail polish remover typically contains acetone, which is a safe ingredient to use in moderate quantities when handled with caution. However, some nail polish removers may contain additional chemicals like isopropyl acetone, methyl ethyl ketone, and n-methyl-pyrrolidone, which are known to be toxic and harmful to human health. These chemicals have been linked to respiratory issues, eye irritation, headaches, nausea, and in some cases, reproductive harm and organ toxicity.
To avoid potential damage to your coins and adverse health effects, it is recommended to use 100% pure acetone, which can be purchased from hardware stores. Pure acetone is effective in removing substances from coins, such as dirt, nail polish, permanent marker, glue, and PVC. It is important to note that even with pure acetone, you should avoid rubbing or wiping the coins, as it can cause hairline scratches.
Additionally, nail polish remover should be used sparingly and in a well-ventilated area to mitigate the risk of inhaling toxic chemicals. It is also crucial to wash your hands with soap and water after using nail polish remover to remove any residual chemicals.
Some alternative options for cleaning coins include using white vinegar, which can effectively clean zinc coins, but it should not be used on brass coins. Another option is to use a rubber ear syringe to gently apply the cleaning fluid to the coin, avoiding direct contact and reducing the risk of scratches.
In summary, while nail polish remover may seem like a convenient option for cleaning coins, the presence of extra chemicals can cause damage to the coins and potentially harmful health effects. It is recommended to use pure acetone or alternative methods for cleaning brass coins to ensure the best results and maintain the integrity of your collection.
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Acetone will not remove corrosion
While acetone is a popular choice for cleaning coins, it is important to note that it will not remove corrosion. Acetone is an organic solvent, and it is often used to clean metallic surfaces and prepare them for further treatment, such as coating or corrosion protection. However, it is not effective in removing corrosion or certain types of discolouration.
For example, acetone will not remove carbon spots, rust, white powder on zinc coins, bronze disease, or verdigris. These types of corrosion or discolouration require other methods of treatment. Additionally, acetone may not be effective on certain types of coins, such as brass coins, which may require alternative cleaning solutions.
It is worth noting that pure acetone is recommended over nail polish remover for coin cleaning. This is because nail polish remover often contains additional chemicals, fragrances, and colouring that could affect the coin. However, even with pure acetone, it is important to exercise caution as acetone is flammable and can be reactive with certain metals, especially if exposed for extended periods.
When cleaning coins with acetone, it is recommended to soak the coins in a glass jar or bowl rather than rubbing or wiping them. This helps to avoid hairline scratches that can occur even with gentle wiping. After soaking, the coins should be rinsed and gently patted dry with a paper towel.
In summary, while acetone is a useful solvent for cleaning certain types of dirt and residue from coins, it will not remove corrosion. Alternative methods should be explored for addressing corrosion on coins, especially if the coins are made of brass or other metals that may be less responsive to acetone treatment.
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Brass coins are unchanged by acetone
Acetone is an organic solvent, so it will only affect organic coins, such as those made from glazed cardboard. Brass coins are inorganic, so acetone will not change them. In fact, acetone is often used to clean coins without causing any damage. However, it is important to note that nail polish remover is not the same as pure acetone. Nail polish remover contains additional chemicals, such as fragrances and colouring, that could affect your brass coins. Therefore, if you want to clean your brass coins with acetone, it is recommended to use pure acetone from a hardware store rather than nail polish remover.
When using acetone to clean coins, it is important to follow certain guidelines to avoid any potential damage. Firstly, pour the acetone into a glass jar or bowl. Place the coins into the acetone and try to avoid moving them as much as possible. Once the coins are clean, remove them from the acetone, rinse them with water, and gently pat them dry with a paper towel. It is important to avoid rubbing the coins, as this can leave hairline scratches that look unsightly.
While acetone is effective at removing certain substances from coins, such as dirt, nail polish, permanent marker, chewing gum, glue, PVC slime, and fingerprints, it is important to note its limitations. Acetone will not remove carbon spots, corrosion (such as rust or verdigris), or other non-organic problems on the coin. If your brass coins have an unknown pink, white, or black coloration, these may be types of corrosion that acetone cannot remove.
In summary, brass coins are generally unchanged by acetone. However, to ensure the best results and avoid potential damage, it is recommended to use pure acetone rather than nail polish remover and to follow the proper cleaning techniques, such as avoiding rubbing the coins.
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Acetone is an organic solvent
Acetone is a versatile solvent with a wide range of applications across industries. It is commonly used as a solvent in household products such as nail polish remover and paint thinner. It is also used in the pharmaceutical industry as a solvent and a denaturant in denatured alcohol. In laboratories, acetone is used to remove solid residues from glassware. It is an effective degreaser and is useful for cleaning metal before painting or soldering. Acetone is also used in the production of plastics, paints, and varnishes.
When using acetone to clean coins, it is important to note that it may not remove all types of residue. While it can effectively remove dirt, nail polish, permanent marker, glue, and fresh saliva, it will not remove carbon spots, corrosion, or other non-organic problems on the coin. Additionally, it is important to avoid rubbing the coin with acetone, as this can cause hairline scratches. Instead, gently apply acetone to the coin using a rubber ear syringe or by dipping the coin into a glass jar or bowl filled with acetone.
It is worth noting that pure acetone is recommended over nail polish remover for coin cleaning. This is because nail polish remover often contains additional chemicals, fragrances, and colouring that could affect the coin. Therefore, when cleaning coins, it is advised to use 100% acetone, which can be purchased from hardware stores.
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Frequently asked questions
No, it is not recommended to use fingernail polish remover on coins as it contains fragrances and other chemicals that could damage the coin.
You can use 100% acetone to clean brass coins. It is recommended to pour the acetone into a glass jar or bowl and place the coin inside, ensuring minimal movement. Once cleaned, remove the coin, rinse, and pat dry with a paper towel.
Acetone is an organic solvent that can effectively remove dirt, nail polish, permanent marker, chewing gum, glue, PVC slime, and fingerprints from coins. It is important to note that acetone will not remove carbon spots, corrosion, or other non-organic problems on the coin.
Yes, some people suggest using white vinegar to clean zinc coins. However, vinegar should not be used on brass coins as it can cause damage. It is always recommended to consult a coin expert or a professional before attempting any cleaning methods.
