How to properly clean Soviet coins

Microfiber cloth and avoidance of harsh chemicals: 5 tips on how to properly clean your computer

The computer has recently become a necessary tool for work and pastime. But some people underestimate the level of germs that appear as a result of using equipment. There is so much dirt that collects on the screen, and even more so on the keyboard, that it can be hazardous to health. This is why it is necessary to clean your computer periodically. Here are life hacks that will help you with this.

Use microfiber to clean the screen

In order to clean the surface of the screen without damaging it, you will need a special microfiber cloth (these are now sold in stores, their purpose is indicated on the label).

This way you can not only remove a layer of dust and dirt without scratching the surface, but also without leaving streaks and lint from the fabric. For example, if you use any other fabric, these “effects” will be guaranteed.

There are also special wipes that are designed specifically for cleaning the monitor.

Don't use chemicals

Under no circumstances should you use chemicals to clean the monitor, especially if we are talking about aggressive abrasives. Not only can you scratch the screen, but you also risk complicating the situation with a more global breakdown. Therefore, take plain water and wipe the monitor with a wet microfiber cloth. If the screen has not been wiped for a long time and is very dirty, you can make a solution of water and vinegar, where both liquids will be present in equal parts.

Get rid of scratches with toothpaste

You've probably heard that you can polish multiple surfaces with toothpaste. It turns out that the computer monitor is no exception. Apply a small amount of toothpaste to the scratch and leave it on for a few minutes. Then carefully remove the paste using a damp microfiber cloth. Lightly wash the area to ensure there is no residue. There will be no trace left of the scratch.

Use a hair dryer or vacuum cleaner

The keyboard needs special cleaning as it accumulates a lot of dirt and dust. To do this, you can use an ordinary hairdryer, fan or vacuum cleaner. A hairdryer and a fan will help use air flow to “blow up” dust that cannot be reached with a rag. A vacuum cleaner (make sure that the attachment is as neat as possible and that the vacuum cleaner is not too powerful, as this can cause damage) will collect all the dust and “free” the keyboard from debris.

Clean the keyboard with a knife or card

You've probably noticed how difficult it can be to get dirt between the keyboard keys, as well as in all the recesses. In order to get to those hard-to-reach places that cannot be cleaned with a simple rag, you need to use a knife or a plastic card.

Use the sharp tip of a knife or card to go through all the indentations. Do this especially carefully, without missing a single section. Then you can take a vacuum cleaner and carefully collect all the dirt from the surface.

And after that, it would be a good idea to go over the entire keyboard with a damp microfiber cloth.

Conclusion

If you want your equipment to not break down for a long time, you need to carefully care for it. Do not forget that such measures will be useful not only for the computer, but also for yourself. The amount of germs that settle as dirt on surfaces can lead to serious illnesses.

Therefore, do preventive maintenance and carry out “major cleaning” as often as possible. This way, you don't have to make multiple efforts to keep your computer sparkling clean at all times. A smart solution would also be to use cleaning services in specialized workshops.

There you will be able to wash not only the outside, but also clean the internal parts.

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Source: https://fb.ru/post/hardware/2020/1/20/178239

How to clean an old coin at home, as well as an old one found in the ground from the times of the USSR

Today we will talk about how to clean old coins. Every year they gain even more value, but the price greatly depends on the condition. Therefore, an item preserved in proper condition receives additional value.

When antique coins are kept in unfavorable conditions, dirt, oxides and deposits of different colors develop. You can use special solutions that are sold in jewelry stores, but not everyone can afford it.

Therefore, let's look at how to clean an ancient coin using available methods.

General information about cleaning coins

It is important to understand that not all specimens require serious cleaning; sometimes the procedure can even be harmful. It would also be good to learn to distinguish patina from oxide and plaque, since it gives the metal nobility and protects it from external factors. Every collector knows that a layer of patina is more important than a brilliant shine.

If this is your first time trying to clean old coins at home, it's best to start with the least valuable coins. If they fail, they will not be so sorry. On them, try the method that interests you. When it comes time to work at elevated temperatures, try to ensure that the transition from room temperature to high is smooth. A sudden change can damage the metal.

When you have to use a brush, it is better to use a soft one, such as a toothbrush. Do not use items with metal bristles or sandpaper.

It is important to dry properly, especially antique coins. To do this, you need to place them on a soft cloth and carefully apply it on top several times. It happens that drops of water leave their mark on antiques.

See also video: 3 ways to clean old coins at home

Starting the cleaning process

We choose a cleaning method depending on what type of dirt we are dealing with. There are chemical and mechanical, in the second option we are talking about dirt, dust, earth and other contaminants that are cleaned mechanically without the use of special means. The first method involves a certain chemical reaction that will help wash the coin from oxide, green plaque or any other.

If you have not previously worked with the methods below, carefully follow the instructions and do not overdo it so as not to damage the product. Moreover, you should not change the recipe or come up with your own.

Cleaning from contaminants

At this stage we are talking about mechanical cleaning. Depending on what kind of metal we are dealing with and how dirty it is, we choose the cleaning method:

• A soap solution can handle minor stains; use it to remove dirt using a brush or an old toothbrush.
• In difficult cases, we act depending on the composition of the coin. You can use the methods given in the paragraphs below.
• If the pattern on the surface is not visible, put it in a soap solution for 10-15 minutes. You can use laundry soap. After this, using a toothbrush, carefully wash the coin directly in the water. Then we dry it.

How to clean a coin found in the ground

Often, when searching for old coins, they are found in the ground; such finds often resemble those from the USSR. Sometimes they lie there for years and the dirt has become so ingrained that it has become almost integral to the product. Cleaning such coins at home will be done by boiling.

You need to make a soda solution, one tablespoon of soda per glass. It is better to place the contaminated item in a sieve or something similar so that it does not lie at the bottom of the pan. Bring the water to a boil and leave to simmer for half an hour. Now turn off the heat source and let the water cool slightly. We take out the product and carefully clean it using a toothbrush or other soft brush. We carry out the procedure as many times as possible until the coin restores its normal appearance.

Cleaning with baking soda

In this case, we will clean coins from oxidation using ordinary soda, which will be used as an alkali. That is, the main task is not mechanical cleaning, but chemical cleaning. We make a regular soda solution and immerse the products there. The concentration of the solution depends on the complexity of the case; as a rule, add 1-2 tablespoons of soda to a glass of water. After a few hours, pull it out; if there is still plaque, remove it with a soft cloth and dry it.

You can make a kind of paste from soda and water. We put coins there for a certain time and periodically watch it so that the soda does not start to dry out right on the surface. After the procedure, remove and use a soft brush to clean all residues from plaque and oxide while simultaneously rinsing in water.

You can make your own cleaning products. To do this, we make a mixture of ammonia, soda and toothpaste. By closing it all in a jar it can be stored for a long time. Cleaning with its help is very simple, apply the mixture and wash with a toothbrush.

Cleaning a coin with soap

The basic method for cleaning an old coin involves using a soapy solution. We rub the soap shavings on a grater and soak them in boiling water so that a mixture somewhat reminiscent of jelly is formed. Place a coin there, cover and leave for 1-2 days. In difficult cases, add soda, 2-5% of the total mass of the solution. When time has passed, remove it. Rinse under running water and dry. Soak in alcohol and leave until completely dry.

Boiling down coins

Vaseline or vegetable oil is heated and a coin is immersed in a strainer for 10 minutes. Wash with running water and soap. Pour clean water into a vessel, immerse our coin in it, heat it to a boil and leave to cool. After the procedure, wipe the product dry.

Jewelry Cleaners

The best option for cleaning an old coin at home is a jewelry cleaner. It can be purchased at jewelry stores and workshops. This could be a napkin or solution. In the first case, you need to wipe the surface of the product. In the second, immerse the coin there for 5 minutes.

It is better to entrust valuable coins to professionals. It would be a shame to ruin an antique due to your own incompetence. The workshop will not only clean it, but also polish it and may apply an additional layer of protection.

Cleaning depending on alloy

The most common coins are:

• Golden,
• Silver,
• Bronze,
• Copper.

Depending on the metal, the cleaning method is determined. More details about each can be found in the relevant articles on our website.

Pure gold

Coins made of gold are surprisingly easy to clean. To do this, you can use one of the methods below:

• Make soapy water in a glass and add 10 drops of ammonia. Place the product there for 10-15 minutes. Wipe dry.
• To restore the shine to gold, onion juice is a cheap and effective remedy. Using a soft cloth, rub the surface of the metal with it and leave for several hours. Rinse under running water and wipe dry.
• In stores you can buy a special paste for laundering gold.

Laundering silver

Silver coins are durable, so they are much more difficult to damage. It is not recommended to use baking soda with this metal. At first it will cope with its task, but over time micro-scratches may form. So how to clean silver?

• The easiest way is with toothpaste (or powder) and a brush. Apply the product to the surface and scrub until it returns to its normal appearance.
• Make a solution of citric acid in a ratio of 1:3. We put our coin collection there and leave it for 10 minutes. Take it out and clean it with a toothbrush.
• Sometimes, to restore shine, simply immersing it in ammonia for 2 minutes is enough.

Cleaning bronze

If there is no damage, oxide or any deposits on the surface, then it is treated mechanically using a soap solution. In other cases, we resort to one of the methods below.

• As in the case of silver, we make a solution of citric acid, but this time you will need a 1:2 ratio. Place the product there for 10 minutes, rinse and wipe dry. The color may change slightly, but after a few days everything will return to normal.
• An excellent method for cleaning antique gold coins is to use vegetable oil. With its help you can not only restore the appearance, but also add an additional protective layer. To do this, you need to bring the oil to a boil and gently lower the coin there for 5 minutes. Remove and immerse in ethyl alcohol for the same amount of time. Rinse and dry.

Processing copper coins

On copper coins, not only oxide is possible, but also yellow, white, red and green patina.

• If the coin is covered with a red layer, a solution of ammonium carbonate or 5% ammonia will help. Immerse the item in the solution for 5-10 minutes, wipe well and dry.
• The above-mentioned citric acid in a ratio of 1:10 will help with green.
• Regular table vinegar will help remove yellow stains. Dip a coin into it for 5-10 minutes, wipe and wipe dry.
• The easiest way to wash off the white coating is to simply take distilled water and immerse dirty copper coins in it for several days. Remove and wipe with a soft cloth.
• In particularly problematic cases, use Trilon-B.

Another way to clean copper coins in the video:

Source: https://comp-plus.ru/uborka/kak-ochistit-starye-monety-ne-vyhodya-iz-doma

Cleaning Soviet aluminum bronze coins

As with the winter test of the Tornado coil, I will not be original in the method of cleaning Soviet aluminum bronze coins. I saw this method once in a video clip on a popular video hosting site. I immediately liked the method for its simplicity and effectiveness, so if possible, I decided to repeat it and share the result with my reader.  

One day, wandering between the shelves in a supermarket, the object that was used to clean yellow coins in the video caught my eye. This is a shoe brush. But it is not simple - its inner part of the bristles is made of brass. These bristles are the main element that helps us get rid of plaque on the yellow field of the coin.

shoe brush from the nearest supermarket (clickable)

Let me remind you: Soviet kopecks made of aluminum bronze in denominations 1, 2, 3, 5 were issued from 1926 to 1957. As we can see: the period is quite long, so such coins are often found in the mine. I like the yellow color of these coins, so they are my favorite.  

So, the author of the video advised that before cleaning the pennies with a shoe brush, wet them. I’ll say right away that this is so that the dirt softens a little and makes it easier to clean off. But, since I am impatient, I, as a rule, do not soak, but immediately clean the coins, adding a little soap.  

This time I will have a pair of 2 kopecks as a prototype. 1955 and 56 years of release.

coins before cleaning (by clicking on the picture, we will see the obverse)

These coins were found using a metal detector already this year, so they’re fresh. 

Cleaning two copies took about five minutes. The result is in the photo below:

coins after cleaning (by clicking on the picture, we will see the obverse)

Personally, I'm pleased with the result. Pennies cleaned in this way look beautiful, even more natural than after polishing. Since brass is softer than a bronze alloy, there are no scratches on the field of the coin. The author of the video even provided pictures from under a microscope - there are no scratches.

What about other coins?

But I wondered what coins made from other metals and alloys would look like after cleaning this way. For the experiment, I took 50 kopecks from 1992 (should be made of brass), 50 kopecks “50 years of Soviet power” (copper-nickel alloy) and 5 kopecks from 1869 (should be made of copper). This is how they were before cleaning:

coins before cleaning (by clicking on the picture, we will see the obverse)

Modern and Soviet kopeks were dug this year, and from copper last year.

I worked with a brush along the field of coins a little longer than the first time and the result is in the photo below:

coins after cleaning (by clicking on the picture, we will see the obverse)

As we can see: I was never able to clean the 1992 penny to a shine - I didn’t have enough strength; 50 kopecks of advice - “neither fish nor fowl”; and a 19th-century coin that had apparently been barbecued several times had only lost dust.

So: the method of cleaning with a shoe brush only works well for pennies made of aluminum bronze.

Previous post

Kop in winter 2015

Source: http://vremenami.com/chistka-naxodok/chistka-sovetskix-monet-iz-alyuminievoj-bronzy.html

How to properly clean gold with stones without damaging the jewelry

Due to the presence of additional components in the alloy, gold changes color over time (mostly turns black). You can restore the original shine of the metal using both home and specialized products. However, the presence of precious (or semi-precious) stones complicates the process.

Jewelry with such inclusions, in particular, should not be boiled. Therefore, in order to clean gold with stones, it is necessary to take into account several factors: features of fasteners, type of “insert” and others.

To clean gold earrings with stones or other similar jewelry, you should consider the following recommendations:

• dirt mainly accumulates in places where stones are attached;
• needles and other sharp objects are prohibited from being used when cleaning gold and stones;
• if the stones are attached with glue, the jewelry should not be soaked in water;
• When using a mechanical cleaning method, do not press too hard on the metal.

When choosing how to clean gold at home, it is also recommended to consider the type of stone (hard or soft). This information can be clarified when purchasing jewelry.

How to clean gold with stones.

What to consider when cleaning gold with hard stones

Hard stones tolerate chemical and mechanical stress well. In addition, before the first cleaning procedure, it is recommended, as mentioned above, to pay attention to the type of attachment of the stone to the gold.

What to consider when cleaning gold with soft stones

Gold rings, earrings and bracelets with soft stones require careful handling. Therefore, when choosing a cleaning method, you need to consider the following:

1. A soap solution without adding water helps to clean pearls.
2. For malachite, it is recommended to purchase specialized napkins with impregnation suitable for this stone.
3. It is allowed to treat the coil with a soap solution. After the procedure, the material must be wiped with a soft cloth.
4. To clean turquoise, only specialized products are allowed to be used. The stone darkens with prolonged contact with water.
5. Amber can be cleaned using felt or cotton swabs.
6. Coral and opal are washed with a damp cloth.

Amber Turquoise Pearl Coral Malachite Serpentine

Cleaning gold jewelry with soft stones using acids or ammonia is prohibited.

Preparing jewelry for cleaning

To clean gold jewelry with stones, you will need:

• take a deep container (made of plastic or glass) that does not oxidize;
• completely immerse the jewelry in the cleaning solution;
• rinse under running water, dry and wipe with a soft cloth at the end of the procedure.

No special preparation of the jewelry is required for processing. But if the dirt is old (and the stone “allows” this), then the product must be placed in a soap solution for an hour.

How to clean gold with stones using home methods

Difficulties in cleaning gold jewelry with stones arise not only due to the presence of such “impregnations”, but also due to the design features of the product. To remove blackness from earrings, you will first need to process the clasps, and then the “inserts”. Long soaking helps get rid of plaque from the chain. This step cannot be avoided, since this product consists of many links in which dirt accumulates.

Similar recommendations can be applied when cleaning a ring with a stone. When processing this decoration you will need a thin cotton swab.

An easy way to remove dirt from hard-to-reach places

The following recipe helps to clean a gold chain decorated with precious stones:

1. Foil is placed in the container, with a chain on top.
2. A glass of water is poured into a container, heated and mixed with a tablespoon of soda.
3. The gold is boiled in this mixture for several minutes and then rubbed with a brush.

Soda solution should not be used to clean jewelry with many hard-to-reach places.

At the end of the procedure, it is necessary to rinse the chain under running water for a minute. If this is not done, the soda will leave behind a whitish residue.

A simple way to remove blackness

To get rid of blackness and make the jewelry shine, you will need:

1. Mix 0.5 tsp. ammonia, 1 tsp. shampoo and 250 ml of water.
2. Place the product in the solution and let it sit until the dirt comes off.
3. Rinse any remaining dirt under running water and wipe with a soft cloth.

Ammonia solution copes well with contaminants accumulated in hard-to-reach places. This product is suitable for restoring earrings and rings.

If traces of dirt remain after the procedure, then the gold must be soaked in a mixture of ammonia and shampoo without adding water.

An effective method for removing common stains

For regular cleaning of gold jewelry with stones, the following method is suitable:

1. In a glass of warm water you need to dilute 30 ml of a 3% solution of hydrogen peroxide, 1 tsp. ammonia and a few drops of liquid soap.
2. Place gold in a container with the mixture and leave for 3–5 hours.
3. Rinse the jewelry under running water.

This recipe is not suitable for products that contain soft stones.

Another effective cleaning method is hydrogen peroxide.

If the dirt is small (appeared recently), then the jewelry can be wiped with a rag soaked in the given product.

Method for regularly cleaning chains and bracelets

To clean gold chains and bracelets from traces of grease that appear during regular contact with the skin, you need to moisten a soft cloth in gasoline and wipe the contaminated areas. This procedure can be carried out every week.

Before cleaning jewelry with gasoline, it is necessary to remove all sources of open flame, and after cleaning, rinse the item under running water for several minutes.

This product leaves an unpleasant odor, which a mixture of starch and ammonia helps remove.

Cleaning with special products

Specialized cleaners are also selected taking into account the stone inserted into the gold frame. Let's look at the most effective ones:

• Adamas. Helps clean any black spots. This product, which costs 250 rubles, is not recommended for use on pearls and a number of other natural stones. The box with the cleaning solution contains a plastic mesh in which you need to place the jewelry along with the solution. Next, the product must be kept for 30 seconds and rinsed.
• Aladdin. In terms of effectiveness, Aladdin is comparable to Adamas. However, the first remedy costs about 65 rubles. The method of using this solution is the same as Adamas.
• HG Gold. This product is suitable for cleaning any gemstones. To remove dirt, simply place the jewelry in the composition for 3-5 minutes and then remove it with tweezers. If there are black marks left on the surface of the gold, the metal must be cleaned with the included brush. This product costs more than 550 rubles.

HG Gold Adamas Aladdin

How to clean stones

You can clean precious stones using both the methods described above and the solutions given below.

Gemstone Cleaning

A solution of 1 tsp helps to clean precious stones set in gold. sea ​​salt and warm water. You need to soak the jewelry in this product for 12 hours. If regular salt is used, then the jewelry must be left for a longer period.

Over time, bright traces of fat appear on pearls, which can be cleaned with potato starch. To remove dirt from stones from hard-to-reach places, it is recommended to use a cotton swab dipped in a soap solution. In other cases, it is recommended to clean the jewelry using specialized products or the services of jewelers.

Cleaning semi-precious stones

You can clean semi-precious stones using the methods described earlier. To remove dirt from opal, aquamarine and topaz, use a mixture of washing powder and water. The first can be replaced with 50 percent bleach. If after the procedure there are traces of dirt on the product, then the jewelry should be placed in a soap solution and wiped with a toothbrush.

To restore the original shine to a semi-precious stone, you should use gin. This drink does not remove stains

Additional recommendations

When processing jewelry, you should not place gold and silver in the same container. Additionally, as stated earlier, you need to consider the type of stone when choosing the right cleaner.

What not to use for cleaning

It is necessary to clean gold with stones at home, taking into account the following features:

• To clean pomegranate, it is recommended to use aqueous solutions.
• You can clean an emerald using an alcohol or water solution.
• Sapphire tolerates cleaning well using a soft brush, gasoline or alcohol-containing solutions.
• Diamond does not tolerate contact with ammonia, dishwashing detergent and hydrogen peroxide.
• Peridot can be cleaned with alcohol, in which a soft cloth should be moistened.
• Zircon tolerates almost all purification methods used for gold.
• Rubies can be cleaned with alcohol-based compounds using a soft cloth or brush.

The use of abrasives should also be avoided. If washing powder is used for cleaning, the latter must be completely dissolved before starting the procedure.

Shine products

To return the original color to a shiny gold product, use:

1. Hyposulfite. 1 tbsp. l. This substance should be diluted in a glass of water and the jewelry should be placed in the resulting mixture for 15 minutes.
2. Lipstick. Used to remove blackness.
3. Vinegar or onion. These products need to be used to wipe the gold.
4. A mixture of grated soap, crushed chalk, water and Vaseline, taken in equal proportions.

A good effect is achieved by combining GOI paste and a mixture of 1 tsp, 1 tbsp. l. liquid soap and a glass of hot water. The first is to rub the gold with the stone, and the second is to rinse. By carrying out this procedure, you can not only remove dirt, but also immediately restore its former shine.

How to save the result

Jewelry will retain its original appearance if:

• gold is stored separately from other metals in a dry and dark place;
• items with precious stones are stored in wooden boxes;
• decorations are periodically wiped with flannel rags;
• jewelry does not come into contact with salt water and household chemicals.

You can clean gold with precious stones using folk recipes. But specialized mixtures give better results.

Gold cleaning Jewelry cleaning

Source: https://you.cleaning/chistka/kak-pochistit-zoloto-s-kamnyami

Cleaning USSR coins at home - I am a collector

If a numismatist is serious about his hobby, then he probably knows how important it is to clean coins at home. The money found may be very dirty or have traces of organic contamination. However, after proper cleaning, metal products regain their excellent appearance and shine.

How to clean copies?

In order to effectively remove dirt from the surface of coins, as well as remove oxides, it is recommended to use specialized solutions. However, these liquids cost a lot of money and not everyone can afford them. There are alternative cleaning options:

1. Lemon acid.
2. Lemonade (Coca-Cola).
3. Soap.
4. Electrolysis.

Ways to clean coins

The acid is poured into an empty container and diluted with warm water and citric acid. After this, you need to put the coin at the bottom of the container for a while. The cleaning process must always be controlled so as not to damage the metal product. It's worth flipping the coin over from time to time. At the end of cleaning, a patina is applied to the specimen.

You can also use regular soap to clean your collection. Just before that, you should grate it and dilute it with water. The result should be a homogeneous mass. The coins are dipped in soap and left for several hours, periodically removing and washing off the dirt. This method is less expensive, but very long - two weeks of repetition.

Cleaning USSR coins at home may seem like an easy job if you do it with Coca-Cola. You just need to pour lemonade into an empty glass jar and put a copy there. As a rule, the coin is not touched for several weeks. The reaction can be increased by using a heat source.

Nowadays you can find a large number of ways to clean exhibits on the Internet. But actions must still be carried out with caution so as not to damage the surface of cultural property. Only in this case can cleaning USSR coins at home be done without problems and quickly. If cleaning is being done for the first time, then you should contact a professional for recommendations.

Source: https://yacollectioner.ru/chistka-monet-sssr-v-domashnih-usloviyah/