Marquise

Identifying real gold with the skin of the body

In this method of detecting gold from fake, which can be said to be one of the easiest ways to quickly detect gold, just put the gold in contact with your skin and look for a bluish or green color on your skin.

It is very easy to recognize real gold by skin: you can hold a piece of gold jewelry between your hands for a few minutes. The sweat on your hands will either react with the gold metal and change the color of your skin or leave it unchanged.

In fact, in this gold diagnosis method, we should know that when gold is in direct contact with your skin, color change does not occur. If the gold is fake, it will cause your skin to turn black, blue or green at the contact points.

There is an exception to this gold detection method, and that happens when you test gold on your skin while using liquid cream powder. Keep in mind that when gold gets into makeup, it will darken your skin at the contact points. To quickly detect gold, it is better to remove all cosmetics before the gold test.

If we buy gold online, how can we ensure its authenticity?

These days, apart from the traditional gold shops in the markets, you can also buy gold and jewelry online. But the question is, how and with what confidence can we buy gold from online gold shops?

it's simple. There are ways that you can be aware of the authenticity of gold or the safety of buying from online gold shops. For example, suppose you want to buy a gold bracelet and you go to buy it on an internet site. To make sure that the gold is genuine and your purchase is legal and without fraud, pay attention to the following points:

• The site where you buy gold must have official permits to buy and sell gold from the Gold Dealers Union.
• The site must have an electronic trust mark.
• All contact numbers and addresses of gold shops must be listed on the site.
• Each of the products in the store must have a birth certificate and a warranty.
• There is a possibility of returning the product and your payment if the product is fake.

How to test the authenticity of gold with a lighter?

Detecting gold by burning is one of the very simple ways to detect gold from change at home. The detection of gold by burning is in such a way that you first set fire to the gold and try to burn your gold. If your gold is real, it will brighten with the flame, but it won't actually catch fire or burn. If your gold piece starts to smoke or darken, you probably have fake gold and you've easily tested the gold standard at home.

It is interesting to know that real gold does not burn and darken under heat and simply melts; That is why it can be molded and made into different shapes without losing its luster and beautiful golden yellow color.

On the other hand, other metals such as copper, iron and brass change color and become darker when exposed to flame. If your item is only gold plated, the gold plating will melt and you will see a darker metal underneath.

Determining the grade of gold with a touchstone

To determine the purity percentage of Talajat, first we draw the metal suspected to be gold (20 times) on the touchstone and then we draw some refined Soltani water on it.

Identifying real gold with water

The easiest and cheapest way to distinguish gold from other metals is to use water. In this method of identifying gold, you can throw your jewelry in water, if the gold remains on the bottom of the container and does not float, you can be sure that your gold is genuine.

Real gold detection with Vitex

Another way to distinguish gold from rhinestones is to use Vitex. Of course, before explaining this method, it should be mentioned that detecting gold with Vitex causes corrosion in gold. Therefore, it is not recommended to use this method. To do this method, it is enough to pour a very small amount of Vitex on the gold. If you notice the color of the metal changing to red, green or brown, your gold is genuine; But if the desired metal turns black, it indicates that it is fake.

Detection of real gold with iodine

You can check the authenticity of gold with iodine. Apply a little iodine on the surface of the gold, if the trace remains, the gold is fake. But if it is lost, your jewelry is original. If you put a drop of iodine on platinum and it leaves a dark mark, the darker the platinum, the purer it is..

Identifying real gold with ice

Gold and silver are very strong conductors of heat compared to other metals. If you put your gold and silver on a piece of ice, the melting speed of the ice will increase so that you think you have placed a hot object on it, so you can use this method to identify the original gold and silver.

Identification of real gold by weighing

If you have recently bought a gold bar, but you are worried that you have bought fake gold instead of real gold, you can weigh it to find out. First, put the ingot on an accurate scale and measure its weight. Then fill a container with water, place it on the scale and set the weight indicator to zero. Immerse the ingot completely in the water and weigh it again. To find out, just divide the first number by the second number. If the obtained figure is 32.19, you have bought pure gold.

Detection of real gold with nitric acid

A definitive method for detecting gold is the use of nitric acid. Place your jewelry in a stainless steel container. Pour a drop of nitric acid on it, if they do not react with each other, your gold is genuine. But if the color of the drop of nitric acid turns green or brown due to the reaction, your gold is fake. Note that nitric acid damages your jewelry. In addition, because nitric acid is dangerous, it is better to leave this to an experienced goldsmith.

Detection of real gold with alcohol

Alcohol is one way to distinguish real gold from fake. Gold detection with alcohol is another widely used home method to check the authenticity of purchased gold. Most metals change color in the presence of alcohol; For this reason, when buying replacement jewelry, the buyer is asked to keep these jewelry away from alcohol and water in order to prevent the color change and deterioration of the appearance of these rhinestones. For this reason, you can use the method of detecting gold with alcohol to find out whether your metal piece is genuine or fake.

In the gold test with alcohol, you can dip part or all of your metal piece in alcohol. Since alcohol vaporizes in the presence of air, you only need to spray a small amount of alcohol on the metal piece and you do not need to immerse the metal in alcohol. If you plan to immerse the piece in alcohol to be sure, you should use a closed container.

If you use immersion method and only 5 minutes is enough to detect gold with alcohol. If after 5 minutes your metal does not change color and does not turn black, it is original; But in the spraying method, you should spray some alcohol to the metal piece at least two to three times at different time intervals. After a day, if no color change is observed, you can be sure that the gold is original.

To distinguish the gold from the fake, check its color

You can find out whether the gold is genuine or fake by controlling the color. In this way of detecting gold, you should check the color of gold after some time. If you notice that its color is dull and its original color is lost, be sure that your gold is fake. This method is one of the best ways to detect gold at home. Because the original gold has not changed its color in any way and its color will not be lost under any circumstances. If after some time you notice that your gold has lost color and its original color is lost, doubt its authenticity. In this case, you can use ways to identify gold to make sure it is genuine or fake.

Draw gold on the ceramic surface

Many metals have an appearance similar to gold. This issue has provided the basis for the fraud of profiteers. For example, in many cases, brass metal is substituted for gold and sold to uninformed buyers. In order to distinguish gold from brass, you can draw it on the ceramic surface. Since gold has a softer texture than brass, it will leave a mark on the desired surface. In this way, you can be sure that the gold you have purchased is original or not.

Identifying real gold through magnetism

Sometimes, by coating gold on another metal, they sell it to the customer as gold at a lower price. To distinguish real gold from fake, try its magnetism. Magnets do not stick to gold, so if a magnet sticks to the jewelry you bought, you have been deceived by the seller.

To distinguish gold from rhinestones, bite it

Another way to distinguish gold from rhinestones is to bite it. You must have seen many first place sports champions bite their gold medals. This biting is not only for posing for photography, but it is a way of knowing gold and has a scientific origin. When you bite into gold, your teeth will leave a mark on it due to its unique structural features. Of course, you have to increase your level of accuracy a little to see the marks of your teeth. You can use this method to know gold at a low cost and instantly.

Ammonia is used in the detection of gold

You can use ammonia to distinguish white gold from silver. Ammonia is a substance that reacts with all metals except platinum. In this method, which is one of the ways to detect gold, the color change of metals should be checked. If your gold is original white gold, it will not change color when in contact with ammonia; But other metals become dark in reaction with this substance.

One of the ways to distinguish gold from gold is to check the numbers and codes engraved on it. These codes are engraved on gold in order to provide complete information about the product to buyers and sellers. If you check the gold and notice that one of the codes 375, 500, 999, 958, 916, 750, 585 and 583 is engraved on it, you can be sure that the product you are holding is a gold artifact. One of these codes is engraved on all ornamental gold. Only in some old gold, these codes cannot be seen. In this case, the gold rate detection device is used to detect the gold rate. If the engraved codes are something other than the codes mentioned above, the gold seller has delivered a fake product to you.

Gold with the chemical symbol Au is one of the chemical elements with atomic number 79 in group 11 and period 6 of the periodic table. This metal is one of the elements of intermediary metals and valuable metals that can be found freely in nature. Gold in its pure form has a reddish-yellow color and is physically soft, malleable and malleable, and is one of the most widely used metals in the jewelry industry.