What is the percentage of 18 karat gold? How does the merchant clean it so that its value does not decrease? Because gold is a metal that is used in many things.
This is what makes it different from others because it has different properties from other metals. There are many types of carats that can be obtained with it, and through us we will answer the question: What is the percentage of 18 carat gold?
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What is the percentage of 18 karat gold?
Gold is considered one of the precious metals that are extracted from mountains and other areas, and then shaped for the purpose of women’s adornment. Because the stages that gold goes through until it is produced and sold make it strong and not affected by external factors. time passing.
But the difference in gold prices is due to the percentage of other metals that are included in the composition, which led some to ask about the percentage of 18 karat gold, and the answer is: 720 grams of pure gold and 250 grams – an equivalent percentage of other metals, 75.18% of gold.
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Types of gold according to karat
If you want to buy gold for decoration instead of freezing some of your money and preserving it, you need to know what percentage of 18-karat gold is in the rest. You can choose what suits you according to its shape and the quantity you have available. The types of gold karat are as follows:
- 24 carat
It is considered one of the best and purest carats, as the percentage of other metals does not exceed 1%. Therefore, it is the highest type due to the presence of raw gold metal in it, and only one metal is added to it, which is copper or silver. To him to preserve his features.
- 21 caliber
The percentage of other metals added to it is from the karats usually available in the markets – 125 grams, but it is made of three metals: copper and silver, which allows one to obtain a cheap piece of gold, and money can be frozen in it.
- 18 caliber
This type contains 6 other metals, in addition to gold at 250 grams per kilogram. It is a common type and has a moderate price.
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- 14 carat
14-karat gold, which is considered one of the modern types that began to be applied in the markets after the financial crises that the world witnessed, contains 10 other metals added to gold, making the gold purity percentage 58.3%.
- 6 gauge
It is widely spread in the Egyptian markets and can be easily recognized by its luster, which is slightly less than original gold due to the presence of 12 types of other metals in it. Hence, the purity of gold reaches 50%.
- 12 sizes
There are many types of metals that make it easy to know the difference between 9-karat gold, 15-karat gold in number, and regular gold by its color and shine, and it is widespread in the markets under the name Chinese gold.
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About the properties of gold metal
Gold metal is considered a good conductor of electricity and heat and can be carried far from mountains, seas, etc. Removing it facilitates the process of creation and application because it leaves it in irregular shapes, flakes or sheets, which makes experts expose it to various chemicals. 1063 until it melts at high temperature.
Then the technicians begin to transform it into gold jewelry that is put on the market, but their willingness to meet the needs of all people means that there are more carats than necessary, and they also add copper, silver, lead, iron and other metals. Since its price is lower, it does not become expensive and difficult to obtain for some groups.
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Steps to redeem merchant gold
Once the amount of gold jewelry reaches the merchant, he must clean it well to preserve its luster, which has faded somewhat after passing through the various manufacturing stages.
There is no need to worry about the value of the gold inside changing as gold is a strong and durable metal that retains its properties despite the following cleaning steps:
The merchant brings a tin bowl and puts some gold in it.
Add some water under your regular laundry detergent.
Place it on medium heat and wait until it boils.
After cleaning, add running water until dust and soap residue are removed.
Then the merchant places the pure gold in the sawdust until it gets rid of the water and dries completely.
Then he takes the gold with the tool designated for him and sets it on fire.
When it turns black, he puts it in an ammonia solution and it turns yellow again.
The trader uses an electric tool to plate the gold.
Then he polishes the gold jewelry by placing it in fine sand and water.
Finally, it is polished using a polishing device that rotates its soft bristles to clean the bottom when the engine is running.
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Knowing the percentage of 18-karat gold, the properties of gold, and the method of cleaning it by the merchant will ensure that you buy distinctive gold jewelry.