4 thoughts on “How to identify the true and false gold necklace”
Melanie
Some of the popular gold jewelry or commemorative coins on the market are imitation gold products or pseudo -shoddy products. Therefore, pay special attention to identification when buying. There are several commonly used identification methods.
. The gold jewelry produced by Chinese manufacturers now has a poke and gold content of our factory.
. The density of weight gold is larger than metal such as silver, copper, lead, and aluminum. Gold with the same volume is 40 % heavier than silver, 1.2 times heavier than copper, and 6.1 times heavier than aluminum. When the gold supports in his hand, he feels heavy.
. Looking at the color of gold jewelry, the higher the purity of the gold jewelry, the deeper the color.
. Listening to the rhyme throwing Jin Jienin on the hard ground. Listen to its sound when landing. The sound of real gold is low, thick, heavy, and no sound. The sound of fake gold is crispy but no dullness. Generally, it is the sound of "Dangdang", and there are surplus sounds. When the real gold landed, there was no fake gold.
5. The hardness of the test hardness is small and the hardness can be bent with your hands. Fake gold feels hard when it is bent with hands. If you scratches on the jewelry with a large needle, the scratches of pure gold products are clearly clear. Low gold -containing jewelry, even if it can draw traces, is more vague. Gold plating jewelry is more vague.
The above methods are simple testing methods. In order to accurately identify, the following three methods can be adopted.
. The fire burning method puts the jewelry in the fire to barbecue, and removes it when the jewelry is red. After cooling, the pure gold jewelry is still new, and the surface of the K gold jewelry shows a gray oxidation layer. The lower the purity, the darker the color.
. Select a black test goldstone with delicate texture, use gold films with different gold content to draw traces on the test stone, make comparison standards, and then scratch the jewelry you want to test on the same test gold stone, drip the concentrated nitric acid to remove the miscellaneous objects. The traces left on the goldstone are the gold content of the accessories. In contrast to the standard, find out the same color as the trace, which is the accurate amount of the determined jewelry.
. The nitric acid with a concentration of 70 % is dripped on the jewelry, and the original is true. It is not a real golden jewelry that occurs in chemical reactions.
Put it in your hands, see if there is a heavy feeling, the copper is obviously light. Listening to the sound, the real gold with a color of more than 99 % is thrown on the hard ground, and it will make a tap sound, there is no rhyme or elasticity. The fake or low golden sound is crispy but no dullness. Generally, the sound of "Dangdang" is emitted, and there are surplus sounds. Put the gold in your mouth and lick with your tongue for a while, and then smoke. If the jewelry is copper, the mouth has a sweet taste in the mouth, and the gold has no odor.
Pay content for time limit to check for freenAnswer, wait a bit. You may take 5-6 minutes for you to find information here. Do n’t worry, reply to you right awaynLook at the color: the higher the purity of the gold jewelry, the deeper the color. If there is no gold medal, you can determine the general color according to the following color (based on the golden gold as the rule. The so-called green gold is only a silver component in the gold); The pale yellow is 80-85%, the cyan is 65-70%, the color blue with white light is only 50-60%, and the slightly yellow and white are less than 50%. Generally, Qiqing, Eight Huang, and Jiu Chi can be used as a reference. (2) Type weight: The proportion of gold is 19.32, which is more important than metal such as silver, copper, lead, zinc, aluminum. The volume of gold is more than 40%heavier than the silver, 1.2 times heavier than copper, and 6.1 times heavier than aluminum. The gold jewelry should have a feeling of sinking in the hand, and the fake gold jewelry feels lightly. This method is not suitable for gold jewelry inlaid. Financial calendar Information Express Precision Quotes Free Futures Trading Software Crude Oil Precious Metal Quotes Software (3) See hardness: pure gold is soft and low, and use nails can draw light marks. Teeth bite can leave tooth printing. The low color is soft, the more copper, the harder, the more the bending method can test the hardness, the pure gold is soft, it is easy to bend, the lower the purity, and the less likely to bend. (4) Listen to the sound: Throwing the real gold with more than 99%of the color will make a tap sound, there is no rhyme or elasticity. The fake or low golden sound is crispy but no dullness. Generally, the sound of "Dangdang" is emitted, and there are surplus sounds. (5) Burning with fire: The jewelry will be burned red (do not melt the jewelry) with the fire (do not melt the jewelry). After cooling, observe the color change. If the surface is still the original golden color is pure gold; It is not pure gold. Generally, the lower the color, the stronger the color, and the darkens are all, indicating that it is a fake gold jewelry. (6)看标记：国产黄金饰品都是按国际标准提纯配制成的，并打上戮记，如“24K”标明“足赤”或“足金”；18K金，标明“18K”字样，成色低Those who are in LOK can not play the K -printed number according to regulations. At present, illegal elements are commonly used to manufacture fake cards and imitation stamps in the society. They use rare gold, Asian gold, and even brass to impersonate real gold. Therefore, the identification of gold jewelry must be comprehensively determined according to the sample to determine the true and false and the quality of the real.
00:00 / 00: 4170% shortcut keys to describe space: Play / pause ESC: Exit full screen ↑: increase volume 10% ↓: decreases by 10% →: Single fast forward 5 seconds studio Here you can drag no longer appear in the player settings to reopen the small window shortcut key description
Some of the popular gold jewelry or commemorative coins on the market are imitation gold products or pseudo -shoddy products. Therefore, pay special attention to identification when buying. There are several commonly used identification methods.
. The gold jewelry produced by Chinese manufacturers now has a poke and gold content of our factory.
. The density of weight gold is larger than metal such as silver, copper, lead, and aluminum. Gold with the same volume is 40 % heavier than silver, 1.2 times heavier than copper, and 6.1 times heavier than aluminum. When the gold supports in his hand, he feels heavy.
. Looking at the color of gold jewelry, the higher the purity of the gold jewelry, the deeper the color.
. Listening to the rhyme throwing Jin Jienin on the hard ground. Listen to its sound when landing. The sound of real gold is low, thick, heavy, and no sound. The sound of fake gold is crispy but no dullness. Generally, it is the sound of "Dangdang", and there are surplus sounds. When the real gold landed, there was no fake gold.
5. The hardness of the test hardness is small and the hardness can be bent with your hands. Fake gold feels hard when it is bent with hands. If you scratches on the jewelry with a large needle, the scratches of pure gold products are clearly clear. Low gold -containing jewelry, even if it can draw traces, is more vague. Gold plating jewelry is more vague.
The above methods are simple testing methods. In order to accurately identify, the following three methods can be adopted.
. The fire burning method puts the jewelry in the fire to barbecue, and removes it when the jewelry is red. After cooling, the pure gold jewelry is still new, and the surface of the K gold jewelry shows a gray oxidation layer. The lower the purity, the darker the color.
. Select a black test goldstone with delicate texture, use gold films with different gold content to draw traces on the test stone, make comparison standards, and then scratch the jewelry you want to test on the same test gold stone, drip the concentrated nitric acid to remove the miscellaneous objects. The traces left on the goldstone are the gold content of the accessories. In contrast to the standard, find out the same color as the trace, which is the accurate amount of the determined jewelry.
. The nitric acid with a concentration of 70 % is dripped on the jewelry, and the original is true. It is not a real golden jewelry that occurs in chemical reactions.
Put it in your hands, see if there is a heavy feeling, the copper is obviously light. Listening to the sound, the real gold with a color of more than 99 % is thrown on the hard ground, and it will make a tap sound, there is no rhyme or elasticity. The fake or low golden sound is crispy but no dullness. Generally, the sound of "Dangdang" is emitted, and there are surplus sounds. Put the gold in your mouth and lick with your tongue for a while, and then smoke. If the jewelry is copper, the mouth has a sweet taste in the mouth, and the gold has no odor.
Pay content for time limit to check for freenAnswer, wait a bit. You may take 5-6 minutes for you to find information here. Do n’t worry, reply to you right awaynLook at the color: the higher the purity of the gold jewelry, the deeper the color. If there is no gold medal, you can determine the general color according to the following color (based on the golden gold as the rule. The so-called green gold is only a silver component in the gold); The pale yellow is 80-85%, the cyan is 65-70%, the color blue with white light is only 50-60%, and the slightly yellow and white are less than 50%. Generally, Qiqing, Eight Huang, and Jiu Chi can be used as a reference. (2) Type weight: The proportion of gold is 19.32, which is more important than metal such as silver, copper, lead, zinc, aluminum. The volume of gold is more than 40%heavier than the silver, 1.2 times heavier than copper, and 6.1 times heavier than aluminum. The gold jewelry should have a feeling of sinking in the hand, and the fake gold jewelry feels lightly. This method is not suitable for gold jewelry inlaid. Financial calendar Information Express Precision Quotes Free Futures Trading Software Crude Oil Precious Metal Quotes Software (3) See hardness: pure gold is soft and low, and use nails can draw light marks. Teeth bite can leave tooth printing. The low color is soft, the more copper, the harder, the more the bending method can test the hardness, the pure gold is soft, it is easy to bend, the lower the purity, and the less likely to bend. (4) Listen to the sound: Throwing the real gold with more than 99%of the color will make a tap sound, there is no rhyme or elasticity. The fake or low golden sound is crispy but no dullness. Generally, the sound of "Dangdang" is emitted, and there are surplus sounds. (5) Burning with fire: The jewelry will be burned red (do not melt the jewelry) with the fire (do not melt the jewelry). After cooling, observe the color change. If the surface is still the original golden color is pure gold; It is not pure gold. Generally, the lower the color, the stronger the color, and the darkens are all, indicating that it is a fake gold jewelry. (6)看标记：国产黄金饰品都是按国际标准提纯配制成的，并打上戮记，如“24K”标明“足赤”或“足金”；18K金，标明“18K”字样，成色低Those who are in LOK can not play the K -printed number according to regulations. At present, illegal elements are commonly used to manufacture fake cards and imitation stamps in the society. They use rare gold, Asian gold, and even brass to impersonate real gold. Therefore, the identification of gold jewelry must be comprehensively determined according to the sample to determine the true and false and the quality of the real.
00:00 / 00: 4170% shortcut keys to describe space: Play / pause ESC: Exit full screen ↑: increase volume 10% ↓: decreases by 10% →: Single fast forward 5 seconds studio Here you can drag no longer appear in the player settings to reopen the small window shortcut key description