First of all, you must ask the specific content of gold, because some are three 9 gold, and its purity is 99.9; some are four 9 gold, and its purity is 99.99, which belongs to high purity gold. The price of 99.99 is more expensive than 99.9. There are also different brands, and prices are naturally different. And their pricing is actually the actual price of gold plus their processing fee! In ourselves to distinguish it ourselves. There is a formula for the colorful gold in our common cooked gold, that is, weighing weight, looking at the color, the rhyme, softness, and acid. Because golden density is significantly greater than common metals such as copper, silver, lead, and zinc, it is about twice as much as the same volume of silver and copper. If the items are gold, there is a heavy feeling. This is the "gold pending" of the people's ministry, otherwise it is light.
Gold is its unique golden yellow luster (exception exception). Pure gold will flash dazzling light under strong light. This is not available in other metals, including copper inside.
The gold with high color, no rhyme and elasticity when the sound is thrown in the ground, and the golden sound quality with low color is slightly brighter, while the copper products are thrown on the ground, the sound is loud. Therefore, according to the sound of the knocks, we can help us distinguish between common metals and gold.
Golds have the characteristics of good ductility and small hardness. Pure gold is folded and soft, and the bronze strips are laborious. Or use large head needles (nails are also fine). If the force is not large, the traces are obviously gold, and the copper is slightly larger and the traces are slightly worse. It is only difficult for gold bars, gold coins, bricks, and the like. The authenticity of the first judgment of gold is also effective, but it is necessary to use different orientation of the inspection objects. If the color of several grinding roads is obviously different, adulteration is undoubtedly mixed.
It does not believe the identification method of the above -mentioned cooked gold, you can only use nitric acid, that is, use nitric acid to point its grinding road to determine its true or false.
The golden color identification tactics
people found in long -term practice that various different colors of gold, their color and luster are different, through long -term observation and analysis , People summarized the golden (color gold) colors- "Qiqing, Eight Huang, Jiu Bai Chi (or Jiukou Chi), and four or six do not show gold."
Qiqing, which refers to 70 % (70 % gold), the color presented by gold is blue and yellow.
Eight yellow refers to the color presented by 80 % (80 % gold) gold.
Nine -binding red, refers to the color presented by 90 % (90 % gold) gold. The color of the positive yellow is red gold.
is not gold in four or six, which refers to gold with a color of less than 60 % (including 60 %). The white is slightly yellow, and the color of less than 40 % of the gold is completely white.
In the color of gold, the color of gold is judging the color of gold, which is a reliable and simple way to identify the golden color of gold.
Gold jewelry refers to jewelry made of gold as the main raw material. The golden chemical symbol is AU, the gravity is 17.4, and the hardness of Mobi is 2.5. Gold jewelry can be divided into two categories: pure gold and K gold. The gold content of pure gold jewelry is more than 99%, up to 99.99%. Therefore, it is also known as "Nine Nine Gold", "Full Gold" and "Red Gold". K gold jewelery is a jewelry made of other metals (such as silver and copper) to the golden material, also known as "opening gold" and "adult gold". Due to the number of other metals, different K numbers of K gold jewelry are formed.
In gold jewelry, pure gold jewelry texture is softer, the teeth are bite, and it is easy to bend and the color is golden. Pure, soft, heavy feel, and heavy feeling. K -gold's head jewelry texture is slightly harder, the teeth bite the use of mintes, the color is yellow in yellow, and the number of K is reduced, the white increases, and the yellow is shallow. The feel of K gold jewelry is not as heavy as pure gold jewelry. In addition, both pure gold and K gold jewelry have seals, seals on gold jewelry, useful "gold", and "KG" English letters. The corresponding K number is marked. In addition, the jewelry also marks the seal of the origin of different manufacturers.
The gold -plated jewelry is plated on the surface of other metal jewelry on the surface of the electroplating method. The color is similar to the real gold jewelry. However, the gold -plated jewelry feels lightly, the texture is hard, the teeth are bitter, and it is easy to fade with a long time. Some gold -plated gold -plated jewelry, the color is either red or white, or flowers.
The gold jewelry refers to 24K or 22K gold foil on other metal surfaces. For example, the number of K in the gold foil is too low, and its softness is poor. The appearance of the golden jewelry is similar to the real gold jewelry. The golden light is sparkling and it is not easy to fade, making it difficult to distinguish people. However, if you carefully observe the depression, angle, back, etc. of the jewelry, you can find that the gold foil is uneven and there is a phenomenon of tilting edges. If there are broken joints on the jewelry, the cross section of the metal material is yellow. In addition, the feel of the gold jewelry is also lighter, the texture is harder than the pure gold jewelry, the teeth are bitter, and it is not easy to bend.
The gold -plated jewelry or gold jewelry. It is still copper jewelry, generally without printing with gold jewelry. Or it is different from the gold jewelry. Or the printing signs is blurred and crooked. Consumers should identify whether there are printing on the jewelry, whether the printing is in compliance with the above provisions, whether the printing is clear, etc., to determine the authenticity of gold jewelry.
First of all, you must ask the specific content of gold, because some are three 9 gold, and its purity is 99.9; some are four 9 gold, and its purity is 99.99, which belongs to high purity gold. The price of 99.99 is more expensive than 99.9. There are also different brands, and prices are naturally different. And their pricing is actually the actual price of gold plus their processing fee!
In ourselves to distinguish it ourselves. There is a formula for the colorful gold in our common cooked gold, that is, weighing weight, looking at the color, the rhyme, softness, and acid. Because golden density is significantly greater than common metals such as copper, silver, lead, and zinc, it is about twice as much as the same volume of silver and copper. If the items are gold, there is a heavy feeling. This is the "gold pending" of the people's ministry, otherwise it is light.
Gold is its unique golden yellow luster (exception exception). Pure gold will flash dazzling light under strong light. This is not available in other metals, including copper inside.
The gold with high color, no rhyme and elasticity when the sound is thrown in the ground, and the golden sound quality with low color is slightly brighter, while the copper products are thrown on the ground, the sound is loud. Therefore, according to the sound of the knocks, we can help us distinguish between common metals and gold.
Golds have the characteristics of good ductility and small hardness. Pure gold is folded and soft, and the bronze strips are laborious. Or use large head needles (nails are also fine). If the force is not large, the traces are obviously gold, and the copper is slightly larger and the traces are slightly worse. It is only difficult for gold bars, gold coins, bricks, and the like. The authenticity of the first judgment of gold is also effective, but it is necessary to use different orientation of the inspection objects. If the color of several grinding roads is obviously different, adulteration is undoubtedly mixed.
It does not believe the identification method of the above -mentioned cooked gold, you can only use nitric acid, that is, use nitric acid to point its grinding road to determine its true or false.
The golden color identification tactics
people found in long -term practice that various different colors of gold, their color and luster are different, through long -term observation and analysis , People summarized the golden (color gold) colors- "Qiqing, Eight Huang, Jiu Bai Chi (or Jiukou Chi), and four or six do not show gold."
Qiqing, which refers to 70 % (70 % gold), the color presented by gold is blue and yellow.
Eight yellow refers to the color presented by 80 % (80 % gold) gold.
Nine -binding red, refers to the color presented by 90 % (90 % gold) gold. The color of the positive yellow is red gold.
is not gold in four or six, which refers to gold with a color of less than 60 % (including 60 %). The white is slightly yellow, and the color of less than 40 % of the gold is completely white.
In the color of gold, the color of gold is judging the color of gold, which is a reliable and simple way to identify the golden color of gold.
Gold jewelry refers to jewelry made of gold as the main raw material. The golden chemical symbol is AU, the gravity is 17.4, and the hardness of Mobi is 2.5. Gold jewelry can be divided into two categories: pure gold and K gold. The gold content of pure gold jewelry is more than 99%, up to 99.99%. Therefore, it is also known as "Nine Nine Gold", "Full Gold" and "Red Gold".
K gold jewelery is a jewelry made of other metals (such as silver and copper) to the golden material, also known as "opening gold" and "adult gold". Due to the number of other metals, different K numbers of K gold jewelry are formed.
In gold jewelry, pure gold jewelry texture is softer, the teeth are bite, and it is easy to bend and the color is golden. Pure, soft, heavy feel, and heavy feeling. K -gold's head jewelry texture is slightly harder, the teeth bite the use of mintes, the color is yellow in yellow, and the number of K is reduced, the white increases, and the yellow is shallow. The feel of K gold jewelry is not as heavy as pure gold jewelry. In addition, both pure gold and K gold jewelry have seals, seals on gold jewelry, useful "gold", and "KG" English letters. The corresponding K number is marked. In addition, the jewelry also marks the seal of the origin of different manufacturers.
The gold -plated jewelry is plated on the surface of other metal jewelry on the surface of the electroplating method. The color is similar to the real gold jewelry. However, the gold -plated jewelry feels lightly, the texture is hard, the teeth are bitter, and it is easy to fade with a long time. Some gold -plated gold -plated jewelry, the color is either red or white, or flowers.
The gold jewelry refers to 24K or 22K gold foil on other metal surfaces. For example, the number of K in the gold foil is too low, and its softness is poor. The appearance of the golden jewelry is similar to the real gold jewelry. The golden light is sparkling and it is not easy to fade, making it difficult to distinguish people. However, if you carefully observe the depression, angle, back, etc. of the jewelry, you can find that the gold foil is uneven and there is a phenomenon of tilting edges. If there are broken joints on the jewelry, the cross section of the metal material is yellow. In addition, the feel of the gold jewelry is also lighter, the texture is harder than the pure gold jewelry, the teeth are bitter, and it is not easy to bend.
The gold -plated jewelry or gold jewelry. It is still copper jewelry, generally without printing with gold jewelry. Or it is different from the gold jewelry. Or the printing signs is blurred and crooked. Consumers should identify whether there are printing on the jewelry, whether the printing is in compliance with the above provisions, whether the printing is clear, etc., to determine the authenticity of gold jewelry.