2 thoughts on “What simple method can detect the gold content of gold”
Sergio
1. Look at the marks: now the gold jewelry produced by Chinese manufacturers is purified and prepared according to international standards, and marked with K to indicate the amount of gold in the metal products. The full gold is 24K and the gold content is 99.6%; The gold content of 22K is 91.3%; The gold content of 20K is 83.3%; The gold content of 18K is 74.7%; The gold content of 14K is 58.5%; The gold content of 9K is 37.5%; The gold content of 8K is 33.3%; The gold content of 1K is 4.166%. According to the words of 24K or 18K on the mark, we can know the quality of the jewelry. However, according to the regulations, if it is lower than 10k, we cannot print the number of K gold
2. Color: the higher the purity of gold jewelry, the darker the color. If the gold ornament is cyan yellow, the gold content can reach 70%; It is yellow and contains 80-90% gold; If it is reddish yellow, the gold content can reach more than 95
3. Weight: the proportion of gold is 19.3, higher than that of other metals. The weight of gold with the same volume is 1.8 times that of silver and 2.2 times that of copper. Therefore, the real gold should feel heavy in the hand, while the fake gold should feel lighter
4. Listen to the sound: throw the gold ornaments on the table or on the hard ground. The lower the gold content, the greater the elasticity, the higher the jump, and the clear sound will be made, and there will be aftersounds; The higher the gold content, the smaller the elasticity, the lower the jump, and the sound is low, heavy, and no residual sound
5. Hardness test: the higher the gold content of jewelry, the softer it is. It is easy to bend by hand. It has good toughness and is not easy to break. It will leave clear scratches if it is scratched with hard objects; The lower the gold content is, the harder it is. It needs more strength to bend and it is easy to break. When it is carved with hard things, the scratch is not obvious
6. Scientific detection: identify by burning. Put the jewelry on a smokeless fire, and the color of pure gold will not change after burning; The color darkened or blackened is fake gold or lack of fineness.
1. Look at the marks: now the gold jewelry produced by Chinese manufacturers is purified and prepared according to international standards, and marked with K to indicate the amount of gold in the metal products. The full gold is 24K and the gold content is 99.6%; The gold content of 22K is 91.3%; The gold content of 20K is 83.3%; The gold content of 18K is 74.7%; The gold content of 14K is 58.5%; The gold content of 9K is 37.5%; The gold content of 8K is 33.3%; The gold content of 1K is 4.166%. According to the words of 24K or 18K on the mark, we can know the quality of the jewelry. However, according to the regulations, if it is lower than 10k, we cannot print the number of K gold
2. Color: the higher the purity of gold jewelry, the darker the color. If the gold ornament is cyan yellow, the gold content can reach 70%; It is yellow and contains 80-90% gold; If it is reddish yellow, the gold content can reach more than 95
3. Weight: the proportion of gold is 19.3, higher than that of other metals. The weight of gold with the same volume is 1.8 times that of silver and 2.2 times that of copper. Therefore, the real gold should feel heavy in the hand, while the fake gold should feel lighter
4. Listen to the sound: throw the gold ornaments on the table or on the hard ground. The lower the gold content, the greater the elasticity, the higher the jump, and the clear sound will be made, and there will be aftersounds; The higher the gold content, the smaller the elasticity, the lower the jump, and the sound is low, heavy, and no residual sound
5. Hardness test: the higher the gold content of jewelry, the softer it is. It is easy to bend by hand. It has good toughness and is not easy to break. It will leave clear scratches if it is scratched with hard objects; The lower the gold content is, the harder it is. It needs more strength to bend and it is easy to break. When it is carved with hard things, the scratch is not obvious
6. Scientific detection: identify by burning. Put the jewelry on a smokeless fire, and the color of pure gold will not change after burning; The color darkened or blackened is fake gold or lack of fineness.
When buying gold jewelry, if you want to know whether the gold content is high, use these simple methods