4 thoughts on “How about Lao Fengxiang Gold? How to distinguish between true and false”
Madeline
Hello, you go to them to see gold jewelry, there will be marks such as AU999 or thousands of gold. This means that the gold is true, thousands of gold. It, the big brand is still more reliable. It hope to help you. Thank you.
Pay content for time limit to check for freenAnswer Hello, Lao Fengxiang Gold to identify authenticity: 1. See color: real gold is better yellow yellow, real gold ingredients are more than 95%, positive yellow real gold ingredients are about 80%, and real gold ingredients with real gold are real gold ingredients. At about 70%, the real gold ingredients with a slight gray color are about 50%. If the time is long, the copper will turn green, silver will turn black, and gold will not change color. 2. Folding hardness: Gold has the characteristics of ductility and small hardness. It can be pressed into thin pieces of 12.7 microns. When the gold content is high, traces can be left with large head needles and nails. (1) Gold jewelry containing more than 97%of the gold content, after two or three times, wrinkles appear at the bend; (2) Gold jewelry containing gold content more than 95%. More than 90%of the gold jewelry containing gold content is very hard when bending, without wrinkles; (4) Gold jewelry with more impurities, bend two or three times to break; Sand -shaped. 3. Listening to the rhyme, watching elasticity: (1), when the high -quality gold jewelry is knocked out or threw it hard, it emits a dull and low voice of "dwelling, dwelling", and no sound rhyme, no elasticity; (2) , K gold has sound rhyme, sound, elasticity. The greater the elasticity, the longer the rhyme, the lower the gold content. 4. Look at density: The mass (gram) of a certain gold jewelry (gram) is equal to density than the volume (cubic centimeter) of a certain gold jewelry (cubic centimeter). The density of gold is about 19.32 grams/cubic centimeter. If it is not in this range, it is non -pure gold (gold with poor color gold); : Gold the golden trail on the gold jewelry, and then use a glass stick to add nitric acid to the golden road. It is the real gold without changing color. The golden road disappears its change.
Hello, you go to them to see gold jewelry, there will be marks such as AU999 or thousands of gold. This means that the gold is true, thousands of gold.
It, the big brand is still more reliable.
It hope to help you.
Thank you.
Pay content for time limit to check for freenAnswer Hello, Lao Fengxiang Gold to identify authenticity: 1. See color: real gold is better yellow yellow, real gold ingredients are more than 95%, positive yellow real gold ingredients are about 80%, and real gold ingredients with real gold are real gold ingredients. At about 70%, the real gold ingredients with a slight gray color are about 50%. If the time is long, the copper will turn green, silver will turn black, and gold will not change color. 2. Folding hardness: Gold has the characteristics of ductility and small hardness. It can be pressed into thin pieces of 12.7 microns. When the gold content is high, traces can be left with large head needles and nails. (1) Gold jewelry containing more than 97%of the gold content, after two or three times, wrinkles appear at the bend; (2) Gold jewelry containing gold content more than 95%. More than 90%of the gold jewelry containing gold content is very hard when bending, without wrinkles; (4) Gold jewelry with more impurities, bend two or three times to break; Sand -shaped. 3. Listening to the rhyme, watching elasticity: (1), when the high -quality gold jewelry is knocked out or threw it hard, it emits a dull and low voice of "dwelling, dwelling", and no sound rhyme, no elasticity; (2) , K gold has sound rhyme, sound, elasticity. The greater the elasticity, the longer the rhyme, the lower the gold content. 4. Look at density: The mass (gram) of a certain gold jewelry (gram) is equal to density than the volume (cubic centimeter) of a certain gold jewelry (cubic centimeter). The density of gold is about 19.32 grams/cubic centimeter. If it is not in this range, it is non -pure gold (gold with poor color gold); : Gold the golden trail on the gold jewelry, and then use a glass stick to add nitric acid to the golden road. It is the real gold without changing color. The golden road disappears its change.
Lao Fengxiang brand old store, you can buy with confidence,
No need to distinguish between true and false! They all have invoices! Generally dare not sell fakes! Intersection Intersection