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5 thoughts on “Where can I identify gold”
Mary
Malls and gold shops can only identify the authenticity of gold, did not identify the gold content, and they have no authority to identify, may not believe it. I suggest that the original poster should go to the professional jewelry appraisal center to identify. It can't find a place to make 114 query, or the migrant bureau phone, or check online!
The places do not collect handling fees , but still depending on the personal situation
You can get it in the gold shop to identify it. Golden shops usually have to be identified in two paragraphs. The adulteration: 1. Whether gold has white highlights: In the materials to cut the gold bars or gold jewelry, and observe the cut surface with a magnifying glass. If it cannot be fused together, it means that the gold is mixed with crickets. 2, measured the proportion: Prome the weight of a pure gold bars with a balance first, and then put the gold bar in a measuring cup and flood the gold bar. Then put the detected gold bars in a measuring cup, whether the scale of the water rises or decreases. As long as it changes, it means that the gold bar is not pure gold. But if it is gold jewelry, this method is not applicable because there is air in gold jewelry. 3, real gold is not afraid of fire refining: This to burn gold bars or gold jewelry on the fire for a while to observe its changes. Because the oxidation reaction occurs with oxygen in the air, the gold bars with insufficient purity will become gray; and the color of the pure gold will be red after the fire is baked. However, this method may be destroyed to jewelry.
This depends on what kind of appraisal certificate you need to issue. Big gold companies can basically do. Lao Fengxiang, China Gold, Zhou Shengsheng, Zhou Dafu, but their identification certificates are their own. If you are more authoritative, you only need to go to the China Gold Association. I will give you an appraisal of the China Gold Industry Association. Of course, the appraisal cost is definitely different.
Gold recovery 9 rings, use 1 cup of water, quickly identify the authenticity of gold at home
n00:00 / 03: 0570% 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
Malls and gold shops can only identify the authenticity of gold,
did not identify the gold content,
and they have no authority to identify,
may not believe it.
I suggest that the original poster should go to the professional jewelry appraisal center to identify.
It can't find a place to make 114 query, or the migrant bureau phone, or check online!
The places do not collect handling fees
, but still depending on the personal situation
You can get it in the gold shop to identify it. Golden shops usually have to be identified in two paragraphs.
The adulteration:
1. Whether gold has white highlights:
In the materials to cut the gold bars or gold jewelry, and observe the cut surface with a magnifying glass. If it cannot be fused together, it means that the gold is mixed with crickets.
2, measured the proportion:
Prome the weight of a pure gold bars with a balance first, and then put the gold bar in a measuring cup and flood the gold bar. Then put the detected gold bars in a measuring cup, whether the scale of the water rises or decreases. As long as it changes, it means that the gold bar is not pure gold. But if it is gold jewelry, this method is not applicable because there is air in gold jewelry.
3, real gold is not afraid of fire refining:
This to burn gold bars or gold jewelry on the fire for a while to observe its changes. Because the oxidation reaction occurs with oxygen in the air, the gold bars with insufficient purity will become gray; and the color of the pure gold will be red after the fire is baked. However, this method may be destroyed to jewelry.
This depends on what kind of appraisal certificate you need to issue. Big gold companies can basically do. Lao Fengxiang, China Gold, Zhou Shengsheng, Zhou Dafu, but their identification certificates are their own. If you are more authoritative, you only need to go to the China Gold Association. I will give you an appraisal of the China Gold Industry Association. Of course, the appraisal cost is definitely different.
Gold recovery 9 rings, use 1 cup of water, quickly identify the authenticity of gold at home
n00:00 / 03: 0570% 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
Go to the golden shop