2 thoughts on “What are the ways to identify the authenticity of gold?”
Duane
What are the simple ways to identify the authenticity of gold and false n, let's answer without her stupid LV.2 2019-11-18 1, whether gold has white highlights ingredients materials Cut the golden bars or gold jewelry, and observe the cut surface with a magnifying glass. If you see a white highlight, because the gold and the cricket cannot be fused together, it means that the gold is mixed with a pupa. 2, measured the proportion. In the weight of a pure gold bars with an balance, and then put the gold bars into 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. This gold bars or gold jewelry burned 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.
Pay content for time limit to check for freenAnswer first, you can see the color of gold. The higher the purity of 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 green gold. The so-called green gold contains only silver ingredients in gold); dark red yellow color is more than 95%, light red yellow 90-95% 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.nSecond, fire jewelry, observe the color changes after cooling. If it is pure gold, the surface is still golden yellow after burning. If the color is dark, it is not pure gold. However, pay attention to observation when burning, do not burn jewelry to deform.nThird, listen to the sound. Putting pure gold jewelry on the ground will make a click. The fake or bad gold falls on the ground, and it will make a dwelling sound, and it will be beating after landing.nFourth, bite gently with your teeth. In gold jewelry, the pure gold jewelry texture is soft, the teeth are bite, and it is easy to bend. The color is golden, pure, soft, feels heavy, and has a heavy feelingnMore 2nBleak
What are the simple ways to identify the authenticity of gold and false n, let's answer
without her stupid
LV.2 2019-11-18
1, whether gold has white highlights
ingredients materials Cut the golden bars or gold jewelry, and observe the cut surface with a magnifying glass. If you see a white highlight, because the gold and the cricket cannot be fused together, it means that the gold is mixed with a pupa.
2, measured the proportion.
In the weight of a pure gold bars with an balance, and then put the gold bars into 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.
This gold bars or gold jewelry burned 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.
Pay content for time limit to check for freenAnswer first, you can see the color of gold. The higher the purity of 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 green gold. The so-called green gold contains only silver ingredients in gold); dark red yellow color is more than 95%, light red yellow 90-95% 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.nSecond, fire jewelry, observe the color changes after cooling. If it is pure gold, the surface is still golden yellow after burning. If the color is dark, it is not pure gold. However, pay attention to observation when burning, do not burn jewelry to deform.nThird, listen to the sound. Putting pure gold jewelry on the ground will make a click. The fake or bad gold falls on the ground, and it will make a dwelling sound, and it will be beating after landing.nFourth, bite gently with your teeth. In gold jewelry, the pure gold jewelry texture is soft, the teeth are bite, and it is easy to bend. The color is golden, pure, soft, feels heavy, and has a heavy feelingnMore 2nBleak