Simple, don't find it on Baidu == search engines, I can find me, it can also be specific, detailed and simple, not to mention the sound of the color sound of the color of the color, the sore
3 thoughts on “How to simply distinguish the true and false gold and false, the simpler the better?”
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Pure gold is soft and low, and shallow marks can be drawn with nails. High -colored gold jewelry is low in color as low. It can bite with teeth. It can also test hardness, pure gold is soft, easy to bend, the lower the purity, the less likely to bend.
The density appraisal can be used, and the volume can be measured with the volume of the volume. (There are certain test errors) The density of gold is 19.26g/cm^3.
It color: the higher the purity of the 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 of the color is only 50--60 % of the white light, and the slightly yellow and white are less than 50 %.
： weight: The proportion of gold is 19.32, which is more important than metal such as silver, copper, lead, zinc, aluminum. The volume of gold is more than 40 % heavier than the silver, 1.2 times heavier than copper, and 6.1 times heavier than aluminum. The gold jewelry should have a feeling of sinking in the hand, and the fake gold jewelry feels lightly.
The gold with high color in color can leave traces with large head needles or nails. More than 97%of gold jewelry, after twisting two or three times, wrinkles appear at the bending, also called fish scales; about 95%of gold jewelry, it feels hard when bending, and the fish scales are not obvious; about 90%of the golden gold golden gold; The jewelry is very hard when the bending is bent, without fish scales; gold jewelry containing more impurities, bend twice or three times to break; if it is made for raw gold, the bend is broken. When using this method, the width and thickness of the jewelry should be considered. The thick and width should be hardened, and the thin and narrow ones are softer.
Gold jewelry to identify the simplest 3 points of true and false, and you will never be afraid of being fooled
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00:00 / 00: 5570% shortcut keys to describe space: Play / suspend ESC: exit full screen ↑: increase volume 10% ↓: reduced volume decrease 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