Will the gold buy in the counter of the supermarket will be fake? There are thousands of feet gold on it, but I am still worried that there will be fakes. People who have a little understanding tell the salesperson to ask the salesperson to say that I will be a little worried about the fake penalty.
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There may be fake goods purchased at any sales venue.
The identification of gold jewelry
The identification gold requires certain experience.
(1) See 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 %, and the white light is only 50--60 % white light. The slightly yellow and white are less than 50 %. Generally, Qiqing, Eight Huang, and Jiu Chi can be used as a reference.
(2) Type 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. This method is not suitable for gold jewelry inlaid.
(3) Look at the hardness: pure gold is soft and low. It can draw light marks with nails. Teeth bite can leave tooth prints. High -colored gold jewelry is low and soft, with copper with copper, contains copper containing copper, contains copper containing copper The harder, the harder, the bending method can also test the hardness, the pure gold is soft, it is easy to bend, the lower the purity, the less likely to bend.
(4) Listening to the sound: Real gold with a color of more than 99 % throwing it on the hard ground, it will make a tap sound, there is no rhyme or elasticity. The fake or low golden sound is crispy but no dullness. Generally, the sound of "Dangdang" is emitted, and there are surplus sounds.
(5) Burning with fire: The jewelry will be burned red (do not melt the jewelry) with fire (do not melt the jewelry), and observe the color change after cooling. Dark or different degrees of darkness is not pure gold. Generally, the lower the color, the stronger the color, and the darkens are all, indicating that it is a fake gold jewelry.
(6) Seeing the mark: Domestic gold jewelry is allicized and prepared according to international standards, and the killing records, such as "24K" indicate "foot red" or "foot gold"; The word "18K" is marked, and those who have a lower color are lower than LOK. At present, illegal elements are commonly used to manufacture fake cards and imitation stamps in the society. They use rare gold, Asian gold, and even brass to impersonate real gold. Therefore, the identification of gold jewelry must be comprehensively determined according to the sample to determine the true and false and the quality of the real.
It should be relatively stable. Golden State is that there are uniform standards with a unified standard. There is a precious suggestion of sterling silver products. It is recommended to buy regular merchants and brand merchants such as Zhou Dafu. In fact, you can measure your density. "Metal Materials Manual" I am a metal material engineering that is scientific in terms of material science and is also a strong professional of our college. You have no equipment. You only have the simplest measurement density but not very reliable. I want to charge it. Thank you for reading my answer. I hope my answer can bring you a little help. I wish you happy every day!
Pay content for time limit to check for freenAnswer If it is a large supermarket, it should generally be truenAfter all, you won't do something about your signaturenSmall supermarket dare not Baoding anymorenIf you buy gold, it is recommended that you go to some brand gold shops to buynQuestion how to identify authenticitynAnswer 1. Look at color. The gold color with high gold content is red and golden, with a gold content of 80%yellow, and 70%of the gold content is green. You can judge the gold content according to the colornIs the golden reliability in the golden Liufu store in the supermarket? Is it true?nAnswer 2. See weight. Gold is more than doubled than the same volume of silver, lead, and tin, and real gold has a feeling of falling on the hand without the sense of copper or other feeling of only weight without falling.nThis should be true after all, Golden LiufunSecurenMore 8nBleak
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n00:00 / 01: 5470% 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