The softened the gold, the better, and the pure gold soft alloy is hard. The color identification method. Gold is "seven greens, eight yellows, nine purple ten red". It means that the blue gold contains 70%, the yellow contains 80%, the purple is 90%gold, and the red is almost 100%gold. 2. Sound identification method. Let the jewelry fall into the hard place, the sound is dull, and the explanation is good; the sound is crisp and the color difference is different. 3. Bend identification method. Twitte -folding utensils, the real gold is soft, easy to bend and not easy to break. 4. Trail identification method. With a hard needle tip on the surface of the real gold, there are obvious traces, and the false traces are blurred. 5. Demonstration of weight. Gold is the largest proportion of the material, and its proportion is 19:37. Bonard and red copper of the same weight are much larger than the same weight gold and red gold. You can know. 6. Fire burning identification method. True gold jewelry can not change color with fire, but it is not resistant to fake. After burning, it will turn dark brown, and it will lose light. Good luck, I wish you a fortune! Gold (English GOLD), commonly known as gold, chemical element symbols AU, gold code xauusd is a yellow -luster metal. Gold has good physical attributes, stable chemical properties, high ductility and scarce quantity. It is not only for special currency for reserves and investment, but also the jewelry, electronics industry, modern communication, aerospace and other departments and other departments Important materials. Gold is the gold of the chemical symbol as AU. Gold is one of the rare and most precious metals in the world. Gold is the earlier metal discovered and used by humans. Because of its rare, special and precious, it has been regarded as the first of hardware since ancient times. On January 17, 2018, the fifth consecutive trading day of the gold futures price was closed, and the highest closing price in the past four months.
n Shortcut keys to describe space: Play/ pause ESC: Exit full screen ↑: increased by 10% ↓: A amount of volume decreases 10% →: Single fast forward 5 seconds ←: Press 5 seconds in a single fast retreat. You can re -open the small window in the player settings and play the error, please refresh your try
Pay content for time limit to check for freenAnswer Hello, the gold hard gold and soft gold comparison, hard gold is better.nFor relatively speaking, the price is higher than the soft gold, because the production process is more complicated. The colors of hard gold and soft gold are the same, but hard gold has gone through a special technology that makes gold hard and become ordinary gold after burning. The price is higher because the process is different.
There are several ways to identify gold. I said to give you a reference: the high melting point of gold, the general fire does not affect the golden photos. Second: the density of gold is high, the gloss is good, soft, and the general gold is really golden. It can bite the traces. Third: It is a professional identification. Generally, the market is not 99.99%of gold.
The softened the gold, the better, and the pure gold soft alloy is hard.
The color identification method. Gold is "seven greens, eight yellows, nine purple ten red". It means that the blue gold contains 70%, the yellow contains 80%, the purple is 90%gold, and the red is almost 100%gold.
2. Sound identification method. Let the jewelry fall into the hard place, the sound is dull, and the explanation is good; the sound is crisp and the color difference is different.
3. Bend identification method. Twitte -folding utensils, the real gold is soft, easy to bend and not easy to break.
4. Trail identification method. With a hard needle tip on the surface of the real gold, there are obvious traces, and the false traces are blurred.
5. Demonstration of weight. Gold is the largest proportion of the material, and its proportion is 19:37. Bonard and red copper of the same weight are much larger than the same weight gold and red gold. You can know.
6. Fire burning identification method. True gold jewelry can not change color with fire, but it is not resistant to fake. After burning, it will turn dark brown, and it will lose light. Good luck, I wish you a fortune!
Gold (English GOLD), commonly known as gold, chemical element symbols AU, gold code xauusd is a yellow -luster metal. Gold has good physical attributes, stable chemical properties, high ductility and scarce quantity. It is not only for special currency for reserves and investment, but also the jewelry, electronics industry, modern communication, aerospace and other departments and other departments Important materials. Gold is the gold of the chemical symbol as AU. Gold is one of the rare and most precious metals in the world.
Gold is the earlier metal discovered and used by humans. Because of its rare, special and precious, it has been regarded as the first of hardware since ancient times.
On January 17, 2018, the fifth consecutive trading day of the gold futures price was closed, and the highest closing price in the past four months.
n Shortcut keys to describe space: Play/ pause ESC: Exit full screen ↑: increased by 10% ↓: A amount of volume decreases 10% →: Single fast forward 5 seconds ←: Press 5 seconds in a single fast retreat. You can re -open the small window in the player settings and play the error, please refresh your try
Pay content for time limit to check for freenAnswer Hello, the gold hard gold and soft gold comparison, hard gold is better.nFor relatively speaking, the price is higher than the soft gold, because the production process is more complicated. The colors of hard gold and soft gold are the same, but hard gold has gone through a special technology that makes gold hard and become ordinary gold after burning. The price is higher because the process is different.
There are several ways to identify gold. I said to give you a reference: the high melting point of gold, the general fire does not affect the golden photos. Second: the density of gold is high, the gloss is good, soft, and the general gold is really golden. It can bite the traces. Third: It is a professional identification. Generally, the market is not 99.99%of gold.