Pressure, professional knowledge. No matter where you work, there are intrigues. Jewelry is enough for you to learn for several years. If you want to just work all your life, then you can study at will. Master professional knowledge and sales skills, find the source of goods, develop your own customers, and become the boss in the future. After all, doing business now is a light asset route, so don't be afraid of having no money to invest. As long as the performance in the jewelry store is good, the salary is very high, and intrigue is normal.

How to tell whether gold is true or false?

First, visual inspection.

1, check the official symbol of gold. Generally, it is 999 or 990, or 10K, 18K, 22K, 24K. Anything below 10K is not considered, because the gold content is too low. If you look at it with a magnifying glass, you will see it more carefully.

2. Ancient gold ornaments will not have obvious official purity marks.

3. Of course, fake gold ornaments will also have official marks, so further inspection is needed.

4. Look for obvious discoloration. Check the worn area of the gold surface, usually at the edge of the gold product, and check the discoloration there. If the gold gradually disappears and becomes another color, then the product is only gilded.

Second, the bromine chemical test

1, put the gold product into the alcohol solution and shake it for a while.

2. Soak a piece of filter paper in alcohol solution.

3. At this time, the filter paper becomes grayish purple.

4. Drop 4 drops of bromine-a reagent on the filter paper. If the filter paper turns white, then this gold product is real gold.

All tests take 20 minutes.

Third, magnet testing.

This is a simple test, but it is not a sufficient proof to prove whether it is real gold. You can find a powerful magnet to do the test.

Gold is not a magnetic metal. If your product is attracted by magnets, it is enough to prove that this product is not gold. But you can't prove that your product is gold just because you don't respond to magnets, because there are many non-magnetic metals.

Fourthly, density test.

Only a few metals are denser than gold. The density of pure 24K gold is about 19.3g/ml, which is much higher than other metals. The density test method is enough to prove that your product is gold. The higher the density, the higher the purity of gold. Please make sure that there are no gems on your product.