How to distinguish the authenticity of a bracelet, how to distinguish the authenticity of a bracelet

The way to distinguish the authenticity of a bracelet is clear from below.

1. Color identification method: Observe with your eyes, look white, shiny, fine workmanship, and print the store number on the jewelry, which is silver jewelry with high fineness; Poor color, poor color and luster, and dull are mostly fake silver jewelry.

2. Bending method: fold silver jewelry lightly by hand, easy to bend and not easy to break; stiff, barely folded with lower fineness; After bending or cracking with a hammer, it will crack for silver-clad jewelry; Those that can't stand light folding, and are easy to break, are fakes.

3. Throwing method: throw the silver jewelry on the table from top to bottom, and the silver jewelry with high color and low bounce and stable sound is high; Thrown on the table and jumping higher, loud, fake or low-quality silver jewelry.

4. Nitric acid identification method: use a glass rod to drop nitric acid on the file of silver jewelry, which is brown beige and slightly green. It is dark green and has a low color of black.

**Easy to absorb mercury, after absorbing mercury, the surface quality is severely damaged, completely tarnishing, forming silver amalgam (also known as mercury silver). In humid air, silver is easily corroded by sulfur vapor and hydrogen sulfide, causing the surface to turn black (this is one of the basic conditions for the formation of Thai silver). To this end, we should pay attention to the following in our daily life:

1. Cosmetics not only contain mercury, but also sulfur, which can make ** produce black silver sulfide. In addition, if there is sulfur in the air, it is not suitable to wear**. Those who live in or work in chemical factories should pay attention, and even more so not to wear **!

2. Ozone can also cause ** to turn black. For example, the negative ion generator and disinfection cabinet used in daily life should not be placed with ** jewelry.

3. Some eggs and poultry will produce hydrogen sulfide gas after deterioration, and if the staff who carry out egg-related operations should not wear it during working hours.

4. The purification of tap water often contains bleaching powder or chlorine, which has a serious erosive effect, and the erosion loses its luster and produces white silver chloride. Therefore, it is not advisable to wear ** in the bath.

5. Laundry detergent contains bleach, and the main ingredient of bleach is chlorine, which has a certain corrosive effect on the first grade.

6. Mercury (mercury) and ** will work, serious damage will occur, and even mercury paste will be formed, so you should be careful when using a thermometer.

7. **Soluble in hydrochloric acid and nitric acid, if you are engaged in this work, you should pay attention to it.

<> "脺. Is this bracelet a real jadeite? There is cotton wool inside, the percussion sound is very crisp, this goods is a friend who went to Guilin in 90 years to buy and bring back to me, if it is a real jadeite, what price is it worth now? Thank you!

Summary. Identify the true and false colors of jade bracelets, observe with a magnifying glass or microscope, the color of real jade bracelets is different, unevenly distributed, and the color of fake jade bracelets is uniform and unnatural. You can also observe the flaws, take the jade bracelet to a bright place, and observe in the light, the inside of the real jade bracelet has cracks, asbestos and other defects, and the inside of the fake jade bracelet has no flaws, it is very clean, and the background color is white.

Judge by color.

I'm still a little confused, can you be more detailed?

Identify the true and false colors of jade bracelets, observe with a magnifying glass or microscope, the color of real jade bracelets is different, unevenly distributed, and the color of fake jade bracelets is uniform and unnatural. You can also observe the flaws, take the jade bracelet to a bright place, and observe in the light, the inside of the real jade bracelet has cracks, asbestos and other defects, and the inside of the fake jade bracelet has no flaws, it is very clean, and the background color is white.

The method of identifying the authenticity of the bracelet is to use the reagent for the bracelet to take the fighting method, the silver bracelet to use the throwing method, the jade bracelet to see the emerald nature, the agate bracelet to see the color, and the platinum bracelet to burn with fire.

1. **Reagent method for bracelets.

You can use chemical reagents to test the authenticity of Sun Mo** bracelet, put the ** jewelry into the alcohol solution, shake it, and then immerse the filter paper in the solution, you can find that the filter paper is sensitized and dismantled into gray-purple and dropped four drops of bromo-A reagent on the filter paper, and observe whether the test paper turns white, if it is real gold.

2. The silver bracelet is thrown by the throwing method.

Throw the silver bracelet on the floor from top to bottom, the high-quality silver bracelet does not bounce high and has a smooth sound, while the fake silver or low-quality silver bracelet has a high-pitched sound and a higher bounce.

3. The jade bracelet looks at the emerald nature.

To see the authenticity of jadeite bracelets, the most important thing is to look at the jadeite. The surface of natural jadeite can be straight to the reflection of jadeite minerals, commonly known as "fly wings", imitation jadeite is not jadeite, that is to say, the characteristics of fly wings can not be observed.

4. The agate bracelet looks at the color.

Distinguish the authenticity of agate bracelets can look at the color, the color of natural agate is bright and bright, the surface color band is obvious, and it is oily, while the color of false agate is relatively dull, very uniform, without any impurities, without a trace of variegation, which is not natural.

5. Burn the platinum bracelet with fire.

The easiest way to identify platinum bracelets is to burn them with fire, a small musket used in general, real platinum does not change color after being burned, does not melt, and the more it burns, the whiter it is, the texture is like 316 stainless steel, if it changes color, it means that it is fake platinum.