Chinese jewelry gold authentic and false identification skills sharing
China's jewelry gold market has always attracted much attention, but there are also many counterfeit and shoddy products.Therefore, it is very important to learn to distinguish authenticity for consumers.The following will share some skills to identify the authenticity of Chinese jewelry.
Visual inspection
First of all, appearance inspection is one of the most basic and intuitive ways.When buying jewelry gold, you can judge the authenticity through the following points:
1. ** Color **: The pure golden color is clear and uniform, sparkling in light; and fakes doped other materials or alloys are often dim and uneven.
2. ** logo **: Make sure that there are marks such as manufacturers, brands, and colors in the product, and these signs are clearly visible.
3. ** crafts **: Smooth crafts usually represent high quality, and the details of the details are more distinguished.
Chemical test
In addition to the appearance inspection, preliminary judgments can also be made through chemical methods:
1. ** Density test **: Use the density meter to measure the density of objects to determine whether its ingredients are pure gold (the higher the density, the larger the density).
2. ** hardness test **: Use the hardness meter to test the surface (pure gold is softer than silver but harder than iron).
3. ** Hydrochloride test **: Drop a small amount of hydrochloric acid on the sample and observe the reaction (pure gold will not cause any reaction).
X -ray fluorescent analysis
X -ray fluorescent analysis is a modern technical method that is widely used in the jewelry industry in business practice.The fluorescence strength and spectrum characteristics are determined by the X -ray sample to identify the content and composition of various elements and composition.This technical accuracy is high, fast, and can avoid damage to items.
Lasermark laser carving mark
Lasermark laser sculpture marking is one of the new anti -counterfeiting methods in recent years.Use laser carving machines to make small patterns or text information on the product, and cooperate with special devices to read the content to verify the authenticity of the product.
Magnet Test Magnetic Test Method
The magnetic test method mainly distinguishes different material characteristics through attractiveness. Nowadays, other non -magnetic materials such as silver and nickels in the market, as well as the pupae made of steel and other materials, are magnetic.Magnetic attachment
To sum up, when purchasing Chinese jewelry yellow stocks, you need to pay attention to the above aspects to make comprehensive consideration and confirmation to prevent buying and selling imitation and making money.
