wholesale custom made jewelry tags What's wrong with erythema on the gold surface?

wholesale stainless steel mens jewelry There are erythema on the surface of the golden surface and mixed with other elements. The existence of these impurities may make them red on their subjects, but the area of ​​this color change will be small. Gold contains S's environment for a long time, and there may be erythema on the surface; when gold and thousands of gold jewelry are in contact with acid contact, erythema may also be generated.
Reason for discoloration:
1. Foot gold jewelry has a gold content of 99 ‰, and the content of thousands of gold jewelry is more than 999 ‰. The gold content is not 100%. It may be mixed with other elements. The existence of these impurities may cause red, white, purple, and black spots on their subjects. The area of ​​this color change will be small.
2, when wearing white jewelry such as gold and platinum or silver, due to the friction between the jewelry, the metal of the white jewelry is likely to be wiped on the gold jewelry, or the gold is wiped on the white jewelry. It only appears on the part that can be fried, and it is on the surface, with scratches.
3. There is a term "mercury" in chemistry. The so -called mercury is mercury alloy. Mercury can form mercury with all metals except iron. Gold turning white also has mercury to form mercury.
A mercury is also called mercury. The atomic order is 80 larger than Gold 1, the color is silver -white, liquid metal, easy to flow, the boiling point is 356.58 ° C, and the steam is highly toxic. The commonly used thermometers, air pressure gauges, steam lamps, etc. are made of mercury, and poor -quality cosmetics, drugs, bactericides, etc. will also have mercury. If you don't pay attention to contact with gold jewelry, you will form golden mercury.
to make the surface color of the foot gold jewelry white and crispy, if the area is large, it will even be broken.
4, foot gold and thousands of gold jewelry are placed in an environment for a long time, and there may be erythema on the surface; foot gold and thousand -foot gold jewelry may also produce erythema. This is due to its internal impurities elements that produce oxidation layers on the surface of the foot gold jewelry.
This information
Golden four textures:
1, red gold and pure gold are close, but due to the different time and local standards, the standards of Chijin are different. The color reaching 99.6%is called Chijin. The red gold in the territory is generally between 99.2%-99.6%.
2, color gold, also known as "secondary gold" and "tide gold", refers to the low color. Due to the different metal content of these gold, the high color is 99%high, and only 30%of the low.
The is divided by different metals, cooked gold can be divided into color gold, mixed gold, K gold, etc. The color gold refers to gold only mixed with silver components, regardless of whether it is high or low. There are more color gold, commonly in gold bars, gold ingots, gold blocks and various utensils and gold jewelry.
3, mixed gold refers to the gold inside the gold, in addition to the silver, but also contains other metals such as copper, zinc, lead, and iron. Depending on the type and quantity of the metal contained in, it can be divided into small mixed gold, large mixed gold, bronze mixed gold, and lead -containing large mixed gold.
4, K gold refers to gold and copper according to a certain proportion of gold, and according to the formula of 24K formulas. Generally speaking, the more the proportion of k gold is silver, the more colorful the color; the large copper ratio is purple.
Reference materials Source: Baidu Encyclopedia-Gold

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The gold itself does not oxidize, the erythema appears, and the other impurities are oxidized before it becomes red. Even if the three 9,000 -footed gold, its impurities may be oxidized. The higher the gold content, the relatively difficult to appear.
The very common craftsmanship, now there is no way to solve this problem all over the world. Of course, this is a common quality problem. But it is definitely not intentional, but the quality flaws that cannot be avoided.
This is what friends in the line told me. If you feel that you are not professional enough, you can go to the jewelry line to ask the maintenance department to ask

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