1 thought on “How do you say how to prevent gold jewelry from changing color ODQ”

  1. Joe

    In this case,
    . K gold K gold refers to the alloy that is melted together with gold and other metals. Depending on the other metal content added to gold, the amount of gold in different K gold is also different. 24K refers to pure gold. If the pure gold is divided into 24 copies, 1 portion is 1K, and the amount of 1K is 4.1667%.

    The Kim series popular on the market: yellow series, white yarn, and color series.

    1. The K gold jewelry of the yellow series is the alloy of gold, silver and copper. The shade of the yellow K gold series jewelry is related to the content of gold and the ratio of silver and copper. If the content of silver is higher than the copper content, the yellow is lighter.

    2. The K gold jewelry of the white series is gold, silver, zinc, and nickel alloys based on gold. The outer layer is plated with a layer of white 铑, which is used to white K gold. For example, the 18K white K gold on the market consists of 75%gold and 25%of silver, zinc, nickel.

    3. The K gold of the color series adds a small amount of color metal elements to the alloy of gold, so as to turn the color of K gold into color. At present, the color K gold jewelry on the market is pressed into a thin piece of K gold of different colors, and then the same K number of gold slices are arranged in different colors, and finally the thin piece is suppressed by a forging method.

    . Platinum platinum is commonly known as platinum. It is a more valuable metal material than gold. The supply of platinum in the world is only 1/20 of gold each year. Its chemical element symbols are PT with a hardness of 4.3, the proportion of 21.45 grams/cubic centimeter is 20 ° C, and the melting point is 1768 ° C. Platinum has many excellent properties, such as high hardness, antioxidant, corrosion resistance, and never changing color. However, in order to make jewelry more suitable, 5%to 10%of 钯 is added to platinum. Almost all platinum jewelry sold on the market is 90%and 95%of platinum alloy with platinum content.

    . Is white k gold a platinum? Many investors take white K gold as platinum, and some businesses simply make mistakes, and it is misleading as white gold as platinum. It is a deception, so many investors have found that they did not buy the platinum they needed after buying the accessories, but the K gold. Therefore, for a long time, the white K gold was used as a fake, and it suffered a bad injustice.

    1. First of all, it is necessary to know that white K gold is the alloy of gold and other metals, and the real platinum is platinum.

    2. Learn to see the product logo. According to national standards, the name and color of the precious metals should be indicated on the logo of each jewelry product. According to national standards, gold jewelry is crown or g before the purity thousands or Ks, such as G750 Gold 750 and G18K gold 18K, which represent 75%K gold containing gold; For example, platinum 900, PT900 indicates that the platinum content is 90%. In particular, the content of platinum will not be represented by K numbers, and only gold is represented by K numbers.

    3. Pay attention to the steel printing of the jewelry. The regular manufacturer will knock on the steel print on the hidden place of the jewelry to indicate the color of the precious metal.

    4. Observation of appearance, white K gold is better, brighter, white, and more rich in color, and the thickness is more darker. At one point, because the texture is soft, you can't make too thin styles. Although the current process is better than in the past, there are already some thin models, but there are not many styles, not compared with K gold jewelry.

    5. Hand oscillables, platinum than K gold sinking, this is because the proportion of platinum is larger than K gold. 77itz
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