What is the difference between gold 18K, 24K, and Qianfujin?

5 thoughts on “What is the difference between gold 18K, 24K, and Qianfujin?”

  1. 18K gold refers to the purity of gold. The gold content is 75%. 24K gold generally refers to 999 gold with higher purity. Nine or four nine are uniformly called foot gold
    extension information:
    The purity expression of gold:

    1. Use "K gold" to represent the purity of gold
    national standards GB11887-89 stipulates that each opening (abbreviation of English Carat and German Karat, often writing "K") has a gold content of 4.166%.
    24k gold is considered a pure gold and became 1000 ‰, but the actual gold content was 99.99%, and it was 23.988K.
    2. Use text to express the purity of gold
    The text marks on some gold jewelry, which specifies: foot gold-gold content is not less than 990 ‰, and thousands of gold-gold content is greater than 990 ‰.
    The regulations on gold product marks and logo cards in my country generally require production enterprise codes, materials names, content marks, etc., and unqualified products are unqualified products. The same is true internationally. But for some particularly small products, they are also allowed not to mark.
    Reference materials: Baidu Encyclopedia: 18K Gold, Baidu Encyclopedia: 24K, Baidu Encyclopedia: Thousands of Gold

  2. The purity of gold is different.
    "K gold" means that the purity of gold can theoretically 100%gold can be called 24K gold, but in reality, it is impossible to have 100%gold. ) Gold can be called 24K gold. 18K gold is actually a gold with a gold content of 75%. 24K gold is considered a pure gold and became "1000 ‰", but the actual gold content was 99.99%, and it was 23.988k.

    The expansion information:

    k gold (or opening gold) is a alloy made of gold and other metals. K gold's "K" is the writing of the term "karat" of the foreign language, and a complete statement: Karat Gold (that is, K gold), "AU" or "G" is a symbol used internationally to represent the purity (that is, the gold content) Essence
    k gold jewelry is characterized by small gold volume, low cost, and can be made into various colors, and it improves hardness and is not easy to deform and wear. K gold is divided into 24K gold, 22K gold, 18K gold, 9K gold, etc.
    K gold is measured: pure gold is 24K (ie 100%gold content), and the gold content of 1K is about 4.166%. The method of using "K" to calculate the gold content is a kind of corner bean tree along the Mediterranean coast. The corner bean tree blooms a pale red flower, the nodular pod is about 15 cm long, and the bean kernel is brown, which can make glue. No matter where this kind of tree grows, the bean kernels they are concluded are exactly the same. Therefore, in ancient times, people used it as a standard for determining weight. Over time, it has become a heavy unit to measure precious and subtle items. At that time, the measurement of diamonds and gold also used this unit, that is, "karat". It was not until 1914 that the "Karat" was provided as a standard internationally.
    The understands of K gold's meaning and calculation method, so it is not difficult to know how many types of K gold are. According to international standards, K gold is divided into 24 species, that is, IK to 24K. However, the types of K gold for jewelry are not yet these, and the jewelry materials used in the world are not less than 8K. In this way, there are actually 17 types of K gold for jewelry.
    M of these 17 kinds of K gold materials, 18K and 14K are the most used, and it is the main jewelry raw materials in the jewelry industry in various countries. In order to enrich the expressiveness of various K gold, under the circumstances of unchanged abroad, other alloy ratio coefficients are adjusted to synthesize K gold with different colors. According to the famous Japanese jewelry magazine "Gem Four Seasons", there are 450 types of gold in 2013, and 20 are the most commonly used. For example, there are 6 of 14K: red, red and yellow, dark yellow, light yellow, dark yellow, dark yellow , Green and yellow; 5 of 18K: red, red, yellow, pale yellow, dark yellow.
    Reference materials: Baidu Encyclopedia/K gold

  3. Pay content for time limit to check for freenThe difference between 18K gold and gold is: different hardness; different gold content; different value preservation value. Different hardness: 18K gold texture can be used to make a lot of gold accessories, and it has the value of ornamental; the texture of the gold is softer, it can't withstand too complicated processing, and it is easy to deform. 2. Different gold content: The gold content of 18K gold is 75%, and the gold content of gold is close to 100%, which is pure gold.

  4. The difference between gold 18K, 24K (thousands of gold):
    1, different gold content
    18k gold content is 750 ‰.
    24k gold (also known as thousands of gold) has a gold content of 999 ‰.
    2, different colors
    18k gold can make different colors, such as white, yellow, rose red and so on because it contains 25%of other metals.
    24k gold (thousands of gold) color is yellow.
    3, different hardness
    18k gold high hardness, suitable for shape and inlay, more styles.
    24k gold (thousands of gold) is relatively soft, with a certain difficulty in shape, and the style is limited.
    24k is a gold product. 24K gold is considered to be pure gold, but the actual gold content is 99.998%. Some businesses have launched the concept of "10,000 enough gold" in order to hype or even launch the "10,000 -foot gold" (the highest gold content can reach 999.9 ‰, but the saying of Wanzu gold has not received the country’s admit).
    Theoretically 100%gold can be called 24K gold, but in reality, it is impossible to have 100%gold, so China stipulates that the content of more than 99.96%(including 99.96%) Essence Also called thousands of gold. The understanding of 24K gold in society is thousands of gold.
    Reference materials Source: Baidu Encyclopedia-18K
    Baidu Encyclopedia-24K

  5. 24K gold is generally considered to be pure gold, which is 100%gold, but the landlord should also know that if the gold is not red, the purity of 100%is impossible. Gold is gold, the content of gold refers to gold is not less than 990), and the content of thousands of gold refers to gold is not less than 999).

    18k gold refers to 75%purity gold, and the calculation method is 18/24*100%= 75%. 18K gold is relatively hard, not as soft as full gold and thousands of gold, so it is suitable for setting gems and making various novel and stylish and lovely shapes.

    18K and 24K differences are the purity of gold, as well as the price, huh, huh, full gold, thousands of gold at about 245 grams, and 18K at about 180 grams one gram

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