au9999 とはどういう意味ですか? “オー9999”, 国が定めた金の純度を表す方法です。. ゴールドジュエリーには必ずこのようなマークが付いています. “au” 金の化学元素の記号です. この金属装飾品が金でできていることを示しています. “9999” 金の純度を示します (つまり “ゴールドコンテンツ”), つまり, the gold content of this ornament is 99.99%. This kind of gold is commonly known as “Four Nine Gold”, the golden brick in the general treasury.
Gold with a gold content equal to or greater than 999.9‰ is commonly referred to as “Wanzu Gold Series” または “Wanzu Gold” または “999.9 金”. したがって, the million gold is definitely thousands of gold, but the thousand gold is not necessarily the gold. In the production process of AU9999 gold jewelry, using the characteristics of high temperature autolysis of gold, using laser laser spot welding, touch welding technology, to achieve autolysis welding of gold, without adding any auxiliary materials, abandoning the traditional process of “adding flux” , So as to ensure that the purity of gold jewelry does not decrease, to achieve the purity of raw materials.
違いは何ですか 9999 ゴールドと 999 金? The digital sign of gold represents its purity, 999 is thousands of gold, and the purity of gold is 999/1000; 9999 は 10,000 金, representing the purity of gold is 10,000 Thousand nine hundred and ninety, a difference of nine ten thousandths. The difference between 999 そして 9999 is mainly the purity. 999 は 99.9% 金, そして 9999 は 99.99% 金. しかし, when making jewelry, 99.9% is the highest because it needs welding. If jewelry 9999 is fooled, gold bars Generally 9999.
実際には, the prices of 999 そして 9999 are basically the same. 一般的に, the raw materials of large-scale jewelry are 9999 gold nuggets, and the jewelry can only be made of 999 thousand gold or pure gold.
The national standard of 9999 ゴールドと 999 only defines 999 千金, which means that the thousand gold is the highest purity. Even if 9999 gold is sold, it cannot be detected at the time of purchase, so we can only say that 9999 is a kind of The high-purity gold mentioned in the market is called “million-foot gold” by the public, and it sounds higher than “thousand-foot gold”. 実際には, when you understand the percentage mentioned above, you know that no matter how high the percentage is, there will be no 100% 純金.
実際には, for the jewelry we wear, 999 gold is enough, no matter from the color, 純度, and craft thousands of gold has reached the highest level of jewelry, usually wearing some au750 material jewelry is also a good choice. If you are interested in 9999 金, you may wish to choose this kind of purity of precious metals when collecting.