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" 又は "Wanzu Gold" 又は "999.9 金". そこで, 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. の違い 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, 割合がどれほど高くてもそれはわかります, ないでしょう 100% 純金.
実際には, 私たちが身に着けているジュエリーのために, 999 ゴールドで十分です, 色から関係なく, 純度, 何千もの金を使って最高レベルのジュエリーを作りました, 普段はau750素材のジュエリーを着用するのも良い選択です. 興味があれば 9999 金, 貴金属を収集する場合は、このような純度のものを選択するとよいでしょう。.