Hvad betyder au9999 "Au9999", er en metode til at udtrykke renheden af guld fastsat af staten. Guldsmykker skal bære denne form for mærke. "Au" er symbolet på guldets kemiske grundstof. Det viser, at dette metalsmykke er lavet af guld. "9999" angiver guldets renhed (dvs "guldindhold"), det er, 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" eller "Wanzu Gold" eller "999.9 Guld". Derfor, 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.
Hvad er forskellen mellem 9999 guld og 999 guld? The digital sign of gold represents its purity, 999 is thousands of gold, and the purity of gold is 999/1000; 9999 er 10,000 guld, representing the purity of gold is 10,000 Thousand nine hundred and ninety, a difference of nine ten thousandths. Forskellen mellem 999 og 9999 is mainly the purity. 999 er 99.9% guld, og 9999 er 99.99% guld. Imidlertid, when making jewelry, 99.9% is the highest because it needs welding. If jewelry 9999 is fooled, gold bars Generally 9999.
Faktisk, the prices of 999 og 9999 are basically the same. Generelt, 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 guld og 999 only defines 999 tusind guld, 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". Faktisk, when you understand the percentage mentioned above, det ved du, uanset hvor høj procenten er, der bliver nej 100% Rent guld.
Faktisk, for de smykker vi bærer, 999 guld er nok, uanset farven, renhed, og håndværk tusindvis af guld har nået det højeste niveau af smykker, normalt at bære nogle smykker i au750 materiale er også et godt valg. Hvis du er interesseret i 9999 guld, du ønsker måske at vælge denne form for renhed af ædle metaller, når du indsamler.