Wanfu gold 999.9 or 9999
Wanzujin is 999.9. Wanzu gold: The gold content is not less than 999.9 ‰, which is called Wanjin Gold, which is the highest value of jewelry named naming. Taking gold with a gold content of 999.9 ‰ as the raw material, the jewelry processed by "no welded welding process" is used. There is no electroplating and no welded, and the overall quality is the same. The product has all the gold jewelry of 999.9 ‰. The imprint is Wanfu Gold, 999.9 Gold, AU999.9 or G999.9. Thousands of gold: The gold content is not less than 999 ‰. The mark is "Thousands of Gold", "999 Gold", "AU999" or "G999". The expansion information: The method of selecting 10,000 enough gold: This weight: Because the gold density is significantly greater than copper, silver, lead, zinc and other common metals, it is related to silver copper with the same volume Compared with about twice the weight. If the items are gold, there is a heavy feeling. This is the "gold pending" of the people's ministry, otherwise it is light. Seeing color: Wanzu gold has its unique golden yellow luster (exception exception). Pure gold will flash dazzling light under strong light. This is not available in other metals, including copper inside. The dungeon rhyme: High -footed gold, no rhyme and elasticity when the sound is thrown in the ground, and the golden sound quality with low color is slightly brighter, while the copper product is thrown on the ground, the sound is loud. Folded soft and hard: 10,000 foot gold has the characteristics of better ductility and small hardness. Pure gold is folded and soft, and the bronze strips are laborious. Or use large head needles (nails are also fine). If the force is not large, the traces are obviously golden enough, and the copper is slightly stronger and the traces are slightly worse. It is only difficult for gold bars, gold coins, bricks, and the like. Use acid point: nitric acid point its grinding road to determine its true or false. Stocks: Some pH chemicals in daily life, such as perfume, gum, detergent and disinfection agent, can change the color of gold. Therefore, before makeup, cleaning, swimming, and hot springs, the gold should be removed to avoid chemical reactions on the surface. When gold jewelry encounters mercury and lead cosmetics and produce chemical reactions, len white spots on the surface, they should be brought to the gold and silver jewelry shop for professional jewelry cleaning and maintenance.
Pay content for time limit to check for freenAnswer 1. Different gold contentnThe 999 of Wanjin's gold indicates that the purity of gold is 99.90%-99.98%, and only 99.99%of the purity is called 10,000-foot gold. Therefore, the gold content of Wanjin is indeed higher than that of thousands of gold, but it is not very high.nI'm sorry to make wrongnThe 999 of thousands of gold indicates that the purity of gold is 99.90%-99.98%, and only 99.99%of the purity is called 10,000 enough gold. Therefore, the gold content of Wanjin is indeed higher than that of thousands of gold, but it is not very high.n2. Different colornThe purity of 10,000 -foot gold 9999 is higher, so the color of gold is deeper.n3. Seeing hardness is because the purity of 10,000 -foot gold 9999 is higher, so the 10,000 -foot gold 9999 is also harder.n4. It is also important to say something important. So far, the highest purity recognized by the state is 999.n6 morenBleak
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