What is palladium jewelry? How is it different from platinum?

In recent years, white precious metal jewelry, which symbolizes purity and elegance, has been deeply loved by people. At the beginning of this year, another white precious metal jewelry, palladium jewelry, was put on the jewelry counter in a low-key manner. Because people in the jewelry processing industry have already mastered the properties of platinum but not palladium. In recent years, white precious metal jewelry, which symbolizes purity and elegance, is deeply loved by people. At the beginning of this year, another white precious metal palladium jewelry was put on the jewelry counter in a low-key manner. Since people in the jewelry processing industry have already mastered the properties of platinum, and did not pay much attention to the properties of palladium, coupled with the international platinum association’s vigorous promotion of platinum jewelry, the domestic jewelry industry rarely uses palladium as the main element for jewelry processing . And in the gb11872 'jewelry precious metal purity regulations and naming methodLet me introduce the difference between palladium and the well-known platinum (platinum). Palladium (palladium) is not a new type of precious metal. As early as 1803, British chemist Wollaston was separated from crude platinum. It is widely used in various industries, but its consumption is not high due to the influence of platinum. In the mineral classification, the platinum group elements belong to the natural platinum subgroup, including natural element minerals such as iridium, rhodium, palladium, and platinum. There is a widespread phenomenon of isomorphous in-phase replacement between them, thus forming a series of isomorphic and isomorphic mixed crystals. The physical and chemical properties of these elements are quite similar. Palladium and platinum are often associated with each other, and the output is less than platinum. Its appearance (color, gloss) is very similar to platinum, insoluble in organic acid, cold sulfuric acid or hydrochloric acid, but soluble in nitric acid and aqua regia. It is not easy to oxidize and lose luster at room temperature. The surface will oxidize at around 400 degrees, but the luster will be restored when the temperature rises to 900 degrees. The density (weight per unit volume) of palladium is lighter than platinum, and it is more ductile and slightly harder than platinum. However, as jewelry, other elements need to be added to increase its hardness. On the whole, the two precious metals, palladium and platinum, are just like sisters and are very similar. Previous: Palladium and platinum Next: Basic knowledge of palladium