贵金属主要指金、银和铂族金属(钌、铑、钯、锇、铱、铂)等8种金属元素。这些金属大多有美丽的金属光泽,同时对化学药品(强酸、强碱)、生活溶液(水、汗液)的抵抗力很大,一般不易引起化学反应,所以能长时间保存。因此,它们常被制成首饰、珠宝或纪念品。今天就让我们追寻贵金属的踪迹,看看它们还有哪些实用功能!贵金属,重要的饰物材料黄金的历史,从某种程度上来说就是人类的文明史。几千年前,当人类首次发现天然金粒,黄金 Precious metals mainly refers to gold, silver and platinum group metals (ruthenium, rhodium, palladium, osmium, iridium, platinum) and other 8 kinds of metal elements. Most of these metals have a beautiful metallic luster, while the chemical (strong acid, alkali), the living solution (water, sweat) resistance is generally not easy to cause chemical reactions, so long-term preservation. Therefore, they are often made of jewelery, jewelry or souvenirs. Today let us trace the traces of precious metals to see what they have practical functions! Precious metals, important ornaments of the history of gold, to some extent, is the history of human civilization. Thousands of years ago, when humans first discovered natural gold, gold