1949年美国制备的G-1和W-1两个著名的岩石标准样，在促进分析化学和地球化学的发展方面起了重要的作用，引起了国际上对地球化学标准样制备与研究的兴趣。自此以后在许多国家相继建立了制备与发行的机构，发行了数十种硅酸盐标准样品。已开过三 The two well-known rock standards G-1 and W-1 made in the United States in 1949 played an important role in promoting the development of analytical chemistry and geochemistry, and have attracted international interest in the preparation and research of geochemical standards . Since then, manufacturing and distribution facilities have been established in many countries and dozens of silicate standards have been issued. Has been opened three