《贵金属化学分析方法国家标准审定会》由中国有色金属工业总公司标准计量研究所主持,于1991年7月15日至22日在湖南省大庸市召开。负责起草和验证及应邀单位如:昆明贵金属研究所,航空航天部621所,703所,西北铜加工厂,沈阳有色金属加工厂,广州有色金属研究院等出席。会议对银基、金基、钯基和铂基几大系合金分析法审 “National Standards for Chemical Analysis of Precious Metals” was presided over by the Institute of Standards and Metrology of China Nonferrous Metals Industry Corporation and held in Dayong, Hunan Province from July 15 to July 22, 1991. Responsible for the drafting and verification and invited units such as: Kunming Institute of Precious Metals, 621 Aerospace Department, 703, Northwest Copper Processing Plant, Shenyang non-ferrous metal processing plants, Guangzhou Nonferrous Metal Research Institute attended. Meeting on the silver, gold, palladium and platinum based alloy system several major trial