GB/T 15076.9-2008
ActiveMethods for chemical analysis of tantalum and niobium - Determination of iron, chromium, nickel, manganese, titanium, aluminum, copper, tin, lead and zirconium contents in tantalum
钽铌化学分析方法 钽中铁、铬、镍、锰、钛、铝、铜、锡、铅和锆量的测定
钽铌化学分析方法 钽中铁、铬、镍、锰、钛、铝、铜、锡、铅和锆量的测定