译：GB/T 15072.18-1994 Method for chemical analysis of precious metals and their alloys—Gold alloys—Determination of iron content

译：GB/T 15072.9-1994 Method for chemical analysis of precious metals and their alloys—Gold alloys—Determination of indium content

译：GB/T 15072.6-1994 Method for chemical analysis of precious metals and their alloys—Platinum, palladium alloys—Determination of iridium content

译：GB/T 15072.15-1994 Method for chemical analysis of precious metals and their alloys—Gold, silver and palladium alloys—Determination of nickel, zinc and manganese contents

译：GB/T 15072.20-1994 Method for chemical analysis of precious metals and their alloys—Gold alloys—Determination of zirconium content

译：GB/T 15072.5-1994 Method for chemical analysis of precious metals and their alloys—Gold, Palladium alloys—Determination of silver content

译：GB/T 15072.19-1994 Method for chemical analysis of precious metals and their alloys—Gold alloys—Determination of chromium content

译：GB/T 15072.8-1994 Method for chemical analysis of precious metals and their alloys—Gold,palladium and silver alloys—Determination of copper content

译：GB/T 15072.2-1994 Method for chemical analysis of precious metals and their alloys—Silver alloys—Determination of silver content

译：GB/T 15072.4-1994 Method for chemical analysis of precious metals and their alloys—Palladium, silver alloys—Determination of palladium content

译：GB/T 15076.5-1994 Methods for chemical analysis of tantalum and niobium—Determination of molybdenum and tungsten contents

译：GB/T 15076.7-1994 Methods for chemical analysis of tantalum and niobium—Determination of phospherus content in niobium

译：GB/T 15071-1994 Dysprosium metal

译：GB/T 15076.9-1994 Methods for chemical analysis of tantalum and niobium—Determination of iron, chromium, nickel, manganese, titanium, aluminum, copper and zirconium contents in tantalum

译：GB/T 15076.10-1994 Methods for chemical analysis of tantalum and niobium—Determination of iron, nickel, chromium, titanium, zirconium, aluminum and manganese contents in niobium

译：GB/T 2968-1994 Samarium metal

译：GB/T 15076.6-1994 Methods for chemical analysis of tantalum and niobium—Determination of silicon content in tantalum

译：GB/T 15076.15-1994 Methods for chemical analysis of tantalum and niobium—Determination of hydrogen content

译：GB/T 15076.13-1994 Methods for chemical analysis of tantalum and niobium—Determination of nitrogen content in tantalum

译：GB/T 15076.2-1994 Methods for chemical analysis of tantalum and niobium—Determination of niobium content in tantalum