GB/T 23521-2009 Silver and copper alloy bar,tube and strip for tantalum capacitors use

GB/T 228-2002 Metallic materials—Tensile testing at ambient temperature GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.2-2015 Metallic materials—Tensile testing—Part 2:Method of test at elevated temperature GB/T 228.3-2019 Metallic materials—Tensile testing—Part 3:Method of test at low temperature GB/T 228.4-2019 Metallic materials—Tensile testing—Part 4:Method of test in liquid helium GB/T 4340.1-1999 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 4340.1-2009 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 4340.1-2024 Metallic materials—Vickers hardness test—Part 1:Test method GB/T 11067.1-1989 Silver—Determination of silver content—Silver chloride precipitation-flame atomic absorption spectrometric method GB/T 11067.1-2006 Methods for chemical analysis of silver—Determination of silver content—Silver chloride precipitation-flame atomic absorption spectrometric method GB/T 11067.2-1989 Silver—Determination of copper and gold contents—Flame atomic absorption spectrometric method GB/T 11067.2-2006 Methods for chemical analysis of silver—Determination of copper contents—Flame atomic absorption spectrometric method GB/T 11067.3-1989 Silver—Determination of iron, lead and bismuth contents—Flame atomic absorption spectrometric method GB/T 11067.3-2006 Methods for chemical analysis of silver—Determination of selenium and tellurium content—Inductively coupled plasma atomic emission spectrometric method GB/T 11067.4-1989 Silver—Determination of antimony content—2-(5-bromo-2-pyridylazo)-5-diethylaminophenol spectrophotometric method GB/T 11067.4-2006 Methods for chemical analysis of silver—Determination of antimony content—The inductively coupled plasma atomic emission spectrometric method GB/T 11067.5-1989 Silver—Determination of carbon content—Combustion-conductometric method GB/T 11067.5-2006 Methods for chemical analysis of silver—Determination of lead and bismuth contents—Flame atomic absorption spectrometric method GB/T 11067.6-1989 Silver—Determination of sulphur content—Combustion-potassium iodate titrimetric method GB/T 11067.6-2006 Methods for chemical analysis of silver—Determination of iron contents—Flame atomic absorption spectrometric method GB/T 11067.7-1989 Silver—Determination of copper, bismuth, iron, lead, gold and antimony contents—Emission spectrometric method GB/T 15077-1994 Geometric size measuring methods of precious metals and their alloy materials GB/T 15077-2008 Geometric size measuring methods of precious metals and their alloy materials GB/T 11067.7-2024 Methods for chemical analysis of silver—Part 7:Determination of gold and palladium content—Inductively coupled plasma emission spectrometry