GB/T 15159-2020 Composite material strips of precious metals and their alloys

GB/T 15159-2008 Composite material strips of precious metals and their alloys

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 4340.2-1999 Metallic vickers hardness test—Part 2:Verification of hardness testers GB/T 4340.2-2012 Metallic materials—Vickers hardness test—Part 2:Verification and calibration of testing machines GB/T 4340.2-2025 Metallic materials—Vickers hardness test—Part 2:Verification and calibration of testing machines GB/T 4340.3-1999 Metallic vickers hardness test—Part 3:Calibration of hardness reference blocks GB/T 4340.3-2012 Metallic materials—Vickers hardness test—Part 3:Calibration of reference blocks GB/T 4340.3-2025 Metallic materials—Vickers hardness test—Part 3:Calibration of reference blocks GB/T 4340.4-2009 Metallic materials—Vickers hardness test—Part 4:Tables of hardness values GB/T 4340.4-2022 Metallic materials—Vickers hardness test—Part 4:Tables of hardness values GB/T 5121.1-1996 Copper and copper alloys—Determination of copper content GB/T 5121.1-2008 Methods for chemical analysis of copper and copper alloys—Part 1:Determination of copper content GB/T 5121.2-1996 Copper and copper alloys—Determination of phosphorus content GB/T 5121.2-2008 Methods for chemical analysis of copper and copper alloys—Part 2:Determination of phosphorus content GB/T 5121.3-1996 Copper and copper alloys—Determination of lead content GB/T 5121.3-2008 Methods for chemical analysis of copper and copper alloys—Part 3:Determination of lead content GB/T 5121.4-1996 Copper and copper alloys—Determination of carbon and sulfur content GB/T 5121.4-2008 Methods for chemical analysis of copper and copper alloys—Part 4:Determination of carbon and sulfur content GB/T 5121.5-1996 Copper and copper alloys—Determination of nickel content GB/T 5121.5-2008 Methods for chemical analysis of copper and copper alloys—Part 5:Determination of nickel content GB/T 5121.6-1996 Copper and copperr alloys—Determination of bismuth content GB/T 5121.6-2008 Methods for chemical analysis of copper and copper alloys—Part 6:Determination of bismuth content GB/T 5121.7-1996 Copper and copper alloys—Determination of arsenic content GB/T 5121.7-2008 Methods for chemical analysis of copper and copper alloys—Part 7:Determination of arsenic content GB/T 5121.8-1996 Copper and copper alloys—Determination of oxygen content GB/T 5121.8-2008 Methods for chemical analysis of copper and copper alloys—Part 8:Determination of oxygen content GB/T 5121.8-2024 Methods for chemical analysis of copper and copper alloys—Part 8:Determination of oxygen,nitrogen and hydrogen contents GB/T 5121.9-1996 Copper and copper alloys—Determination of iron content GB/T 5121.9-2008 Methods for chemical analysis of copper and copper alloys—Part 9:Determination of iron content GB/T 5121.10-1996 Copper and copper alloys—Determination of tin content GB/T 5121.10-2008 Methods for chemical analysis of copper and copper alloys—Part 10:Determination of tin content GB/T 5121.11-1996 Copper and copper alloys—Determination of zinc content GB/T 5121.11-2008 Methods for chemical analysis of copper and copper alloys—Part 11:Determination of zinc content GB/T 5121.12-1996 Copper and copper alloys—Determination of antimony content GB/T 5121.12-2008 Methods for chemical analysis of copper and copper alloys—Part 12:Determination of antimony content GB/T 5121.13-1996 Copper and copper alloys—Determination of aluminium content GB/T 5121.13-2008 Methods for chemical analysis of copper and copper alloys—Part 13:Determination of aluminium content GB/T 5121.14-1996 Copper and copper alloys—Determination of manganese content GB/T 5121.14-2008 Methods for chemical analysis of copper and copper alloys—Part 14:Determination of manganese content GB/T 5121.15-1996 Copper and copper alloys—Determination of cobalt content GB/T 5121.15-2008 Methods for chemical analysis of copper and copper alloys—Part 15:Determination of cobalt content GB/T 5121.16-1996 Copper and copper alloys—Determination of chromium content GB/T 5121.16-2008 Methods for chemical analysis of copper and copper alloys—Part 16:Determination of chromium content GB/T 5121.17-1996 Copper and copper alloys—Determination of beryllium content GB/T 5121.17-2008 Methods for chemical analysis of copper and copper alloys—Part 17:Determination of beryllium content GB/T 5121.18-1996 Copper and copper alloys—Determination of magnesium content GB/T 5121.18-2008 Methods for chemical analysis of copper and copper alloys—Part 18:Determination of magnesium content GB/T 5121.19-1996 Copper and copper alloys—Determination of silver content GB/T 5121.19-2008 Methods for chemical analysis of copper and copper alloys—Part 19:Determination of silver content GB/T 5121.20-1996 Copper and copper alloys—Determination of zirconium content GB/T 5121.20-2008 Methods for chemical analysis of copper and copper alloys—Part 20:Determination of zirconium content GB/T 5121.21-1996 Copper and copper alloys—Determination of titanium content GB/T 5121.21-2008 Methods for chemical analysis of copper and copper alloys—Part 21:Determination of titanaum content GB/T 5121.22-1996 Copper and copper alloys—Determination of cadmium content GB/T 5121.22-2008 Methods for chemical analysis of copper and copper alloys—Part 22:Determination of cadmium content GB/T 5121.23-1996 Copper and copper alloys—Determination of silicon content GB/T 5121.23-2008 Methods for chemical analysis of copper and copper alloys—Part 23:Determination of silicon content GB/T 5121.24-2008 Methods for chemical analysis of copper and copper alloys—Part 24:Determination of selenium and tellurium content GB/T 5121.25-2008 Methods for chemical analysis of copper and copper alloys—Part 25:Determination of boron content GB/T 5121.26-2008 Methods for chemical analysis of copper and copper alloys—Part 26:Determination of mercury content GB/T 5121.27-2008 Methods for chemical analysis of copper and copper alloys—Part 27:The inductively coupled plasma atomic emission spectromertric method GB/T 5121.28-2010 Method for chemical analysis of copper and copper alloys—Part 28:Determination of chromium,iron,manganese,cobalt,nickel,zinc,arsenic,selenium,silver,cadmium,tin,antimony,tellurium,lead and bismuth content—Inductively coupled plasma-mass spectrum method GB/T 5121.28-2021 Methods for chemical analysis of copper and copper alloys—Part 28:Determination of chromium,iron,manganese,cobalt,nickel,zinc,arsenic,selenium,silver,cadmium,tin,antimony,tellurium,lead and bismuth content—Inductively coupled plasma-mass spectrometry GB/T 5121.29-2015 Methods for chemical analysis of copper and copper alloys—Part 29:Determination of aluminium oxide content GB/T 5231-2001 Wrought copper and copper alloys chemical composition limits and forms of wrought products GB/T 5231-2012 Designation and chemical composition of wrought copper and copper alloys GB/T 5231-2022 Designation and chemical composition of wrought copper and copper alloys GB/T 5235-1985 Wrought nickels and nickel alloys—Chemical composition and forms of wrought products GB/T 5235-2007 Wrought nickel and nickel alloys—Chemical composition and forms of wrought products GB/T 5235-2021 Designation and chemical composition of wrought nickel and nickel alloy GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 11066.1-1989 Gold—Determination of gold content—Fire assaying method GB/T 11066.1-2008 Methods for chemical analysis of gold─Determination of gold content—Fire assaying method GB/T 11066.2-1989 Gold—Determination of silver content—Flame atomic absorption spectrometric method GB/T 11066.2-2008 Methods for chemical analysis of gold—Determination of silver content—Flame atomic absorption spectrometry GB/T 11066.3-1989 Gold—Determination of iron content—Flame atomic absorption spectrometric method GB/T 11066.3-2008 Methods for chemical analysis of gold—Determination of iron content—Flame atomic absorption spectrometry GB/T 11066.4-1989 Gold—Determination of copper, lead, bismuth and antimony contents—Flame atomic absorption spectrometric method GB/T 11066.4-2008 Methods for chemical analysis of gold—Determination of copper,lead and bismuth contents—Flame atomic absorption spectrometry GB/T 11066.5-1989 Gold—Determination of silver, copper, iron, lead, antimony and bismuth contents—Emission spectrometric method GB/T 11066.5-2008 Methods for chemical analysis of gold—Determination of silver,copper,iron,lead,antimony and bismuth contents—Atomic emission spectrometry GB/T 11066.6-2009 Methods for chemical analysis of gold—Determination of magnesium,nickel,manganese,palladium contents—Flame atomic absorption spectrometry GB/T 11066.7-2009 Methods for chemical analysis of gold─Determination of silver,copper,iron,lead,antimony,bismuth,palladium,magnesium,tin,nickel,manganese and chromium contents─Spark atomic emission spectrometry GB/T 11066.8-2009 Method for chemical analysis of gold—Determination of silver,copper,iron,lead,antimony,bismuth,palladium, magnesium,nickel,manganese and chromium content—Ethyl acetate extration-inductively coupled plasma-atomic emission spectrometry GB/T 11066.9-2009 Methods for chemical analysis of gold—Determination of arsenic and tin contents—Hydride generation-atomic fluorescence spectrometry GB/T 11066.10-2009 Methods for chemical analysis of gold—Determination of silicon content—Molybdenum blue spectrophotometry GB/T 11066.11-2021 Methods for chemical analysis of gold—Part 11:Determination of magnesium,chromium,manganese,iron,nickel,copper,palladium,silver,tin,antimony,lead and bismuth contents—Inductively coupled plasma mass spectrometry GB/T 11066.12-2024 Methods for chemical analysis of gold—Part 12:Determination of silver,copper,iron,lead,bismuth,antimony,magnesium,nickel,manganese,palladium,chromium,platinum,rhodium,titanium,zinc,arsenic,tin,silicon,cobalt,calcium,potassium,lithium,sodium,tellurium,vanadium,zirconium,cadmium,molybdenum,rhenium,aluminum contents—Inductively coupled plasma atomic emission spectrometry 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 11067.7-2024 Methods for chemical analysis of silver—Part 7:Determination of gold and palladium content—Inductively coupled plasma emission spectrometry GB/T 15072.1-1994 Method for chemical analysis of precious metals and their alloys—Gold, palladium alloys—Determination of gold content GB/T 15072.1-2008 Test method of precious alloys—Determination of gold content for gold,platinum and palladium alloys—Potentiometric titration using ferrous sulfate GB/T 15072.1-2025 Methods for chemical analysis of precious metal alloys—Part 1:Determination of gold content GB/T 15072.2-1994 Method for chemical analysis of precious metals and their alloys—Silver alloys—Determination of silver content GB/T 15072.2-2008 Test method of precious metal alloys—Determination of silver contents for silver alloys—Potentionmeter titration with sodium chloride GB/T 15072.2-2025 Method for chemical analysis of precious metal alloys—Part 2:Determination of silver content GB/T 15072.3-1994 Method for chemical analysis of precious metals and their alloys—Gold, platinum and palladium alloys—Determination of platinum content GB/T 15072.3-2008 Test method of precious metal alloys—Determination of platinum content for gold,platinum and palladium alloys—Electricity titration using potassium permanganate GB/T 15072.3-2025 Methods for chemical analysis of precious metal alloys—Part 3:Determination of platinum content GB/T 15072.4-1994 Method for chemical analysis of precious metals and their alloys—Palladium, silver alloys—Determination of palladium content GB/T 15072.4-2008 Test method of precious metal alloys—Determination of palladium content for palladium and silver alloys—Butanedione dioxime gravimetry GB/T 15072.4-2025 Methods for chemical analysis of precious metal alloys—Part 4:Determination of palladium content GB/T 15072.5-1994 Method for chemical analysis of precious metals and their alloys—Gold, Palladium alloys—Determination of silver content GB/T 15072.5-2008 Test method of precious metal alloys—Determination of silver content for gold and palladium alloys—Potentionmeter titration with potassium iodide GB/T 15072.6-1994 Method for chemical analysis of precious metals and their alloys—Platinum, palladium alloys—Determination of iridium content GB/T 15072.6-2008 Test method of precious metal alloys—Determination of iridium contents for platinum, palladium alloys—Electricity titration with ferrous sulfate GB/T 15072.6-2025 Methods for chemical analysis of precious metal alloys—Part 6:Determination of iridium content GB/T 15072.7-1994 Method for chemical analysis of precious metals and their alloys—Gold alloys—Determination of chromium content GB/T 15072.7-2008 Test methods of precious metal alloys—Determination of chromium and iron contents for gold alloys—Inductively coupled plasma atomic emission spectrometry GB/T 15072.8-1994 Method for chemical analysis of precious metals and their alloys—Gold,palladium and silver alloys—Determination of copper content GB/T 15072.8-2008 Test method of precious metal alloys—Determination of copper content for gold, palladium and silver alloys—Complexometric return titration using thiourea releasing EDTA GB/T 15072.9-1994 Method for chemical analysis of precious metals and their alloys—Gold alloys—Determination of indium content GB/T 15072.9-2008 Test method of precious metal alloys—Determination of indium content for gold alloys—Complexometric return titration using EDTA GB/T 15072.10-1994 Method for chemical analysis of precious metals and their alloys—Gold alloys—Determination of nickel content GB/T 15072.10-2008 Test method of precious metal alloys—Determination of nickel content for gold alloys—Complexometric backing titration using EDTA GB/T 15072.11-1994 Method for chemical analysis of precious metals and their alloys—Gold alloys—Determination of gadolinium content GB/T 15072.11-2008 Test method of precious metal alloys—Determination of gadolinium and beryllium contents for gold alloys—Inductively coupled plasma atomic emission spectrometry GB/T 15072.12-1994 Method for chemical analysis of precious metals and their alloys—Silver alloys—Determination of vanadium content GB/T 15072.12-2008 Test method of precious metal alloys—Determination of nickel contents for silver alloys—Hydrogen peroxide spectrophotometry GB/T 15072.13-1994 Method for chemical analysis of precious metals and their alloys—Silver alloy—Determination of cerium content GB/T 15072.13-2008 Test method of precious metal alloys—Determination of tin,cerium and lanthanium contents for silver alloys—Inductively coupled clasma atomic emission spectrometry GB/T 15072.14-1994 Method for chemical analysis of precious metals and their alloys—Silver alloys—Determination of aluminium content GB/T 15072.14-2008 Test method of precious metal alloys—Determination of aluminium and nickel contents for silver alloys—Inductively coupled plasma atomic emission spectrometry 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 GB/T 15072.15-2008 Test method of precious metal alloys—Determination of nickel,zinc and manganese contents for gold,silver and palladium alloys—Inductively coupled plasma atomic emission spectrometry GB/T 15072.16-1994 Method for chemical analysis of precious metals and their alloys—Gold alloys—Determination of copper and manganese contents GB/T 15072.16-2008 Test method of precious metal alloys—Determination of copper and manganese contents for gold alloys—Inductively coupled plasma atomic emission spectrometry GB/T 15072.17-1994 Method for chemical analysis of precious metals and their alloys—Platinum alloys—Determination of tungsten content GB/T 15072.17-2008 Test method of precious metal alloys—Determination of tungsten contents for platinum alloys—Tungstic acid gravimetry GB/T 15072.18-1994 Method for chemical analysis of precious metals and their alloys—Gold alloys—Determination of iron content GB/T 15072.18-2008 Test method of precious metal alloys—Determination of zirconium and gadolinium contents for gold alloys—Inductively coupled plasma atomic emission spectrometry GB/T 15072.19-1994 Method for chemical analysis of precious metals and their alloys—Gold alloys—Determination of chromium content GB/T 15072.19-2008 Test method of precious metal alloys—Determination of vanadium and magnesium contents for silver alloys—Inductively coupled plasma atomic emission spectrometry GB/T 15072.20-1994 Method for chemical analysis of precious metals and their alloys—Gold alloys—Determination of zirconium content GB/T 15072.20-2025 Methods for chemical analysis of precious metal alloys—Part 20:Determination of rhodium content 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 YB/T 5231-2014 Fixed expansion welding of iron-nickel-cobalt alloy YB/T 5231-2005 Sealed iron-cobalt alloy with permanent expansion YB/T 5235