组合使用关键词、标准类型、状态与 ICS 分类，快速定位所需国家标准。
找到 1,345 条
GB/T 43753.3-2024
Methods for chemical analysis of precious metals alloys electroplating wastewater—Part 3：Determination of sulfate content—Barium sulphate gravimetric method
GB/T 43753.2-2024
Methods for chemical analysis of precious metals alloys electroplating wastewater—Part 2：Determination of zinc, manganese, chromium, cadmium, lead, iron, aluminium, nickel, copper and beryllium contents—Inductively coupled plasma-atomic emission spectrometry
GB/T 43753.1-2024
Methods for chemical analysis of precious metals alloys electroplating wastewater—Part 1：Determination of gold, silver, platinum, palladium and iridium contents—Inductively coupled plasma-atomic emission spectrometry
GB/T 43750-2024
Test method of magnetic properties of isotropic rare-earth permanent magnetic powder
GB/T 43604.1-2023
Methods for chemical analysis of gallium-based liquid metals—Part 1:Determination of lead, cadmium, mercury and arsenic contents—Inductively coupled plasma mass spectrometry
GB/T 43607-2023
Method for analysis of palladium ingots—Determination of silver, aluminum, gold, bismuth, chromium, copper, iron, iridium, magnesium, manganese, nickel, lead, platinum, rhodium, ruthenium, silicon, tin and zinc contents—Spark discharge atomic emission spectrometry
GB/T 43489-2023
Sintered neodymium iron boron permanent magnets—Steady state damp heat tests
GB/T 4324.2-2023
Methods for chemical analysis of tungsten—Part 2:Determination of bismuth and arsenic contents
GB/T 26330-2023
Clad metal strips of silver and silver alloys/copper and copper alloys
GB/T 6150.3-2023
Methods for chemical analysis of tungsten concentrates—Part 3: Determination of phosphorus content—The phosphorus molybdenum yellow spectrophotometry and inductively coupled plasma atomic emission spectrometry
GB/T 6150.1-2023
Methods for chemical analysis of tungsten concentrates—Part 1：Determination of tungsten trioxide content—Ammonium tungstate igniting gravimetric method
GB/T 18115.6-2023
Chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 6:Determination of lanthanum,cerium,praseodymium,neodymium,samarium,gadolinium,terbium,dysprosium,holmium,erbium,thulium,ytterbium,lutetium and yttrium contents
GB/T 3260.11-2023
Methods for chemical analysis of tin—Part 11：Determination of copper,iron,bismuth,lead,antimony,arsenic,aluminum,zinc,cadmium,silver,nickel and cobalt contents—Inductively coupled plasma atomic emission spectrometry
GB/T 43358-2023
Rare earth mineral and rare earth products—Determination of gross alpha and beta radio activity—Thick source method
GB/T 43304-2023
Oxynitride cyan phosphors for white LEDs
GB/T 42513.5-2023
Methods for chemical analysis of nickel alloys—Part 5: Determination of vanadium content—Nitrous oxide- flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry
GB/T 42513.4-2023
Methods for chemical analysis of nickel alloys—Part 4：Determination of silicon content—Nitrous oxide-flame atomic absorption spectrometry and molybdenum blue spectrophotometry
GB/T 42513.3-2023
Methods for chemical analysis of nickel alloys—Part 3：Determination of aluminium content—Nitrous oxide- flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry
GB/T 42513.2-2023
Methods for chemical analysis of nickel alloys—Part 2：Determination of phosphorus content—Molybdenum blue spectrophotometry
GB/T 34494-2017