2026-1-29 216.73.216.141
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 18114.11-2025 Chemical analysis methods for rare earth concentrates - Part 11: Determination of fluorine content 240.0 via email in 1~3 business day to be valid,,2026-2-1
GB/T 18114.3-2025 Chemical analysis methods for rare earth concentrates - Part 3: Determination of calcium oxide content 255.0 via email in 1~3 business day to be valid,,2026-2-1
GB/T 31967.3-2025 Test methods for physical property of rare earth permanent magnetic materials—Part 3: Determination of resistivity 270.0 via email in 1~3 business day valid,,2026-1-1
GB/T 9945-2025 Hot-rolled bulb flats 270.0 via email in 1~3 business day valid,,2026-1-1
GB/T 11064.2-2023/XG1-2025 Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride—Part 2:Determination of lithium hydroxide content—Acid-alkali titrimetric method,includes Amendment 1 135.0 via email in 1~3 business day valid,,2025-8-29
GB/T 11064.2-2023 Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride—Part 2:Determination of lithium hydroxide content—Acid-alkali titrimetric method, includes Amendment 1 120.0 via email in 1~3 business day superseded,2025-8-29,2025-8-29
GB/T 6150.20-2025 Methods for chemical analysis of tungsten concentrates—Part 20：Determination of mercury content一Solid sampling and direct mercury analysis method 270.0 via email in 1~3 business day valid,,2025-8-1
GB/T 6150.19-2025 Methods for chemical analysis of tungsten concentrates—Part 19:Determination of fluoride content—Ion selective electrode method 270.0 via email in 1~3 business day valid,,2025-8-1
GB/T 12690.20-2024E Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 20: Determination of minor amounts of fluorine and chlorine in rare earth oxides—Ion chromatography method via email in business day valid,,2025-6-1
GB/T 4698.29-2024 Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Part 29:Determination of aluminum,carbon,chromium, copper,iron,manganese,molybdenum,nickel,silicon,tin,vanadium and zirconium contents—Spark atomic emission spectrometry 375.0 via email in 1~5 business day valid,,2025-6-1
GB/T 12690.21-2024E Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 21：Determination of sulfate radical content in rare earth oxides—Barium sulfate turbidimetry via email in business day valid,,2025-5-1
GB/T 12690.21-2024 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 21：Determination of sulfate radical content in rare earth oxides—Barium sulfate turbidimetry 210.0 via email in 1~3 business day valid,,2025-5-1
GB/T 4698.26-2024 Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Part 26: Determination of tantalum and tungsten content—Inductively coupled plasma atomic emission spectrometry 210.0 via email in 1~3 business day valid,,2025-5-1
GB/T 11064.1-2024 Methods for chemical analysis of lithium carbonate, lithium hydroxide monohydrate and lithium chloride—Part 1: Determination of lithium carbonate content—Titration 270.0 via email in 1 business day valid,,2025-4-1
GB/T 12690.12-2024 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 12: Determination of thorium and uranium contents—Inductively coupled plasma mass spectrum method 270.0 via email in 1~3 business day valid,,2024-11-1
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 200.0 via email in 1~3 business day valid,,2024-7-1
GB/T 43489-2023 Sintered neodymium iron boron permanent magnets—Steady state damp heat tests 270.0 via email in 1~3 business day valid,,2024-7-1
GB/T 6150.1-2023 Methods for chemical analysis of tungsten concentrates—Part 1：Determination of tungsten trioxide content—Ammonium tungstate igniting gravimetric method 195.0 via email in 1~3 business day valid,,2024-6-1
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 260.0 via email in 1~3 business day valid,,2024-6-1
GB/T 4324.2-2023 Methods for chemical analysis of tungsten—Part 2:Determination of bismuth and arsenic contents 260.0 via email in 1~3 business day valid,,2024-6-1
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GB/T 18114.11-2025 Chemical analysis methods for rare earth concentrates - Part 11: Determination of fluorine content 
  Issued on: 2025-8-1   Price(USD): 240.0
GB/T 18114.3-2025 Chemical analysis methods for rare earth concentrates - Part 3: Determination of calcium oxide content 
  Issued on: 2025-8-1   Price(USD): 255.0
GB/T 31967.3-2025 Test methods for physical property of rare earth permanent magnetic materials—Part 3: Determination of resistivity 
  Issued on: 2025-06-30   Price(USD): 270.0
GB/T 9945-2025 Hot-rolled bulb flats 
  Issued on: 2025-06-30   Price(USD): 270.0
GB/T 11064.2-2023/XG1-2025 Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride—Part 2:Determination of lithium hydroxide content—Acid-alkali titrimetric method,includes Amendment 1 
  Issued on: 2025-08-29   Price(USD): 135.0
GB/T 11064.2-2023 Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride—Part 2:Determination of lithium hydroxide content—Acid-alkali titrimetric method, includes Amendment 1  
  Issued on: 2025/8/29   Price(USD): 120.0
GB/T 6150.20-2025 Methods for chemical analysis of tungsten concentrates—Part 20：Determination of mercury content一Solid sampling and direct mercury analysis method 
  Issued on: 2025-01-24   Price(USD): 270.0
GB/T 6150.19-2025 Methods for chemical analysis of tungsten concentrates—Part 19:Determination of fluoride content—Ion selective electrode method 
  Issued on: 2025-01-24   Price(USD): 270.0
GB/T 12690.20-2024E Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 20: Determination of minor amounts of fluorine and chlorine in rare earth oxides—Ion chromatography method 
  Issued on: 2024-11-28   Price(USD):
GB/T 4698.29-2024 Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Part 29:Determination of aluminum,carbon,chromium, copper,iron,manganese,molybdenum,nickel,silicon,tin,vanadium and zirconium contents—Spark atomic emission spectrometry 
  Issued on: 2024-11-28   Price(USD): 375.0
GB/T 12690.21-2024E Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 21：Determination of sulfate radical content in rare earth oxides—Barium sulfate turbidimetry 
  Issued on: 2024-10-26   Price(USD):
GB/T 12690.21-2024 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 21：Determination of sulfate radical content in rare earth oxides—Barium sulfate turbidimetry 
  Issued on: 2024-10-26   Price(USD): 210.0
GB/T 4698.26-2024 Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Part 26: Determination of tantalum and tungsten content—Inductively coupled plasma atomic emission spectrometry 
  Issued on: 2024-10-26   Price(USD): 210.0
GB/T 11064.1-2024 Methods for chemical analysis of lithium carbonate, lithium hydroxide monohydrate and lithium chloride—Part 1: Determination of lithium carbonate content—Titration 
  Issued on: 2024-09-29   Price(USD): 270.0
GB/T 12690.12-2024 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 12: Determination of thorium and uranium contents—Inductively coupled plasma mass spectrum method 
  Issued on: 2024-4-25   Price(USD): 270.0
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 
  Issued on: 2023-12-28   Price(USD): 200.0
GB/T 43489-2023 Sintered neodymium iron boron permanent magnets—Steady state damp heat tests 
  Issued on: 2023-12-28   Price(USD): 270.0
GB/T 6150.1-2023 Methods for chemical analysis of tungsten concentrates—Part 1：Determination of tungsten trioxide content—Ammonium tungstate igniting gravimetric method 
  Issued on: 2023-11-27   Price(USD): 195.0
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 
  Issued on: 2023-11-27   Price(USD): 260.0
GB/T 4324.2-2023 Methods for chemical analysis of tungsten—Part 2:Determination of bismuth and arsenic contents 
  Issued on: 2023-11-27   Price(USD): 260.0
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