2025-12-14 216.73.216.3
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 18115.1-2020 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 1:Determination of cerium,praseodymium,neodymium,samarium,europium,gadolinium,terbium,dysprosium,holmium,erbium,thulium,ytterbium,lutetium and yttrium contents in lanthanum metal and oxide 285.0 via email in 1~3 business day valid,,2021-10-1
GB/T 39492-2020 Testing method of quantum efficiency for white LED phosphor 105.0 via email in 1~3 business day valid,,2021-10-1
GB/T 39494-2020 Determination for coating adhesion of rare earth permanent magnetic materials for drive motor of new energy vehicle 165.0 via email in 1~3 business day valid,,2021-10-1
GB/T 39233-2020 Lanthanum-copper alloys 105.0 via email in 1~3 business day valid,,2021-10-1
GB/T 39231-2020 Cerium chloride anhydrate 120.0 via email in 1~3 business day valid,,2021-10-1
GB/T 2968-2020 Samarium metal 80.0 via email in 1~3 business day valid,,2021-10-1
GB/T 2526-2020 Gadolinium oxide 105.0 via email in 1~3 business day valid,,2021-10-1
GB/T 2969-2020 Samarium oxide 100.0 via email in 1~3 business day valid,,2021-8-1
GB/T 39143-2020 Methods for chemical analysis of gold-arsenic alloys—Determination of arsenic content—Inductively coupled plasma atomic emission spectrometry 105.0 via email in 1~3 business day valid,,2021-9-1
GB/T 39138.3-2020 Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 3:Determination of chromium,iron,silicon and boron contents—Inductively coupled plasma atomic emission spectrometry 105.0 via email in 1~3 business day valid,,2021-9-1
GB/T 39138.2-2020 Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 2:Determination of nickel content—Dimethylglyoxime gravimetric method 105.0 via email in 1~3 business day valid,,2021-9-1
GB/T 39138.1-2020 Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 1:Determination of gold content—Potentiometric titration using ferrous sulfate 105.0 via email in 1~3 business day valid,,2021-9-1
GB/T 39125-2020 Cerium-magnesium alloys 105.0 via email in 1~3 business day valid,,2021-9-1
GB 39176-2020 Rare earth products packing, marking, transport and storage 165.0 via email in 1~3 business day valid,,2021-8-1
GB/T 38986-2020 Methods of descaling and cleaning for zirconium and zirconium alloy surfaces 100.0 via email in 1~3 business day valid,,2021-6-1
GB/T 38744-2020 Methods for chemical analysis of synergistic catalysis elements in automotive exhaust catalysis—Determination of cerium,lanthanum,praseodymium,neodymium,barium and zirconium contents—Inductively coupled plasma atomic emission spectrometry 145.0 via email in 1~3 business day valid,,2021-3-1
DB36/T 1158-2019 Specifications for weathered crust ion-absorbed rare earth mineral geological exploration via email in business day abolished2025-09-01,,2020-5-1
GB/T 15076.2-2019 Methods for chemical analysis of tantalum and niobium—Part 2:Determination of niobium content in tantalum—Inductively coupled plasma atomic emission spectrometry and stratography gravimetry 140.0 via email in 1~3 business day valid,,2020-11-1
GB/T 15076.10-2019 Methods for chemical analysis of tantalum and niobium—Part 10:Determination of iron,nickel,chromium,titanium, zirconium,aluminum and manganese contents in niobium—Direct current arc atomic emission spectrometry 110.0 via email in 1~3 business day valid,,2020-11-1
GB/T 13747.7-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 7：Determination of manganese content—Patassium periodate spectrometry and inductively coupled plasma atomic emission spectrometry 100.0 via email in 1~3 business day valid,,2020-11-1
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GB/T 18115.1-2020 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 1:Determination of cerium,praseodymium,neodymium,samarium,europium,gadolinium,terbium,dysprosium,holmium,erbium,thulium,ytterbium,lutetium and yttrium contents in lanthanum metal and oxide 
  Issued on: 2020-11-19   Price(USD): 285.0
GB/T 39492-2020 Testing method of quantum efficiency for white LED phosphor 
  Issued on: 2020-11-19   Price(USD): 105.0
GB/T 39494-2020 Determination for coating adhesion of rare earth permanent magnetic materials for drive motor of new energy vehicle 
  Issued on: 2020-11-19   Price(USD): 165.0
GB/T 39233-2020 Lanthanum-copper alloys 
  Issued on: 2020-11-19   Price(USD): 105.0
GB/T 39231-2020 Cerium chloride anhydrate 
  Issued on: 2020-11-19   Price(USD): 120.0
GB/T 2968-2020 Samarium metal 
  Issued on: 2020-11-19   Price(USD): 80.0
GB/T 2526-2020 Gadolinium oxide 
  Issued on: 2020-11-19   Price(USD): 105.0
GB/T 2969-2020 Samarium oxide 
  Issued on: 2020-09-29   Price(USD): 100.0
GB/T 39143-2020 Methods for chemical analysis of gold-arsenic alloys—Determination of arsenic content—Inductively coupled plasma atomic emission spectrometry 
  Issued on: 2020-10-11   Price(USD): 105.0
GB/T 39138.3-2020 Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 3:Determination of chromium,iron,silicon and boron contents—Inductively coupled plasma atomic emission spectrometry 
  Issued on: 2020-10-11   Price(USD): 105.0
GB/T 39138.2-2020 Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 2:Determination of nickel content—Dimethylglyoxime gravimetric method 
  Issued on: 2020-10-11   Price(USD): 105.0
GB/T 39138.1-2020 Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 1:Determination of gold content—Potentiometric titration using ferrous sulfate 
  Issued on: 2020-10-11   Price(USD): 105.0
GB/T 39125-2020 Cerium-magnesium alloys 
  Issued on: 2020-10-11   Price(USD): 105.0
GB 39176-2020 Rare earth products packing, marking, transport and storage 
  Issued on: 2020-07-23   Price(USD): 165.0
GB/T 38986-2020 Methods of descaling and cleaning for zirconium and zirconium alloy surfaces 
  Issued on: 2020-07-21   Price(USD): 100.0
GB/T 38744-2020 Methods for chemical analysis of synergistic catalysis elements in automotive exhaust catalysis—Determination of cerium,lanthanum,praseodymium,neodymium,barium and zirconium contents—Inductively coupled plasma atomic emission spectrometry 
  Issued on: 2020-04-28   Price(USD): 145.0
DB36/T 1158-2019 Specifications for weathered crust ion-absorbed rare earth mineral geological exploration 
  Issued on: 2019-11-05   Price(USD):
GB/T 15076.2-2019 Methods for chemical analysis of tantalum and niobium—Part 2:Determination of niobium content in tantalum—Inductively coupled plasma atomic emission spectrometry and stratography gravimetry 
  Issued on: 2019-12-31   Price(USD): 140.0
GB/T 15076.10-2019 Methods for chemical analysis of tantalum and niobium—Part 10:Determination of iron,nickel,chromium,titanium, zirconium,aluminum and manganese contents in niobium—Direct current arc atomic emission spectrometry 
  Issued on: 2019-12-31   Price(USD): 110.0
GB/T 13747.7-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 7：Determination of manganese content—Patassium periodate spectrometry and inductively coupled plasma atomic emission spectrometry 
  Issued on: 2019-12-31   Price(USD): 100.0
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