2025-12-21 216.73.216.41
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 15076.6-1994 Methods for chemical analysis of tantalum and niobium-Determination of silicon content in tantalum 140.0 via email in 1~3 business day superseded,2021-2-1,1994-1-2
GB/T 18115.5-2000 Samarium oxide-Determination of lanthanum oxide, cerium oxide, praseodymium oxide, neodymium oxide, europium oxide, gadolinium oxide, terbium oxide, dysprosium oxide, holmium oxide, erbium oxide, thulium oxide, ytterbium oxide, lutetium oxide 180.0 via email in 1~3 business day superseded,2000-10-1,2000-1-1
GB/T 23595.6-2009 Test methods of rare earth yellow phosphor for white LED lamps - Part 6: Determination of conductivity 90.0 via email in 1~3 business day valid,,2010-2-1
YS/T 540.3-2006 Vanadium -- Determination of aluminium content -- CAS-TPC spectrophotometric method 184.0 via email in 1~3 business day superseded,2019-4-1,2006-10-11
GB/T 4698.9-2017 Methods for chemical analysis of titanium sponge, titanium and titanium alloys - Part 9: Determination of tin content - Potassium iodate titration and inductively coupled plasma atomic emission spectrometry 150.0 via email in 1~3 business day valid,,2018-4-1
GB 11064.8-1989 carbonate, lithium hydroxide monohydrate and lithium chloride-Determination of silicon content-Molybdenum blue spectrophotometric method 30.0 via email in 1~3 business day superseded2014-08-01 ,2014-8-1,1990-2-1
GB/T 20931.2-2007 Methods for chemical analysis of lithium-Determination of sodium content-Flame atomic absorption spectrometric method 120.0 via email in 1~3 business day valid,,2007-11-1
GB/T 31969-2015 Test methods of rare earth three-band phosphors for fluorescent lamps―Measurement of phosphors application character 150.0 via email in 1~3 business day valid,,2016-8-1
YS/T 520.2-2007 Chemical analysis of gallium Part 2 Determination of lead content The 4-(2-pyridylazo)-resorcinol spectrophotometric method 140.0 via email in 1~3 business day valid,,2008-5-1
GB 2594.3-1981 High pure indium--Determination of arsenic content--Spectrochemical method 180.0 via email in 1~3 business day valid,,1982-3-1
GB/T 16484.5-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 5: Determination of barium oxide content - Inductively coupled plasma atomic emission spectrom 160.0 via email in 1~3 business day valid,,2010-5-1
YS/T 1075.2-2015 Methods for chemical analysis of vanadium-aluminium and molybdenum-aluminium master alloys―Part 2:Determination of molybdenum content―Lead-molybdate gravimetry 105.0 via email in 1~3 business day valid,,2015-10-1
GB/T 12690.5-1990 Praseodymium oxide--Determination of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide and yttrium oxide contents--X ray fluorescence spectrometric method 180.0 via email in 1~3 business day valid,,1992-1-1
YS/T 520.11-2006 Methods for chemical analysis of gallium The cold vapor atomic absorption spectrophotometric method for the determination of mercury content 184.0 via email in 1~3 business day superseded,2008-5-1,2006-10-11
GB/T 4698.20-1996 Sponge titanium, titanium and titanium alloys-Determination of manganese content-Potassium periodate spectrophotometric method 95.0 via email in 1~3 business day superseded,2018-4-1,1997-4-1
GB/T 4375.1-1984 Methods for chemical analysis of gallium;The 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline photometric method for the determination of copper content 184.0 via email in 1~3 business day superseded,2006-10-11,1985-4-1
YS/T 520.1-2007 Chemical analysis of gallium Part 1 Determination of copper content The 2 9-dimethyl-4 7-diphenyl-1 10-phenanthroline spectrophotometric method 140.0 via email in 1~3 business day valid,,2008-5-1
GB/T 18115.1-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Lanthanum - Determination of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and y 310.0 via email in 1~3 business day superseded,2021-10-1,2000-10-1
YS/T 360.5-2011 Methods for chemical analysis of ilmenite concentrate—Part 5:Determination of silicon dioxide content—molybdenum blue spectrophotometry 120.0 via email in 1~3 business day valid,,2012-7-1
GB/T 14352.9-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of totol sulfur content. Iodometric method after combustion 184.0 via email in 1~3 business day superseded2011-02-01,2011-2-1,1994-2-1
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GB/T 15076.6-1994 Methods for chemical analysis of tantalum and niobium-Determination of silicon content in tantalum 
  Issued on: 1994-05-09   Price(USD): 140.0
GB/T 18115.5-2000 Samarium oxide-Determination of lanthanum oxide, cerium oxide, praseodymium oxide, neodymium oxide, europium oxide, gadolinium oxide, terbium oxide, dysprosium oxide, holmium oxide, erbium oxide, thulium oxide, ytterbium oxide, lutetium oxide 
  Issued on: 2000-06-05   Price(USD): 180.0
GB/T 23595.6-2009 Test methods of rare earth yellow phosphor for white LED lamps - Part 6: Determination of conductivity 
  Issued on: 2009-4-23   Price(USD): 90.0
YS/T 540.3-2006 Vanadium -- Determination of aluminium content -- CAS-TPC spectrophotometric method 
  Issued on: 2006-7-27   Price(USD): 184.0
GB/T 4698.9-2017 Methods for chemical analysis of titanium sponge, titanium and titanium alloys - Part 9: Determination of tin content - Potassium iodate titration and inductively coupled plasma atomic emission spectrometry 
  Issued on: 2017-09-29   Price(USD): 150.0
GB 11064.8-1989 carbonate, lithium hydroxide monohydrate and lithium chloride-Determination of silicon content-Molybdenum blue spectrophotometric method 
  Issued on: 1989-3-31   Price(USD): 30.0
GB/T 20931.2-2007 Methods for chemical analysis of lithium-Determination of sodium content-Flame atomic absorption spectrometric method 
  Issued on: 2007-7-11   Price(USD): 120.0
GB/T 31969-2015 Test methods of rare earth three-band phosphors for fluorescent lamps―Measurement of phosphors application character 
  Issued on: 2015-09-11   Price(USD): 150.0
YS/T 520.2-2007 Chemical analysis of gallium Part 2 Determination of lead content The 4-(2-pyridylazo)-resorcinol spectrophotometric method 
  Issued on: 2007-11-14   Price(USD): 140.0
GB 2594.3-1981 High pure indium--Determination of arsenic content--Spectrochemical method 
  Issued on:   Price(USD): 180.0
GB/T 16484.5-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate - Part 5: Determination of barium oxide content - Inductively coupled plasma atomic emission spectrom 
  Issued on: 2009-10-30   Price(USD): 160.0
YS/T 1075.2-2015 Methods for chemical analysis of vanadium-aluminium and molybdenum-aluminium master alloys―Part 2:Determination of molybdenum content―Lead-molybdate gravimetry 
  Issued on: 2015-04-30   Price(USD): 105.0
GB/T 12690.5-1990 Praseodymium oxide--Determination of lanthanum oxide, cerium oxide, neodymium oxide, samarium oxide and yttrium oxide contents--X ray fluorescence spectrometric method 
  Issued on: 1990-01-02   Price(USD): 180.0
YS/T 520.11-2006 Methods for chemical analysis of gallium The cold vapor atomic absorption spectrophotometric method for the determination of mercury content 
  Issued on: 2006-07-27   Price(USD): 184.0
GB/T 4698.20-1996 Sponge titanium, titanium and titanium alloys-Determination of manganese content-Potassium periodate spectrophotometric method 
  Issued on: 1996-01-01   Price(USD): 95.0
GB/T 4375.1-1984 Methods for chemical analysis of gallium;The 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline photometric method for the determination of copper content 
  Issued on: 1984-04-30   Price(USD): 184.0
YS/T 520.1-2007 Chemical analysis of gallium Part 1 Determination of copper content The 2 9-dimethyl-4 7-diphenyl-1 10-phenanthroline spectrophotometric method 
  Issued on: 2007-11-14   Price(USD): 140.0
GB/T 18115.1-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Lanthanum - Determination of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and y 
  Issued on: 2000-4-13   Price(USD): 310.0
YS/T 360.5-2011 Methods for chemical analysis of ilmenite concentrate—Part 5:Determination of silicon dioxide content—molybdenum blue spectrophotometry 
  Issued on: 2011-12-20   Price(USD): 120.0
GB/T 14352.9-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of totol sulfur content. Iodometric method after combustion 
  Issued on: 1993-05-12   Price(USD): 184.0
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