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  •  China "trio" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • GB/T 23855-2018
  • Liquid sulphur trioxide trio
    China National Standards
  • GB/T 1819.9-2017
  • Methods for chemical analysis of tin concentrates—Part 9:Determination of tungsten trioxide content—The thiocyanate spectrophotometric method trio
    China National Standards
  • HJ 850-2017
  • (Water quality - Determination of mesotrione - Liquid chromatography) trio
    China Environmental Protection Industry Standards
  • SN/T 4305-2015
  • (Determination of antimony trioxide export inductance lead, iron, copper, arsenic, selenium, bismuth, cadmium, mercury levels coupled plasma atomic emission spectrometry) trio
    China Import Export Inspection Standards
  • SN/T 4045-2014
  • (Food for export mesotrione residues measured by liquid chromatography - mass spectrometry/mass spectrometry) trio
    China Import Export Inspection Standards
  • GB/T 4062-2013
  • Antimony trioxide trio
    China National Standards
  • GB 29698-2013
  • National Food Safety Standard-Determination of 17β-estradiol, estriol and ethinylestradiol residues in milk and milk products by gas chromatography-mass spectrometry trio
    China National Standards
  • GB 29382-2012
  • Mesotrione technical material trio
    China National Standards
  • GB/T 17321-2012
  • Sensory analysis method - Duo-trio test trio
    China National Standards
  • SN/T 1031.6-2012
  • Chemical analysis of crude antimony trioxide for export. Part 6: Determination of lead and iron contents trio
    China Import Export Inspection Standards
  • SN/T 1031.1-2012
  • Chemical analysis of crude antimony trioxide for export. Part 1: Determination of mercury content trio
    China Import Export Inspection Standards
  • GB 28138-2011
  • Mesotrione aqueous suspension concentrate trio
    China National Standards
  • SN/T 3012-2011
  • Determination of tungsten trioxide in tungsten ores. X-ray fluorescence spectrom trio
    China Import Export Inspection Standards
  • GB 26721-2011
  • Arsenic trioxide trio
    China National Standards
  • SN/T 0837.3-2011
  • Method for chemical analysis of arsenic trioside for import and export. Part 3: Determination of iron content trio
    China Import Export Inspection Standards
  • SN/T 0837.2-2011
  • Method for chemical analysis of arsenic trioxide for import and export. Part 2: Determination of moisture trio
    China Import Export Inspection Standards
  • SN/T 0837.1-2011
  • Method for chemical analysis of arsenic trioxide for import and export. Part 1: Determination of arsenic trioxide content trio
    China Import Export Inspection Standards
  • GB/T 26019-2010
  • Methods for chemical analysis of high impurity tungsten mineral - Determination of tungsten trioxide content - Twice separation and igniting gravimetric method trio
    China National Standards
  • SN/T 0951-2010
  • Determination of tungsten trioxide content in ammonium paratungstate for import and export trio
    China Import Export Inspection Standards
  • GB 1610-2009
  • Chromium trioxide for industrial use trio
    China National Standards
  • GB/T 23855-2009
  • Liquid sulphur trioxide trio
    China National Standards
  • GB/T 3253.4-2009
  • Methods for chemical analysis of antimony and antimony trioxide - Determination of sulfur content in antimony - Burning and sodium hydroxide titration method trio
    China National Standards
  • GB/T 3253.10-2009
  • Methods for chemical analysis of antimony and antimony trioxide - Determination of mercury content - Atomic fluorescence spectrometric method trio
    China National Standards
  • GB/T 3253.9-2009
  • Methods for chemical analysis of antimony and antimony trioxide - Determination of cadmium content - Flame atomic absorption spectrometric method trio
    China National Standards
  • GB/T 3253.7-2009
  • Methods for chemical analysis of antimony and antimony trioxide - Determination of bismuth content - Atomic fluorescence spectrometric method trio
    China National Standards
  • GB/T 3253.11-2009
  • Methods for chemical analysis of antimony and antimony trioxide - Determination of bismuth content - Flame atomic absorption spectrometric method trio
    China National Standards
  • GB/T 3253.8-2009
  • Methods for chemical analysis of antimony and antimony trioxide - Determination of antimony trioxide content - Iodine titration method trio
    China National Standards
  • GB/T 22179-2008
  • Oil of lemon eucalyptus(Eucalyptus citriodora Hook.) trio
    China National Standards
  • GB 1256-2008
  • Working chemical - Arsenic trioxide trio
    China National Standards
  • GB/T 3253.3-2008
  • Methods for chemical analysis of antimony and antimony trioxide - Determination of lead content - Flame atomic absorption spectrometric method trio
    China National Standards
  • GB/T 6150.1-2008
  • Methods for chemical analysis of tungsten concentrates - Determination of tungsten trioxide content - The ammonium tungstate igniting gravimetric method trio
    China National Standards
  • GB/T 3253.1-2008
  • Methods for chemical analysis of antimony and antimony trioxide - Determination of arsenic content - Arsenic molybdenum blue spectrophotometric method trio
    China National Standards
  • GB/T 3253.5-2008
  • Methods for chemical analysis of antimony and antimony trioxide - Determination of copper content - Flame atomic absorption spectrometric method trio
    China National Standards
  • GB/T 3253.2-2008
  • Methods for chemical analysis of antimony and antimony trioxide - Determination of iron content - Orthophenanthroline spectrophotometric method trio
    China National Standards
  • GB/T 3253.6-2008
  • Methods for chemical analysis of antimony and antimony trioxide - Determination of selenium content - Atomic fluorescence spectrometer method trio
    China National Standards
  • HG/T 3874-2006
  • trioctyl trimellitate trio
    China Chemical Industry Standards
  • GB/T 673-2006
  • Chemical reagent - Arsenic trioxide trio
    China National Standards
  • SN/T 0837.4-2006
  • Determination of the amount of chlorine content in arsenic trioxide. Photometric method of distillation-mercuric thiocyanate trio
    China Import Export Inspection Standards
  • GB/T 13150-2005
  • Semiconductor devices Discret devices Blank detail specification for bidirectional triode thyristors(triacs),ambient and case-rated,for currents greater than 100A trio
    China National Standards
  • GB/T 13151-2005
  • Semiconductor devices Discrete devices Part 6:Thyristors Section Three-Blank detail specification for reverse blocking triode thyristors,ambient and case-rated,for currents greater than 100A trio
    China National Standards
  • HG/T 3444-2003
  • Chemical reagent. Chromium trioxide trio
    China Chemical Industry Standards
  • GB/T 1819.9-2004
  • Methods for chemical analysis of tin concentrates--Determination of tungsten trioxide content--The thiocyanate spectrophotometric method trio
    China National Standards
  • GB/T 6609.21-2004
  • Chemical analysis methods and determination of physical performance of alumina--Determination of gallium trioxide content--Butyrhodamine B spectrophotometric method trio
    China National Standards
  • GB/T 6609.16-2004
  • Chemical analysis methods and determination of physical performance of alumina--Determination of boron trioxide content--Curcumin spectrophotometric method trio
    China National Standards
  • SN/T 1031.7-2003
  • Method for the chemical analysis of crude antimony trioxide for export. Determination of arsenic content trio
    China Import Export Inspection Standards
  • GB/T 2261.5-2003
  • Classification and codes of basic personal information--Part 5: Codes for relatives of Hong kong,Macao,Taiwan compatriot or Overseas Chinese trio
    China National Standards
  • SN/T 1031.4-2001
  • Method for the chemical analysis of crude antimony trioxide for export. Determination of fluorine content trio
    China Import Export Inspection Standards
  • SN/T 1031.5-2001
  • Method for the chemical analysis of crude antimony trioxide for export. Determination of selenium content trio
    China Import Export Inspection Standards
  • SN/T 1031.3-2001
  • Method for the chemical analysis of crude antimony trioxide for export. Determination of antimony trioxide content trio
    China Import Export Inspection Standards
  • SN/T 1031.2-2001
  • Method for the chemical analysis of crude antimony trioxide for export. Determination of total antimony content trio
    China Import Export Inspection Standards
  • SN/T 0951-2000
  • Method for the determination of tungsten trioxide content in ammonium paratungstate for import export trio
    China Import Export Inspection Standards
  • SN/T 0837.2-1999
  • Method for the determination of moisture in arsenic trioxide for export trio
    China Import Export Inspection Standards
  • SN/T 0837.1-1999
  • Method for the determination of purity of arsenic trioide for export trio
    China Import Export Inspection Standards
  • SN/T 0837.3-1999
  • Method for the determination of iron in arsenic trioxide for export trio
    China Import Export Inspection Standards
  • GB/T 6352-1998
  • Semiconductor devices--Discrete devices--Part 6:Thyristors--Section One:Blank detail specification for reverse blocking triode thyristors,ambient or case-rated,up to 100A trio
    China National Standards
  • GB/T 6590-1998
  • Semiconductor devices--Discrete devices--Part6:Thyristors--Section Two:Blank detail specification for bidirectional triode thyristors(triacs),ambient or case-rated,up to 100A trio
    China National Standards
  • GB/T 17067-1997
  • Workplace air--Determination of arsenic trioxide--Atomic absorption spectrometric method trio
    China National Standards
  • SJ/T 10959-1996
  • Detailed specifications for electronic components - 3CT320 case-rated avalanche triode thyristors (Applicable for certification) trio
    China Electronics Standards
  • SJ/T 10958-1996
  • Detailed specifications for electronic components - 3CT320 case-rated reverse blocking triode thyristors (Applicable for certification) trio
    China Electronics Standards
  • GB/T 16020-1995
  • Workplace air--Determination of chromium trioxide--Flame atomic absorption spectrophotometric method trio
    China National Standards
  • GB/T 16026-1995
  • Workplace air--Determination of sulfuric acid and sulfur trioxide--Barium chloride turbidimetric method trio
    China National Standards
  • GB/T 16034-1995
  • Workplace air--Determination of arsenic trioxide and pentoxide--Silver diethyl dithiocarbamate spectrophotometric method trio
    China National Standards
  • GB/T 16019-1995
  • Workplace air--Determination of chromium trioxide,chromates and dichromates--Diphenylcarbazide spectrophotometric method trio
    China National Standards
  • GB/T 1880-1995
  • Phosphate rock and concentrate--Determination of sulfur trioxide content--Gravimetric method trio
    China National Standards
  • SJ/T 10678-1995
  • Bismuth trioxide power for electrinic industry trio
    China Electronics Standards
  • GB/T 15292-1994
  • Measuring methods for thyristor--Reverse conducting triode thyristor trio
    China National Standards
  • SH/T 0344-1992
  • (Hydrogenation catalyst fine trioxide Determination Act) trio
    China Petrochemical Industry Standards
  • QB/T 1275-1991
  • (Determination of fur products. Chromium trioxide) trio
    China Light Industry Standards
  • GB/T 13152-1991
  • Blank detail specification for reverse conducting triode thyristors,ambient or case-rated,5A/5A and above trio
    China National Standards
  • JJG(SJ)04020-1989
  • Specification for verification of sample transistor specially intended to measure the noise factor of high frequency medium and low power triode transistor trio
    China Metrological Standards
  • JJG(SJ)04022-1989
  • Specification for verification of Q01 model high frequency low power triode transistor Ft standard measurement meters trio
    China Metrological Standards
  • JJG(SJ)04023-1989
  • Specification for verification of BJ2970 model high power semiconductor triode tf tester trio
    China Metrological Standards
  • GB/T 6256-1986
  • Blank detail specification forindustrial heating triodes trio
    China National Standards
  • SJ 2271-1983
  • Type 3DG104 silicon NPN epitaxial planar super-high frequency low power triodes trio
    China Electronics Standards
  • HG/T 2956.3-1982
  • (Boron and magnesium ores analysis of boron trioxide) trio
    China Chemical Industry Standards
  • HG/T 3444-1976
  • (Chemicals chromium trioxide) trio
    China Chemical Industry Standards
  • HG 3-934-1976
  • (Chemicals chromium trioxide) trio
    China Chemical Industry Standards
  • SJ 798-1974
  • (3DG162 type NPN silicon epitaxial planar high frequency low power high back pressure triode) trio
    China Electronics Standards
  • SJ 802-1974
  • (3DG182 type NPN silicon epitaxial planar high frequency low power high back pressure triode) trio
    China Electronics Standards
  • HGB 3263-1960
  • (Chromium trioxide (chromic anhydride)) trio
    China Chemical Industry Standards
  • HGB 3273-1960
  • (Boron oxide (boron trioxide)) trio
    China Chemical Industry Standards
  • HGB 3282-1960
  • (trioxide) trio
    China Chemical Industry Standards

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