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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "content" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • GB/T 35809-2018
  • Method for analysis of forestry biomass—Determination of protein content content
    China National Standards
  • GB/T 35816-2018
  • Standard method for analysis of forestry biomass-Determination of extractives content content
    China National Standards
  • GB/T 35811-2018
  • Method for analysis of forestry biomass—Determination of starch content content
    China National Standards
  • GB/T 36058-2018
  • Method for analysis of forestry biomas—Determination of insoluble saccharides content content
    China National Standards
  • GB/T 35867-2018
  • Inspection of grain and oils—Determination of phospholipids content in lecithins—high performance liquid chromatography using a light-scattering detector content
    China National Standards
  • GB/T 36056-2018
  • Method for analysis of forestry biomass—Determination of soluble saccharides content content
    China National Standards
  • GB/T 35871-2018
  • Inspection of grain and oils—Determination of calcium, potassium,magnesium, sodium, iron, phosphorus, zinc, copper, manganese, boron, barium, molybdenum, cobalt, chromium, lithium, strontium, nickel, sulfur, vanadium, selenium, rubidium contents in cere content
    China National Standards
  • GB/T 36057-2018
  • Method for analysis of forestry biomass—Determination of ash content content
    China National Standards
  • GB/T 36055-2018
  • Method for analysis of forestry biomass—Determination of moisture content content
    China National Standards
  • GB/T 35860-2018
  • Gas analysis—contents of certificates for calibration gas mixtures content
    China National Standards
  • GB/T 35931-2018
  • Test method for neps and short fiber content of cotton fibers—Photoelectric analyser content
    China National Standards
  • GB/T 35859-2018
  • Determination of ethylene glycol monoethyl ether insoluble contents in polymer materials for offset printing plates—Filtering method content
    China National Standards
  • GB/T 35923-2018
  • Optical functional film—Cellulose triacetate(TAC) film—Determination of plasticizer content content
    China National Standards
  • GB/T 35821-2018
  • Determination of biomass content in biomass/plastic composites content
    China National Standards
  • GB/T 35996-2018
  • Rapid determination of eight elements content for phosphate rock and concentrate—X-ray fluorescence spectrometry content
    China National Standards
  • GB/T 35843-2018
  • Test method of fiber content of fiber reinforced concrete and its product content
    China National Standards
  • GB/T 15904-2018
  • Rubber—Determination of polyisoprene content content
    China National Standards
  • GB/T 25623-2017
  • Earth-moving machinery—Operator training—content and methods content
    China National Standards
  • GB/T 34683-2017
  • Determination of formaldehyde content in water-borne coatings—High performance liquid chromatographic method content
    China National Standards
  • GB/T 34706-2017
  • Determination of organotins content in coatings—Gas chromatography/mass spectrometry method content
    China National Standards
  • GB/T 34723-2017
  • Residual styrene monomer content determination in unsaturated polyester decorative wood-based panels by gas chromatography content
    China National Standards
  • GB/T 7602.4-2017
  • Quantitative determination of T501 oxidation inhibitor content in transformer oil or turbine oil—Part 4: GC/MS method content
    China National Standards
  • GB/T 34694-2017
  • Plastic—Determination of residual chloride content of chlorinated poly (vinyl chloride)resins—Potentiometric titration method content
    China National Standards
  • GB/T 34764-2017
  • Determination of copper,iron,zinc,manganese,boron and molybdenum content in fertilizers—Inductively coupled plasma optical emission spectroscopy content
    China National Standards
  • GB/T 13885-2017
  • Determination of the contents of calcium, copper, iron, magnesium, manganese, potassium, sodium and zinc in feeds—Method using atomic absorption spectrometry content
    China National Standards
  • GB/T 34972-2017
  • Determination of metal content in gases—Inductively coupled plasma mass spectrometry method content
    China National Standards
  • GB/T 34682-2017
  • Determination of volatile organic compound(VOC) content in reactive diluent containing coatings content
    China National Standards
  • GB/T 34766-2017
  • Determination of total humic acid content from mineral source content
    China National Standards
  • GB/T 2930.8-2017
  • Rules of seed testing for forage, turfgrass and other herbaceous plant—Determination of moisture content content
    China National Standards
  • GB/T 34675-2017
  • Determination of volatile organic compound(VOC) content in radiation curable coatings content
    China National Standards
  • GB/T 34520.1-2017
  • Test methods for continuous silicon carbide fiber—Part 1:Size content of filament yarn content
    China National Standards
  • GB/T 34765-2017
  • Determination of mineral fulvic acids content content
    China National Standards
  • GB/T 12690.5-2017
  • Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 5: Determination of cobalt,manganese,lead,nickel,copper,zinc,aluminum,chromium,magnesium,cadmium,vanadium and iron contents content
    China National Standards
  • GB/T 15076.13-2017
  • Methods for chemical analysis of tantalum and niobium—Part 13: Determination of nitrogen content—Inert gas fusion thermal conductivity method content
    China National Standards
  • GB/T 10574.12-2017
  • Methods for chemical analysis of tin-lead solders—Part 12:Determination of sulfur content—High frequency combustion with infrared absorption method content
    China National Standards
  • GB/T 12690.6-2017
  • Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 6: Determination of iron content—Kslium thiocyanate, 1,10-Phenanthroline spectrophotometric method content
    China National Standards
  • GB/T 10574.7-2017
  • Methods for chemical analysis of tin-lead solders—Part 7:Determination of silver content—Flame atomic absorption spectrometry and potassium thiocyanate potentiometric titration content
    China National Standards
  • GB/T 10574.9-2017
  • Methods for chemical analysis of tin-lead solders—Part 9:Determination of aluminium content—Graphite furnace atomic absorption spectrometric method content
    China National Standards
  • GB/T 15076.5-2017
  • Methods for chemical analysis of tantalum and niobium—Part5:Determination of molybdenum and tungsten contents—Inductively coupled plasma atomic emission spectrometry content
    China National Standards
  • GB/T 16484.13-2017
  • Chemical analysis methods for rare earth chloride and light rare erath carbonate--Part 13: Determination of ammonium chloride content content
    China National Standards
  • GB/T 10574.11-2017
  • Methods for chemical analysis of tin-lead solders—Part 11:Determination of phosphorus content—Crystal violet phosphorus-vanadium-molybdeum heteropoly acid spectrophotometry content
    China National Standards
  • GB/T 15076.1-2017
  • Methods for chemical analysis of tantalum and niobium—Part 1: Determination of tantalum content in niobium—Inductively coupled plasma atomic emission spectrometry content
    China National Standards
  • GB/T 34500.4-2017
  • Chemical analysis methods for rare earth waste residue and waste water—Part 4: Determination of copper, zinc, lead, chromium, cadmium, barium, cobalt, manganese, nickel and titanium contents—Inductively coupled plasma emission spectrometry content
    China National Standards
  • GB/T 34500.1-2017
  • Chemical analysis methods for rare earth residue and waste water—Part 1:Determination of fluorine content—Ion selective electrode analysis content
    China National Standards
  • GB/T 10574.14-2017
  • Methods for chemical analysis of tin-lead solders—Part 14:Determination of tin, lead,antimony,bismuth,silver,copper,zinc,cadmium and arsenic content—Optical emission spectrometry content
    China National Standards
  • GB/T 10574.13-2017
  • Methods for chemical analysis of tin-lead solders—Part 13:Determination of antimony,bismuth,iron,arsenic,copper,silver,zinc,aluminium,cadmium,phosphorous and gold contents—Inductively coupled plasma atomic emission spectrometric method content
    China National Standards
  • GB/T 10574.10-2017
  • Methods for chemical analysis of tin-lead solders—Part 10:Determination of cadmium content—Flame atomic absorption spectrometry and Na2EDTA titration method content
    China National Standards
  • GB/T 10574.8-2017
  • Methods for chemical analysis of tin-lead solders—Part 8:Determination of zinc content—Flame atomic absorption spectrometric method content
    China National Standards
  • GB/T 34532-2017
  • Coking wastewater—Determination of ammonia nitrogen content—Formaldehyde method content
    China National Standards
  • GB/T 8152.13-2017
  • Methods for chemical analysis of lead concentrates—Part 13:Determination of thallium content—Inductively coupled plasma mass spectrometry and inductively coupled plasma-atomic emission spectrometry content
    China National Standards
  • GB/T 8151.21-2017
  • Methods for chemical analysis of zinc concentrates—Part 21:Determination of thallium content—Inductively coupled plasma mass spectrometry and inductively coupled plasma-atomic emission spectrometry content
    China National Standards
  • GB/T 12690.18-2017
  • Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides— Part 18: Determination of zirconium content content
    China National Standards
  • GB/T 34609.1-2017
  • Method for chemical analysis of rhodium compounds—Part 1: Determination of rhodium content—Gravimetric method with hexaammine cobalt nitrate content
    China National Standards
  • GB/T 6730.14-2017
  • Iron ores—Determination of calcium content—Flame atomic absorption spectrometric method content
    China National Standards
  • GB/T 18882.2-2017
  • Chemical analysis methods for mixed rare earth oxide of ion-absorpted type rare earth ore—Part 2:Determination of aluminum oxide content content
    China National Standards
  • GB/T 6730.49-2017
  • Iron ores—Determination of potassium content—Flame atomic absorption spectrometric method content
    China National Standards
  • GB/T 6730.75-2017
  • Iron ores—Determination of sodium content—Flame atomic absorption spectrometric method content
    China National Standards
  • GB/T 5124.4-2017
  • Hardmetals—Part 4:Determination of titanium content—Photometric peroxide method content
    China National Standards
  • GB/T 5195.6-2017
  • Fluorspar—Determination of phosphorus content—Photometric method content
    China National Standards
  • GB/T 1819.12-2017
  • Methods for chemical analysis of tin concentrates—Part 12:Determination of silicon dioxide content—The silicomolybdenum blue spectrophotometry and sodium hydroxide titration content
    China National Standards
  • GB/T 13747.24-2017
  • Methods for chemical analysis of zirconium and zirconium alloys—Part 24:Determination of carbon content—Infrared absorption method after high frequency combustion content
    China National Standards
  • GB/T 13747.11-2017
  • Methods for chemical analysis of zirconium and zirconium alloys—Part 11: Determination of molybdenum content—Thiocyanate spectrophotometry content
    China National Standards
  • GB/T 4698.19-2017
  • Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 19:Determination of molybdenum content—Thiocyanate-differential spectrophotometry content
    China National Standards
  • GB/T 1819.14-2017
  • Methods for chemical analysis of tin concentrates—Part 14:Determination of copper content—Flame atomic absorption spectrometry content
    China National Standards
  • GB/T 1819.10-2017
  • Methods for chemical analysis of tin concentrates—Part 10: Determination of sulfur content—High frequency combustion with infrared absorption method and potassium iodate titrimetric method content
    China National Standards
  • GB/T 34499.1-2017
  • Method for chemical analysis of iridium compounds—Part 1: Determination of iridium content—Electricity titration using ferrous sulfate content
    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 content
    China National Standards
  • GB/T 13747.21-2017
  • Methods for chemical analysis of zirconium and zirconium alloys—Part 21:Determination of hydrogen content—Inert gas fusion-infrared absorption or thermal conductivity method content
    China National Standards
  • GB/T 13747.25-2017
  • Methods for chemical analysis of zirconium and zirconium alloys—Part 25:Determination of niobium content—2-(5-bromo-2-pyridylazo)-5-diethylam inophenol spectrophotometry and inductively coupled plasma atomic emission spectrometry content
    China National Standards
  • GB/T 1819.16-2017
  • Methods for chemical analysis of tin concentrats—Part 16:Determination of siliver content—Flame atomic absorption spectrometry content
    China National Standards
  • GB/T 13747.22-2017
  • Methods for chemical analysis of zirconium and zirconium alloys—Part 22:Determination of oxygen and nitrogen contents—Inert gas fusion-infrared absorption and thermal conductivity method content
    China National Standards
  • GB/T 4698.23-2017
  • Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Part 23:Determination of palladium content—Stannous choride-potassium iodide spectrophotometry and inductively coupled plasma atomic emission spectrometry content
    China National Standards
  • GB/T 4698.3-2017
  • Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 3:Determination of silicon content—Molybdenum blue spectrophotometry content
    China National Standards
  • GB/T 1819.11-2017
  • Methods for chemical analysis of tin concentrates—Part 11:Determination of aluminium oxide content—Chromazuzal S spectrophotometric method content
    China National Standards
  • GB/T 4698.8-2017
  • Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 8:Determination of aluminum content—Separation with sodium hydroxide-EDTA complex-metric titration and inductively coupled plasma atomic emission spectrometry content
    China National Standards
  • GB/T 13747.1-2017
  • Methods for chemical analysis of zirconium and zirconium alloys—Part 1:Determination of tin content—Potassium iodate titration and phenylfluorone-polyethylene glycoloctyl phenyl ether spectrophotometry content
    China National Standards
  • GB/T 13747.17-2017
  • Methods for chemical analysis of zirconium and zirconium alloys—Part 17:Determination of cadmium content—Polarography content
    China National Standards
  • GB/T 4698.12-2017
  • Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 12:Determination of vanadium content—Ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry content
    China National Standards
  • GB/T 4698.25-2017
  • Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 25:Determination of chlorine content—Silver chlorin spectrophotometry content
    China National Standards
  • GB/T 13747.13-2017
  • Methods for chemical analysis of zirconium and zirconium alloys—Part 13: Determination of lead content—Polarography content
    China National Standards
  • GB/T 1819.17-2017
  • Methods for chemical analysis of tin concentrates—Part 17:Determination of mercury content—Atomic fluorescence spectrometric method content
    China National Standards
  • GB/T 13747.14-2017
  • Methods for chemical analysis of zirconium and zirconium alloys—Part 14:Determination of uranium content—Polarography content
    China National Standards
  • GB/T 1819.7-2017
  • Methods for chemical analysis of tin concentrates—Part 7:Determination of bismuth content—Flame atomic absorption spectrometric method content
    China National Standards
  • GB/T 1819.15-2017
  • Methods for chemical analysis of tin concentrates—Part 15:Determination of fluorine content—The ion-selective electrode method content
    China National Standards
  • GB/T 13747.15-2017
  • Methods for chemical analysis of zirconium and zirconium alloys—Part 15:Determination of boron content—Curcumin spectrophotometry content
    China National Standards
  • GB/T 20899.13-2017
  • Methods for chemical analysis of gold ores-Part 13: Determination of lead,zinc,bismuth,cadminum,chromium,arsenic and mercury contents —Inductively coupled plasma atomic emission spectrometry content
    China National Standards
  • GB/T 4698.5-2017
  • Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 5:Determination of molybdenum content—Thiocyanate spectrophotometry and inductively coupled plasma atomic emission spectrometry content
    China National Standards
  • GB/T 13747.8-2017
  • Methods for chemical analysis of zirconium and zirconium alloys—Part 8:Determination of cobalt content—Nitroso-R-salt spectrophotometry content
    China National Standards
  • GB/T 34499.2-2017
  • Methods for chemical analysis of iridium compounds—Part 2:Determination of silver, gold, platinum, palladium, rhodium, ruthenium, aluminium, copper, iron, nickel, lead, magnesium, manganese, tin, zinc, calcium, sodium, potassium, silicon content—Ind content
    China National Standards
  • GB/T 4698.24-2017
  • Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 24:Determination of nickel content—Dimethylglyoxime spectrophotometry and inductively coupled plasma atomic emission spectrometry content
    China National Standards
  • 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 content
    China National Standards
  • GB/T 4698.13-2017
  • Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Part 13:Determination of zirconium content—EDTA complexometric titration and inductively coupled plasma atomic emission spectrometry content
    China National Standards
  • GB/T 4698.27-2017
  • Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 27:Determination of neodymium content—Inductively coupled plasma atomic emission spectrometry content
    China National Standards
  • GB/T 1819.13-2017
  • Methods for chemical analysis of tin concentrates—Part 13: Determination of magnesium oxide content,calcium oxide content—Flame atomic absorption spectrometric method content
    China National Standards
  • GB/T 4698.22-2017
  • Methods for chemical analysis of titanium sponge ,titanium and titanium alloys—Part 22:Determination of niobium content—5-Br-PADAP spectrophotometry and inductively coupled plasma atomic emission spectrometry content
    China National Standards
  • GB/T 1819.8-2017
  • Methods for chemical analysis of tin concentrates—Part 8:Determination of zinc content—Flame atomic absorption spectrometric method content
    China National Standards
  • GB/T 4698.20-2017
  • Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 4:Determination of manganese content—Potassium periodate spectrophotometry and inductively coupled plasma atomic emission spectrometry content
    China National Standards
  • GB/T 3884.19-2017
  • Methods for chemical analysis of copper concentrates—Part 19: Determination of thallium content—Inductively coupled plasma mass spectrometry content
    China National Standards
  • GB/T 4698.18-2017
  • Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 18:Determination of tin content—Flame atomic absorption spectrometry content
    China National Standards
  • GB/T 20899.14-2017
  • Methods for chemical analysis of gold ores-Part 14: Determination of thallium content - Inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry content
    China National Standards

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