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  •  China "GB" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    GB/T 7731.4-2021 Ferrotungsten—Determination of phosphorus content—Phosphorus molybdenum blue spectrophotometric method

    China National - GB Standards
    GB/T 7731.1-2021 Ferrotungsten—Determination of tungsten content—Cinchonine gravimetric method and ammonium nitrate gravimetric method

    China National - GB Standards
    GB/T 7731.10-2021 Ferrotungsten—Determination of carbon content—Infrared absorption method

    China National - GB Standards
    GB/T 7729-2021 Chemical analysis of metallurgical products—General rule for spectrophotometric methods

    China National - GB Standards
    GB/T 7728-2021 Chemical analysis of metallurgical products—General rule for flame atomic absorption spectrometric methods

    China National - GB Standards
    GB/T 7187.1-2021 Fuel oil consumption for transportation ships—Part 1: Calculation method for marine ships

    China National - GB Standards
    GB/T 7163-2021 Requirements of reliability analysis for nuclear power plant safety systems

    China National - GB Standards
    GB/T 6582-2021 Glass—Hydrolytic resisitance of glass grains at 98℃—Method of test and classification

    China National - GB Standards
    GB/T 6580-2021 Glass—Resistance to attack by a boiling aqueous solution of mixed alkali—Method of test and classification

    China National - GB Standards
    GB/T 6328-2021 Test method for shear impact strength of adhesive bonds

    China National - GB Standards
    GB/T 6324.11-2021 Test method of organic chemical products—Part 11：Determination of trace arsenic in liquid products—Atomic fluorescence spectrometric method

    China National - GB Standards
    GB/T 6288-2021 Determination of particle size for granular molecular sieve

    China National - GB Standards
    GB/T 6287-2021 Determination of static adsorbed water for molecular sieve

    China National - GB Standards
    GB/T 6286-2021 Determination of bulk density for molecular sieve

    China National - GB Standards
    GB/T 6132-2021 Interchangeability dimensions for milling cutter or milling cutter arbors

    China National - GB Standards
    GB/T 6110-2021 Drawing dies—Carbide alloy drawing dies—Structural types and dimensions

    China National - GB Standards
    GB/T 6017-2021 Determination of purity and hydrocarbon impurities of butadiene for industrial use—Gas chromatographic method

    China National - GB Standards
    GB/T 6015-2021 Determination of trace dimer and residual extraction agent of butadiene for industrial use—Gas chromatographic method

    China National - GB Standards
    GB/T 5687.13-2021 Ferrochromium—Determination of chromium, silicon, manganese, titanium, vanadium, iron contents—Wavelength dispersive X-ray fluorescence spectrometry (fused cast bead method)

    China National - GB Standards
    GB/T 5235-2021 Designation and chemical composition of wrought nickel and nickel alloy

    China National - GB Standards
    GB/T 5211.14-2021 General methods of test for pigments and extenders—Part 14: Determination of residue on sieve—Mechanical flushing procedure

    China National - GB Standards
    GB/T 5195.11-2021 Fluorspar—Determination of manganese content—Periodate spectrophotometry and flame atomic absorption spectrometry

    China National - GB Standards
    GB/T 5187-2021 Liquid chlorine for industrial use

    China National - GB Standards
    GB/T 4950-2021 Sacrificial anode of zinc alloy

    China National - GB Standards
    GB/T 4706.110-2021 Safety of household and similar electrical appliances—Part 2：Particular requirements for robotic battery powered electrical lawnmowers

    China National - GB Standards
    GB/T 4678.15-2021 Die casting dies—Components—Part 15: Spacer blocks

    China National - GB Standards
    GB/T 4214.15-2021 Test method for noise of household and similar electrical appliances—Particular requirements for electric thermal storage room heaters

    China National - GB Standards
    GB/T 4214.14-2021 Test method for noise of household and similar electrical appliances—Particular requirements for refrigerators, frozen-food storage cabinets and food freezers

    China National - GB Standards
    GB/T 4214.13-2021 Test method for noise of household and similar electrical appliances—Particular requirements for range hoods and other cooking fume extractors

    China National - GB Standards
    GB/T 4214.12-2021 Test method for noise of household and similar electrical appliances—Particular requirements for fan heaters

    China National - GB Standards

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