“Determination of 2-a ” 中國GB標準檢索結果 |
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GB/T 12690.7-2021 （中英文版） Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 7: Determination of silicon content |
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GB/T 40936-2021 （中英文版） Leather—Physical and mechanical tests—Determination of water repellency of garment leather |
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GB/T 13697-2021 （中英文版） Determination of carbon in uranium oxide powder and pellets—High-frequency inductive furnace combustion-infrared detection method |
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GB/T 40704-2021 （中英文版） Natural gas—Determination of odorant tetrahydrothiophene—On-line sampling gas chromatography method |
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GB/T 11060.10-2021 （中英文版） Natural gas—Determination of sulfur compounds—Part 10: Determination of sulfur compounds using gas chromatography method |
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GB/T 9098-2021 （中英文版） Methods for the determination of prohibited substances in furniture products and related materials—Certain phthalate esters |
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GB 31893-2015 （中英文版） Limit and determination of the water-soluble Chromium（Ⅵ）content for cement + No.1 modification sheet |
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GB/T 39500-2020 （中英文版） Leather—Physical and mechanical tests—Determination of apparent density and mass per unit area |
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GB/T 39506-2020 （中英文版） Determination of the poly vinyl chloride (PVC) content of unplasticized poly vinyl chloride (PVC-U) pipes and fittings—Method based on total chlorine content |
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GB/T 39507-2020 （中英文版） Leather—Physical and mechanical tests—Determination of abrasion resistance：Martindale ball plate method |
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GB/T 39520-2020 （中英文版） Test method for determination the residual stress of spring by X-ray diffraction |
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GB/T 39534-2020 （中英文版） Corrosion of metals and alloys—Method for determination of the uniform corrosion rate of stainless steels and nickel based alloys in liquids |
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GB/T 39538-2020 （中英文版） Determination of arsenic, selenium and mercury in coal—Hydride generation-atomic fluorescence spectrometry |
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GB/T 39539-2020 （中英文版） Technical requirements for determination of gas diffusion coefficient in shale reservoir |
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GB/T 39540-2020 （中英文版） Fast determination of shale gas composition—Laser Raman spectroscopy |
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GB/Z 39124-2020 （中英文版） Method for chemical analysis of lead concentrates—Determination of antimony content—Ce(SO4)2 titration method |
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GB/T 39137-2020 （中英文版） Determination for the orientation of refractory metal single crystal |
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GB/T 39138.1-2020 （中英文版） Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 1：Determination of gold content—Potentiometric titration using ferrous sulfate |
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GB/T 39138.2-2020 （中英文版） Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 2：Determination of nickel content—Dimethylglyoxime gravimetric method |
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GB/T 39138.3-2020 （中英文版） 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 |
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GB/T 39143-2020 （中英文版） Methods for chemical analysis of gold-arsenic alloys—Determination of arsenic content—Inductively coupled plasma atomic emission spectrometry |
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GB/T 39193-2020 （中英文版） Ambient air—Determination of particulate matter mass concentration—Gravimetric method |
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GB/T 39221-2020 （中英文版） Determination for performance of scale inhibitors for reverse osmosis seawater desalination—Recurrent condensation cycle test method |
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GB/T 34609.2-2020 （中英文版） Method for chemical analysis of rhodium compounds—Part 2: Determination of silver,gold,platinum...potassium,chromium and silicon contents—Inductively coupled plasma atomic emission spectrometry |
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GB/T 20975.6-2020 （中英文版） Methods for chemical analysis of aluminium and aluminium alloys—Part 6: Determination of cadmium content |
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GB/T 20975.21-2020 （中英文版） Methods for chemical analysis of aluminium and aluminium alloy—Part 21: Determination of calcium content |
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GB/T 20975.17-2020 （中英文版） Methods for chemical analysis of aluminium and aluminium alloys—Part 17: Determination of strontium content |
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GB/T 8151.22-2020 （中英文版） Methods for chemical analysis of zinc concentrates—Part 22: Determination of zinc, copper, lead,iron,aluminium ,calcium and magnesium contents—Wavelength dispersive X-ray fluorescence spectrometric method |
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GB/T 8151.23-2020 （中英文版） Methods for chemical analysis of zinc concentrates—Part 23: Determination of mercury content—Solid sampling and direct mercury analysis method |
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GB/T 39100-2020 （中英文版） Determination of antioxidant activity for polypeptides—DPPH and ABTS methods |
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