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	GB/T 39560.4-2021 Determination of certain substances in electrical and electronic products—Part 4: Mercury in polymers, metals and electronics by CV-AAS, CV-AFS , ICP-OES and ICP-MS - 英文版
	GB/T 40720-2021 Rubber,vulcanized rubber—Determination of insulation resistance - 英文版
	GB/T 40797-2021 Rubber, vulcanized or thermoplastic -- Determination of resistance to abrasion -- Driven, vertical abrasive disc method - 英文版
	GB/T 1232.3-2021 Rubber,unvulcanized—Determinations using a shearing-disc viscometer—Part 3:Determination of the Delta Mooney value for non-pigmented,oil-extended emulsion-polymerized SBR - 英文版
	GB/T 1687.4-2021 Rubber,vulcanized—Determination of temperature rise and resistance to fatigue in flexometer testing—Part 4: Constant-stress flexometer - 英文版
	GB/T 40917-2021 Textiles—Determination of perfluorohexane-1-sulphonic acid and its salts - 英文版
	GB/T 18012-2021 Rubber latex -- Determination of pH - 英文版
	GB/T 5990-2021 Refractory materials—Determination of thermal conductivity, specific heat capacity and thermal diffusivity(hot-wire method) - 英文版
	GB/T 40566-2021 Granular polysilicon produced by fluidized bed method—Determination of hydrogen—Pulse heating inert gas fusion infrared absorption method - 英文版
	GB/T 40561-2021 Photovoltaic silicon material—Determination of oxygen—Pulse heating inert gas fusion infrared absorption method - 英文版
	GB/T 261-2021 Determination of flash point—Pensky-Martens closed cup method - 英文版
	GB/T 40747-2021 Determination of fermentable organic matter(FOM) of ruminant feedstuffs in rumen - 英文版
	GB/T 40635-2021 Determination of banned trichloroacetic acid in cosmetics - 英文版
	GB/T 40835-2021 Feed safety evaluation—Determination of rumen degradation of ruminant feedstuffs—Code of practice in feeding trail of cattle - 英文版
	GB/T 40830-2021 Code of practice for the determination of feed true ileal digestible amino acids for pigs (Simple T-cannulation) - 英文版
	GB/T 40644-2021 Determination of geniposidic acid in extract of eucommia ulmoides oliver leaf—HPLC - 英文版
	GB/T 40643-2021 Determination of hyperoside in extract of crataegus pinnatifida leaf—HPLC - 英文版
	GB/T 40642-2021 Determination of 1-deoxynojirimycin in extract of mulberry leaf—HPLC - 英文版
	GB/T 40641-2021 Determination of polyprenol from pine needles—High performance liquid chromatography - 英文版
	GB/T 14949.6-2021 Manganese ores—Determination of copper,lead and zinc content—Flame atomic absorption spectrometric method - 英文版
	GB/T 12690.4-2021 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 4: Determination of oxygen and nitrogen contents—Impulse-infrared absorption and impulse-thermal conductivity method - 英文版
	GB/T 40798-2021 Chemical analysis method of ion-adsorption rare earth ore—Determination of total rare earth contents—Inductively coupled plasma mass spectrometry - 英文版
	GB/T 40795.2-2021 Chemical analysis methods of lanthanum-cerium metals and their compounds—Part 2:Determination of rare earth content - 英文版
	GB/T 40795.1-2021 Chemical analysis method of lanthanum-cerium metals and their compounds—Part 1:Determination of cerium content—Ammonium ferrous sulfate titration method - 英文版
	GB/T 22271.2-2021 Plastics -- Polyoxymethylene(POM) moulding and extrusion materials -- Part 2: Preparation of test specimens and determination of properties - 英文版
	GB/T 23884-2021 Determination of biogenic amines in animal-derived feeds—High performance liquid chromatography - 英文版
	GB/T 18115.4-2021 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides -- Part 4: Determination of lanthanum, cerium, praseodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yt - 英文版
	GB/T 12690.7-2021 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 7: Determination of silicon content - 英文版
	GB/T 40936-2021 Leather—Physical and mechanical tests—Determination of water repellency of garment leather - 英文版
	GB/T 13697-2021 Determination of carbon in uranium oxide powder and pellets—High-frequency inductive furnace combustion-infrared detection method - 英文版

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