China Method of determinat GB Standards Search Result

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	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 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 13697-2021 Determination of carbon in uranium oxide powder and pellets—High-frequency inductive furnace combustion-infrared detection method - 英文版
	GB/T 40704-2021 Natural gas—Determination of odorant tetrahydrothiophene—On-line sampling gas chromatography method - 英文版
	GB/T 11060.10-2021 Natural gas—Determination of sulfur compounds—Part 10: Determination of sulfur compounds using gas chromatography method - 英文版
	GB/T 9098-2021 Methods for the determination of prohibited substances in furniture products and related materials—Certain phthalate esters - 英文版
	GB/T 39506-2020 Determination of the poly vinyl chloride (PVC) content of unplasticized poly vinyl chloride (PVC-U) pipes and fittings—Method based on total chlorine content - 英文版
	GB/T 39507-2020 Leather—Physical and mechanical tests—Determination of abrasion resistance：Martindale ball plate method - 英文版
	GB/T 39520-2020 Test method for determination the residual stress of spring by X-ray diffraction - 英文版
	GB/T 39534-2020 Corrosion of metals and alloys—Method for determination of the uniform corrosion rate of stainless steels and nickel based alloys in liquids - 英文版
	GB/Z 39124-2020 Method for chemical analysis of lead concentrates—Determination of antimony content—Ce(SO4)2 titration method - 英文版
	GB/T 39138.1-2020 Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 1：Determination of gold content—Potentiometric titration using ferrous sulfate - 英文版
	GB/T 39138.2-2020 Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 2：Determination of nickel content—Dimethylglyoxime gravimetric method - 英文版
	GB/T 39138.3-2020 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 - 英文版
	GB/T 39143-2020 Methods for chemical analysis of gold-arsenic alloys—Determination of arsenic content—Inductively coupled plasma atomic emission spectrometry - 英文版
	GB/T 39193-2020 Ambient air—Determination of particulate matter mass concentration—Gravimetric method - 英文版
	GB/T 39221-2020 Determination for performance of scale inhibitors for reverse osmosis seawater desalination—Recurrent condensation cycle test method - 英文版
	GB/T 34609.2-2020 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 - 英文版
	GB/T 20975.6-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 6: Determination of cadmium content - 英文版
	GB/T 20975.21-2020 Methods for chemical analysis of aluminium and aluminium alloy—Part 21: Determination of calcium content - 英文版
	GB/T 20975.17-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 17: Determination of strontium content - 英文版
	GB/T 8151.22-2020 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 - 英文版
	GB/T 8151.23-2020 Methods for chemical analysis of zinc concentrates—Part 23: Determination of mercury content—Solid sampling and direct mercury analysis method - 英文版
	GB/T 39100-2020 Determination of antioxidant activity for polypeptides—DPPH and ABTS methods - 英文版
	GB/T 39101-2020 Determination of antimicrobial activity for polypeptides—Inhibition zone method - 英文版

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