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	GB/T 40110-2021 Surface chemical analysis - Determination of surface elemental contamination on silicon wafers by total-reflection X-ray fluorescence (TXRF) spectroscopy - 英文版
	GB/T 40109-2021 Surface chemical analysis - Secondary-ion mass spectrometry - Method for depth profiling of boron in silicon - 英文版
	GB/T 8152.15-2021 Methods for chemical analysis of lead concentrates—Part 15:Determination of soluble lead content—Flame atomic absorption spectrometry - 英文版
	GB/T 7739.4-2021 Methods for chemical analysis of gold concentrates—Part 4:Determination of copper content - 英文版
	GB/T 11066.11-2021 Methods for chemical analysis of gold-Part 11:Determination of magnesium，chromium，manganese，iron，nickel copper，palladium，silver，tin，antimony，lead and bismuth contents-Inductively coupled plasma mass spectrometry - 英文版
	GB/T 8151.24-2021 Methods for chemical analysis of zinc concentrates—Part 24:Determination of soluble zinc content—Flame atomic absorption spectrometry - 英文版
	GB/T 14352.22-2021 Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 22：Determination of antimony content -- Hydride generation atomic fluorescence spectrometry - 英文版
	GB/T 14352.21-2021 Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 21: Determination of arsenic content -- Hydride generation atomic fluorescence spectrometry - 英文版
	GB/T 14352.20-2021 Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 20：Determination of niobium，tantalum，zirconium，hafnium and 15 rare earth elements content -- Inductively coupled plasma mass spectrometry - 英文版
	GB/T 14352.19-2021 Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 19: Determination of bismuth, cadmium, cobalt, copper, iron, lithium, nickel, phosphorus, lead, strontium, vanadium and zinc content -- Inductive-coupled plasma atomic emission spe - 英文版
	GB/T 5121.28-2021 Methods for chemical analysis of copper and copper alloys—Part 28：Determination of chromium,iron,manganese,cobalt,nickel,zinc,arsenic,selenium,silver,cadmium,tin,antimony,tellurium,lead and bismuth content—Inductively coupled plasma-mass spectrometry - 英文版
	GB/T 41073-2021 Surface chemical analysis -- Electron spectroscopies -- Minimum reporting requirements for peak fitting in X-ray photoelectron spectroscopy - 英文版
	GB/T 29732-2021 Surface chemical analysis—Medium resolution auger electron spectrometers—Calibration of energy scales for elemental analysis - 英文版
	GB/T 41064-2021 Surface chemical analysis—Depth profiling—Method for sputter rate determination in X-ray photoelectron spectroscopy, Auger electron spectroscopy and secondary-ion mass spectrometry sputter depth profiling using single and multi-layer thin films - 英文版
	GB/T 12690.8-2021 Chemical Analysis Methods for non-rare earth impurities of rare earth metals and their oxides—Part 8:Determination of sodium content - 英文版
	GB/T 16399-2021 Methods for chemical analysis of clay - 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/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 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

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