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	GB/T 223.91-2021 Iron, steel and alloy—Determination of copper—2,2’-Biquinoline spectrophotometric method - 英文版
	GB/T 40272-2021 Paper,board,pulps and cellulose nanomaterials—Determination of acid-soluble magnesium,calcium,manganese,iron,copper,sodium and potassium - 英文版
	GB/T 40114-2021 Jewellery—Determination of precious metal content—Difference method using inductively coupled plasma optical emission spectroscopy - 英文版
	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 7739.4-2021 Methods for chemical analysis of gold concentrates—Part 4:Determination of copper content - 英文版
	GB/T 39994-2021 Determination of six metal elements (iron, calcium, magnesium, zinc, titanium,copper) in polyolefin pipe system - 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 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 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 14949.6-2021 Manganese ores—Determination of copper,lead and zinc content—Flame atomic absorption spectrometric method - 英文版
	GB/T 39540-2020 Fast determination of shale gas composition—Laser Raman spectroscopy - 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 38783-2020 Method of coating thickness determination for precious metal composites by scanning electron microscope - 英文版
	GB/T 38812.3-2020 Direct reduced iron—Determination of silicon, manganese, phosphorus, vanadium, titanium, copper, aluminum, arsenic, magnesium, calcium, potassium and sodium content—Inductively coupled plasma atomic emission spectrometric method - 英文版
	GB/T 8704.10-2020 Ferrovanadium—Determination of silicon, manganese, phosphorus, aluminum, copper, chromium, nickel and titanium contents— Inductively coupled plasma atomic emission spectrometric method - 英文版
	GB/T 5687.12-2020 Ferrochromium—Determination of phosphorus, aluminum, titanium, copper, manganese, calcium content—Inductively coupled plasma atomic emission spectrometric method - 英文版
	GB/T 39356-2020 Determination of total nickel,total cobalt,total selenium, total vanadium, total stibium,total thallium in fertilizers — Inductively coupled plasma optical emission spectroscopy - 英文版
	GB 23200.117-2019 National food safety standard - Determination of oxine-copper residue infoods of plant origin - High performance liquid chromatography - 英文版
	GB/T 38396-2019 Pitch products of coal carbonization—Determination of mesophase content—Microscopical analysis by reflected light - 英文版
	GB/T 38386-2019 Gas analysis—Determination of oxynitride in gases—The method of Cavity Ring-Down Spectroscopy - 英文版
	GB/T 8647.11-2019 Methods for chemical analysis of nickel－Part 11：Determination of magnesium，aluminum，manganese，cobalt，copper，zinc，cadmium，tin，antimony，lead，bismuth contents－Inductively coupled plasma mass spectrometry - 英文版
	GB/T 38441-2019 Pig iron and cast—Determination of chromium，copper，magnesium，manganese，molybdenum，nickel，phosphorus，tin，titanium，vanadium and silicon content—Inductively coupled plasma atomic emission spectrometric method - 英文版
	GB/T 4698.21-2019 Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 21: Determination of manganese, chromium, nickel, aluminum, molybdenum, tin, vanadium, yttrium, copper and zirconium content—Atomic emission spectrometry - 英文版
	GB/T 15076.3-2019 Methods for chemical analysis of tantalum and niobium—Part 3：Determination of copper content—Flame atomic absorption spectrometry - 英文版
	GB/T 13747.6-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 6：Determination of copper content—2,9-Dimethyl-1,10-phenanthroline spectrophotometry - 英文版
	GB/T 37186-2018 Gas analysis—Determination of sulfur dioxide and nitrogen oxides—Ultraviolet differential optical absorption spectroscopy - 英文版
	GB/T 37211.2-2018 Methods for chemical analysis of germanium metal—Part 2：Determination of aluminium,iron,copper,nickle,lead,cadmium, magnesium,cobalt,indium,zinc content—Inductively coupled plasma mass spectrometry method - 英文版
	GBZ/T 316.3-2018 Determination of lead in blood - Part 3: Atomic fluorescence spectroscopy - 英文版
	GB/T 36226-2018 Stainless steel—Determination of manganse, nickel, chromium, molybdenum, copper and titanium—Handheld energy dispersive X-Ray fluorescence spectrometric method (semiquantitative method) - 英文版

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