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	GB/T 38397-2019 Coal tar—Determination of component content—Gas chromatography-mass spectrometry and thermogravimetry - 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 38395-2019 Coal tar—Determination of sulfur and nitrogen content - 英文版
	GB/T 38394-2019 Coal tar—Determination of sodium, calcium, magnesium and iron content—Inductively coupled plasma optical emission spectrometry - 英文版
	GB/T 38339-2019 Determination of phosphorus content in fluorescent brightener products - 英文版
	GB/T 19941.2-2019 Leather and fur—Determination of formaldehyde content—Part 2: Colorimetric method - 英文版
	GB/T 20899.1-2019 Methods for chemical analysis of gold ores—Part 1:Determination of gold content - 英文版
	GB/T 19941.3-2019 Leather and fur—Determination of formaldehyde content—Part 3: Formaldehyde emissions - 英文版
	GB/T 19941.1-2019 Leather and fur—Determination of formaldehyde content—Part 1: High performance liquid chromatography method - 英文版
	GB/T 15076.2-2019 Methods for chemical analysis of tantalum and niobium—Part 2:Determination of niobium content in tantalum—Inductively coupled plasma atomic emission spectrometry and stratography gravimetry - 英文版
	GB/T 15076.10-2019 Methods for chemical analysis of tantalum and niobium—Part 10:Determination of iron,nickel,chromium,titanium, zirconium,aluminum and manganese contents in niobium—Direct current arc atomic emission spectrometry - 英文版
	GB/T 13747.7-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 7：Determination of manganese content—Patassium periodate spectrometry and inductively coupled plasma atomic emission spectrometry - 英文版
	GB/T 13747.2-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 2：Determination of iron content—1,10-phenanthroline spectrophotometry and inductively coupled plasma atomic emission spectrometry - 英文版
	GB/T 13747.12-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 12：Determination of silicon content—Molybdenum blue spectrophotometry - 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 7739.3-2019 Methods for chemical analysis of gold concerntrates—Part 3:Determination of arsenic content - 英文版
	GB/T 7739.2-2019 Methods for chemical analysis of gold concentrates—Part 2:Determination of silver content—Flame atomic absorption spectrometric method - 英文版
	GB/T 7739.1-2019 Methods for chemical analysis of gold concerntrates—Part 1：Determination of gold and silver contents - 英文版
	GB/T 38261-2019 Nanotechnology—Determination of silver contents in biological samples—Inductively coupled plasma mass spectrometry - 英文版
	GB/T 20899.3-2019 Methods for chemical analysis of gold ores—Part 3:Determination of arsenic content - 英文版
	GB/T 20899.2-2019 Methods for chemical analysis of gold ores一Part 2:Determination of silver content 一Flame atomic absorption spectrometric method - 英文版
	GB/T 15000.4-2019 Directives for the work of reference materials—Part 4：Contents of certificates,labels and accompanying documentation - 英文版
	GB/T 14506.33-2019 Methods for chemical analysis of silicate rocks—Part 33: Determination of arsenic, stibium, bismuth and mercury elements content—Hydride generation atomic fluorescence spectrometry - 英文版
	GB/T 223.88-2019 Iron, steel and alloy—Determination of calcium and magnesium contents—Inductively coupled plasma atomic emission spectrometric method - 英文版
	GB/Z 37839-2019 Information model covering the contents of GB/T 5094.1、GB/T 5094.2、GB/T 16679、 GB/T 18656 and GB/T 16901.3 - 英文版
	GB/T 37668-2019 Information technology—Internet content accessibility technical requirements and conformance testing - 英文版
	GB/T 25104-2019 Automatic measurement of water content in crude oil—RF method - 英文版
	GB/T 18882.3-2019 Chemical analysis methods for mixed rare earth oxide of ion-absorption rare earth ore—Part 3: Determination of silicon dioxide content - 英文版
	GB/T 12442-2019 Test method for the hydroxyl groups content of silica glass - 英文版
	GB/T 8152.14-2019 Methods for chemical analysis of lead concentrates—Part 14: Determination of silicon dioxide content—Molybdenum blue spectrophotometry - 英文版

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