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GB/T 38261-2019 Nanotechnology—Determination of silver contents in biological samples—Inductively coupled plasma mass spectrometry - 英文版 |
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GB/T 20899.3-2019 Methods for chemical analysis of gold ores—Part 3:Determination of arsenic content - 英文版 |
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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 |
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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 |
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GB/T 38411-2019 Leather chemicals—Determination of the free formaldehyde in leather process auxiliaries - 英文版 |
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GB/T 38410-2019 Leather chemicals—Determination of tannin content in tanning agent—Filter method - 英文版 |
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GB/T 38409-2019 Leather—Chemical tests—Determination of N-methyl-2-pyrrolidone（NMP) and N-ethyl-2-pyrrolidone (NEP) content - 英文版 |
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GB/T 38407-2019 Leather and fur chemicals—Determination of chromium (VI) and the reductive potential for chromium tanning agents - 英文版 |
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GB/T 38406-2019 Leather chemicals—Determination of tannin content in synthetic tanning agents - 英文版 |
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GB/T 38405-2019 Leather and fur—Chemical tests—Determination of short-chain chlorinated paraffins - 英文版 |
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GB/T 38403-2019 Leather and fur—Chemical tests—Determination of the preservative (TCMTB, PCMC, OPP, OIT) content:Liquid chromatography - 英文版 |
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GB/T 38402-2019 Leather and fur—Chemical tests—Determination of chromium(VI) content:Chromatographic method - 英文版 |
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GB/T 38401-2019 Leather and fur—Chemical tests—Determination of dimethyl formamide content - 英文版 |
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GB/T 38396-2019 Pitch products of coal carbonization—Determination of mesophase content—Microscopical analysis by reflected light - 英文版 |
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GB/T 38394-2019 Coal tar—Determination of sodium, calcium, magnesium and iron content—Inductively coupled plasma optical emission spectrometry - 英文版 |
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GB/T 20899.1-2019 Methods for chemical analysis of gold ores—Part 1:Determination of gold content - 英文版 |
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GB/T 19942-2019 Leather and fur—Chemical tests—Determination of banned azo colorants - 英文版 |
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GB/T 16310.5-2019 Specification on evaluation method of hazards of liquid chemical transported in bulk by shipping－Part 5: Hazard evaluation procedure and determination of pollution category - 英文版 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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GB/T 7739.3-2019 Methods for chemical analysis of gold concerntrates—Part 3:Determination of arsenic content - 英文版 |
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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 |
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GB/T 7739.1-2019 Methods for chemical analysis of gold concerntrates—Part 1：Determination of gold and silver contents - 英文版 |
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GB/T 38261-2019 Nanotechnology—Determination of silver contents in biological samples—Inductively coupled plasma mass spectrometry - 英文版 |
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GB/T 20899.3-2019 Methods for chemical analysis of gold ores—Part 3:Determination of arsenic content - 英文版 |
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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 |
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