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GB/T 13747.4-2020 Methods for chemical analysis of zirconium and zirconium alloys--Part 4: Determination of chromium content--Diphenylcarbazide spectrophotometry andinductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 13747.3-2020 Methods for chemical analysis of zirconium and zirconium alloys--Part 3: Determination of nickel content--Dimethyglyoxime spectrophotometry andinductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 13747.27-2020 Methods for chemical analysis of zirconium and zirconium alloys--Part 27: Determination of trace impurities content--Inductively coupled plasma mass spectrometry - 英文版 |
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GB/T 39285-2020 Method for chemical analysis of palladium compounds—Determination of chlorine content—Ion chromatography - 英文版 |
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GB/T 20975.8-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 8:Determination of zinc content - 英文版 |
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GB/T 20975.34-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 34:Determination of sodium content—Flame atomic absorption spectrometric method - 英文版 |
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GB/T 20975.33-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 33:Determination of potassium content—Flame atomic absorption spectrometric method - 英文版 |
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GB/T 20975.32-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 32:Determination of bismuth content - 英文版 |
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GB/T 20975.20-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 20:Determination of gallium content—Butyrhodamine B spectrophotometric method - 英文版 |
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GB/T 20975.19-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 19:Determination of zirconium content - 英文版 |
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GB/T 20975.15-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 15:Determination of boron content - 英文版 |
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GB/T 20975.13-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 13:Determination of vanadium content - 英文版 |
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GB/T 18115.2-2020 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 2: Determination of lanthanum, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yt - 英文版 |
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GB/T 18115.1-2020 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 1: Determination of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttri - 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 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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