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GB/T 26416.5-2022 Methods for chemical analysis of rare earth iron alloys - Part 5: Determination of oxygen content - Pulse-infrared absorption method - 英文版 |
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GB/T 26416.4-2022 Methods for chemical analysis of rare earth iron alloys - Part 4: Determination of iron content - Potassium dichromate titration method - 英文版 |
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GB/T 26416.3-2022 Chemical analysis methods of rare earth ferroalloys - Part 3: Determination of calcium, magnesium, aluminum, nickel, manganese content - Inductively coupled plasma emission spectrometry - 英文版 |
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GB/T 26416.2-2022 Methods for chemical analysis of rare earth ferroalloys - Part 2: Determination of rare earth impurity content - Inductively coupled plasma emission spectrometry - 英文版 |
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GB/T 26416.1-2022 Chemical Analysis Methods of Rare Earth Ferroalloys Part 1: Determination of Total Rare Earth - 英文版 |
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GB/T 12690.1-2022 Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxides—Part 1: Determination of carbon and sulfur content—High frequency-infrared absorption method - 英文版 |
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GB/T 42022-2022 Essential oils - Determination of water content - Karl Fischer method - 英文版 |
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GB/T 13747.26-2022 Methods for chemical analysis of zirconium and zirconium alloys - Part 26: Determination of alloys and impurity elements - Inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 37211.3-2022 Methods for chemical analysis of germanium metal - Part 3: Determination of trace impurity elements - Glow discharge mass spectrometry - 英文版 |
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GB/T 14352.24-2022 Methods for chemical analysis of tungsten ore and molybdenum ore - Part 24: Determination of germanium content - Inductively coupled plasma mass spectrometry - 英文版 |
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GB/T 41898-2022 Determination of corrosion resistance and compactness of coatings on inner walls of food metal containers-electrochemical method - 英文版 |
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GB/T 6488-2022 Liquid chemical products - Determination of refractive index - 英文版 |
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GB/T 41769-2022 CdZnTe chemical analysis method - Determination of zinc and cadmium content - Inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 13747.18-2022 Methods for chemical analysis of zirconium and zirconium alloys - Part 18: Determination of vanadium content - Benzoylphenyl hydroxylamine spectrophotometry and inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 13747.10-2022 Methods for chemical analysis of zirconium and zirconium alloys - Part 10: Determination of tungsten content - Thiocyanate spectrophotometry and inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 13747.9-2022 Methods for chemical analysis of zirconium and zirconium alloys - Part 9: Determination of magnesium content - flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 6150.17-2022 Methods for chemical analysis of tungsten concentrates - Part 17: Determination of antimony content - Atomic fluorescence spectrometry - 英文版 |
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GB/T 6150.13-2022 Methods for chemical analysis of tungsten concentrates - Part 13: Determination of arsenic content - Atomic fluorescence spectrometry and DDTC-Ag spectrophotometry - 英文版 |
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GB/T 6150.2-2022 Methods for chemical analysis of tungsten concentrates - Part 2: Determination of tin content - Potassium iodate titration and inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 41693-2022 Guidelines for the Evaluation and Determination of chemical Substances of Very High Concern - 英文版 |
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GB/T 20899.6-2021 Methods for chemical analysis of gold ores—Part 6: Determination of zinc content - 英文版 |
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GB/T 20899.5-2021 Methods for chemical analysis of gold ores—Part 5: Determination of lead content - 英文版 |
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GB/T 20899.4-2021 Methods for chemical analysis of gold ores—Part 4: Determination of copper content - 英文版 |
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GB/T 7739.6-2021 Methods for chemical analysis of gold concentrates—Part 6: Determination of zinc content - 英文版 |
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GB/T 7739.5-2021 Methods for chemical analysis of gold concentrates—Part 5: Determination of lead content - 英文版 |
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GB/T 6324.11-2021 Test method of organic chemical products—Part 11:Determination of trace arsenic in liquid products—Atomic fluorescence spectrometric method - 英文版 |
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GB/T 614-2021 Chemical reagent—General method for the determination of refractive index - 英文版 |
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GB/T 611-2021 Chemical reagent—General method for the determination of refractive index - 英文版 |
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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 |
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GB/T 22808-2021 Leather and fur-Chemical tests-Determination of chlorinated phenols content - 英文版 |
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