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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 40396-2021 Test method for glass transition temperature of polymer matrix composites—Dynamic mechanical analysis（DMA） - 英文版 |
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GB/T 40367-2021 Plastics—Determination of the aerobic biodegradation of non-floating materials exposed to marine sediment—Method by analysis of evolved carbon dioxide - 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 7729-2021 Chemical analysis of metallurgical products—General rule for spectrophotometric methods - 英文版 |
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GB/T 7728-2021 Chemical analysis of metallurgical products—General rule for flame atomic absorption spectrometric methods - 英文版 |
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GB/T 1425-2021 Determination of melting temperature range for precious metals and their alloys—Testing method of thermal analysis - 英文版 |
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GB/T 40485-2021 Method of determining automatically the random reflectance of vitrinite in coal—Image analysis method - 英文版 |
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GB/T 16840.8-2021 Technical determination methods for electrical fire evidence—Part 8: Method of thermal analysis - 英文版 |
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GB/T 40612-2021 Plastics—Determination of aerobic biodegradation of non-floating plastic materials in a seawater/sediment interface—Method by analysis of evolved carbon dioxide - 英文版 |
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GB/T 40275-2021 Textiles—Quantitative analysis of bicomponent fiber—Melting microscopy method - 英文版 |
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GB/T 40175.3-2021 Textiles—Methods of biochemical analysis—Part 3:Organophosphorus pesticide (enzyme-linked immunosorbent assay) - 英文版 |
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GB/T 40175.2-2021 Textiles—Methods of biochemical analysis—Part 2:Pyrethroid pesticides(enzyme-linked immunosorbent assay) - 英文版 |
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GB/T 40175.1-2021 Textiles—Methods of biochemical analysis—Part 1:Cadmium and lead (colloidal gold method) - 英文版 |
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GB/T 40128-2021 Surface chemical analysis—Atomic force microscopy—Test method for thickness of the two-dimensional layered molybdenum disulfide nanosheets - 英文版 |
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GB/T 40109-2021 Surface chemical analysis - Secondary-ion mass spectrometry - Method for depth profiling of boron in silicon - 英文版 |
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GB/T 29716.3-2021 Mechanical vibration and shock—Signal processing—Part 3:Methods of time-frequency analysis - 英文版 |
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GB/T 8152.15-2021 Methods for chemical analysis of lead concentrates—Part 15:Determination of soluble lead content—Flame atomic absorption spectrometry - 英文版 |
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GB/T 7739.4-2021 Methods for chemical analysis of gold concentrates—Part 4:Determination of copper content - 英文版 |
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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 |
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GB/T 8151.24-2021 Methods for chemical analysis of zinc concentrates—Part 24:Determination of soluble zinc content—Flame atomic absorption spectrometry - 英文版 |
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GB/T 14352.22-2021 Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 22：Determination of antimony content -- Hydride generation atomic fluorescence spectrometry - 英文版 |
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GB/T 14352.21-2021 Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 21: Determination of arsenic content -- Hydride generation atomic fluorescence spectrometry - 英文版 |
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GB/T 14352.20-2021 Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 20：Determination of niobium，tantalum，zirconium，hafnium and 15 rare earth elements content -- Inductively coupled plasma mass spectrometry - 英文版 |
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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 |
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