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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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GB/T 41074-2021 Microbeam analysis -- Method of specimen preparation for analysis of general powders using WDS and EDS - 英文版 |
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GB/T 5121.28-2021 Methods for chemical analysis of copper and copper alloys—Part 28：Determination of chromium,iron,manganese,cobalt,nickel,zinc,arsenic,selenium,silver,cadmium,tin,antimony,tellurium,lead and bismuth content—Inductively coupled plasma-mass spectrometry - 英文版 |
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GB/T 20724-2021 Microbeam analysis—Method of thickness measurement for thin crystals by convergent beam electron diffraction - 英文版 |
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GB/T 41064-2021 Surface chemical analysis—Depth profiling—Method for sputter rate determination in X-ray photoelectron spectroscopy, Auger electron spectroscopy and secondary-ion mass spectrometry sputter depth profiling using single and multi-layer thin films - 英文版 |
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GB/T 35212.3-2021 Analysis and evaluation methods of gas and solution and desulfurization decarbonization and sulfur recovery for natural gas treating plant—Part 3: Technical requirements and analysis evaluation methods for sulfur recovery and tail gas catalysts - 英文版 |
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GB/T 12690.8-2021 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 8:Determination of sodium content - 英文版 |
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GB/T 40905.1-2021 Textiles -- Quantitative analysis of cashmere, wool, other specialty animal fibres and their blends -- Part 1: Light microscopy method - 英文版 |
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