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GB/T 42513.2-2023 Methods for chemical analysis of nickel alloys Part 2: Determination of phosphorus content Molybdenum blue spectrophotometry - 英文版 |
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GB/T 6150.3-2023 Methods for chemical analysis of tungsten concentrates Part 3: Determination of phosphorus content Phosphomolybdenum yellow spectrophotometry and inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 6150.1-2023 Methods for chemical analysis of tungsten concentrates Part 1: Determination of tungsten trioxide content Ammonium tungstate ignition gravimetric method - 英文版 |
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GB/T 4324.2-2023 Methods for chemical analysis of tungsten Part 2: Determination of bismuth and arsenic content - 英文版 |
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GB/T 3260.11-2023 Methods for chemical analysis of tin Part 11: Determination of copper, iron, bismuth, lead, antimony, arsenic, aluminum, zinc, cadmium, silver, nickel and cobalt content - Inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 18115.6-2023 Methods for chemical analysis of rare earth impurities in rare earth metals and their oxides - Part 6: Determination of the amounts of lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttrium in europium - 英文版 |
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GB/T 3286.12-2023 Methods for chemical analysis of limestone and dolomite Part 12: Determination of potassium oxide and sodium oxide content Flame atomic absorption spectrometry - 英文版 |
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GB/T 23948-2023 Inorganic chemical products - general method for determination of water-insoluble matter - 英文版 |
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GB/T 23947.3-2023 General method for determination of arsenic in inorganic chemical products Part 3: Atomic fluorescence spectrometry - 英文版 |
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GB/T 6324.12-2023 Test methods for organic chemical products Part 12: Determination of trace amounts of mercury in organic liquid chemical products Atomic fluorescence method - 英文版 |
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GB/T 4893.8-2023 Testing of physical and chemical properties of furniture surfaces Part 8: Determination of wear resistance - 英文版 |
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GB/T 43013-2023 Chemical fibers - Determination of dynamic elastic modulus - Acoustic pulse propagation method - 英文版 |
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GB/T 23944-2023 General method for determination of aluminum in inorganic chemical products Chromium Azur S spectrophotometry - 英文版 |
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GB/T 18882.1-2023 Methods for chemical analysis of mixed rare earth oxides of ionic rare earth ores - Part 1: Determination of the proportions of fifteen rare earth element oxides - 英文版 |
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GB/T 6730.85-2023 Iron ore - Preparation and determination of certified standard samples for chemical analysis - 英文版 |
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GB/T 11064.9-2023 Methods for chemical analysis of lithium carbonate, lithium hydroxide monohydrate, and lithium chloride Part 9: Determination of sulfate content Barium sulfate turbidity method - 英文版 |
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GB/T 8151.26-2023 Methods for chemical analysis of zinc concentrates Part 26: Determination of silver content Acid dissolution-flame atomic absorption spectrometry - 英文版 |
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GB/T 6609.35-2023 Methods for chemical analysis and determination of physical properties of alumina Part 35: Determination of specific surface area Nitrogen adsorption method - 英文版 |
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GB/T 6609.27-2023 Methods for chemical analysis and determination of physical properties of alumina - Part 27: Particle size analysis - Sieving method - 英文版 |
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GB/T 6609.25-2023 Methods for chemical analysis and determination of physical properties of alumina - Part 25: Determination of loose and tapped density - 英文版 |
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GB/T 6150.15-2023 Methods for chemical analysis of tungsten concentrates Part 15: Determination of bismuth content Hydride generation atomic fluorescence spectrometry and flame atomic absorption spectrometry - 英文版 |
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GB/T 6150.12-2023 Methods for chemical analysis of tungsten concentrates Part 12: Determination of silica content Silicon-molybdenum blue spectrophotometry and gravimetric method - 英文版 |
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GB/T 6150.10-2023 Methods for chemical analysis of tungsten concentrates Part 10: Determination of lead content Hydride generation atomic fluorescence spectrometry and flame atomic absorption spectrometry - 英文版 |
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GB/T 6150.8-2023 Methods for chemical analysis of tungsten concentrates Part 8: Determination of molybdenum content Thiocyanate spectrophotometry - 英文版 |
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GB/T 6150.6-2023 Methods for chemical analysis of tungsten concentrates Part 6: Determination of wet water content Gravimetric method - 英文版 |
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GB/T 6150.4-2023 Chemical analysis methods for tungsten concentrates Part 4: Determination of sulfur content High-frequency induction infrared absorption method and combustion-iodometric method - 英文版 |
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GB/T 3884.12-2023 Methods for chemical analysis of copper concentrates Part 12: Determination of fluorine and chlorine content Ion chromatography and potentiometric titration - 英文版 |
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GB/T 42659-2023 Surface chemical analysis Scanning probe microscopy Determination of geometric quantities using scanning probe microscopy: Calibration of measurement systems - 英文版 |
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GB/T 42922-2023 Plastics - Determination of organic solvent extractables - Chemical methods - 英文版 |
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GB/T 42513.1-2023 Methods for chemical analysis of nickel alloys - Part 1: Determination of chromium content - Ferrous ammonium sulfate potentiometric titration method - 英文版 |
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