China Determination of N-m GB Standards Search Result |
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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 5166-2023 Determination of elastic modulus of sintered metal materials and cemented carbide - 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 35306-2023 Determination of carbon and oxygen content in silicon single crystal Low-temperature Fourier transform infrared spectroscopy - 英文版 |
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GB/T 24582-2023 Determination of metal impurity content on polycrystalline silicon surface by acid leaching-inductively coupled plasma mass spectrometry - 英文版 |
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GB/T 1553-2023 Determination of minority carrier lifetime in silicon and germanium Photoconductivity decay method - 英文版 |
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GB/T 42906-2023 Graphite materials - Determination of equivalent boron content - Inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 42903-2023 Metallic materials—Method for determination of creep crack and creep-fatigue crack growth rates - 英文版 |
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GB/T 42670-2023 Determination method of Rockwell hardness of carbon materials - 英文版 |
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GB/T 42945-2023 Pulp - Determination of fine fiber mass fraction - 英文版 |
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GB/T 42944-2023 Paper, paperboard and paper products Determination of effective recycled content - 英文版 |
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GB/T 42908-2023 Determination of organic halogen content in textile dyeing and finishing auxiliary products - 英文版 |
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GB/T 42955-2023 Determination of total nitrogen content in fertilizers Dumas combustion method - 英文版 |
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GB/T 42954-2023 Determination of plant growth regulators in fertilizers Gas chromatography-mass spectrometry - 英文版 |
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GB/T 42957-2023 Determination of lysine, methionine and threonine content in amino acid products and additive premixed feeds - 英文版 |
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GB/T 42956-2023 Determination of tylosin, tivalisin and tilmicosin in feed liquid chromatography-tandem mass spectrometry - 英文版 |
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GB/T 22260-2023 Determination of protein anabolic hormones in feed liquid chromatography-tandem mass spectrometry - 英文版 |
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GB/T 13883-2023 Determination of Selenium in Feed - 英文版 |
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GB/T 13882-2023 Determination of iodine in feed - 英文版 |
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GB/T 13093-2023 Determination of total bacterial count in feed - 英文版 |
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