China Determination of nit GB Standards Search Result |
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GB/T 22877-2023 Determination of ignition residue (ash) of paper, cardboard, pulp and cellulose nanomaterials (525°C) - 英文版 |
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GB/T 4893.4-2023 Testing of physical and chemical properties of paint films on furniture surfaces Part 4: Adhesion cross-cut determination method - 英文版 |
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GB/T 5686.9-2023 Ferromanganese, manganese-silicon alloy, ferromanganese nitride and metallic manganese. Determination of manganese, silicon, phosphorus and iron content. Wavelength dispersive X-ray fluorescence spectrometry (cast glass plate method) - 英文版 |
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GB/T 5686.5-2023 Ferromanganese, manganese-silicon alloy, ferromanganese nitride and metallic manganese Determination of carbon content Infrared absorption method, gas volume method, gravimetric method and coulometric method - 英文版 |
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GB/T 42513.5-2023 Methods for chemical analysis of nickel alloys Part 5: Determination of vanadium content Nitrous oxide-flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry - 英文版 |
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GB/T 42513.4-2023 Methods for chemical analysis of nickel alloys Part 4: Determination of silicon content Nitrous oxide-flame atomic absorption spectrometry and molybdenum blue spectrophotometry - 英文版 |
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GB/T 42513.3-2023 Methods for chemical analysis of nickel alloys Part 3: Determination of aluminum content Nitrous oxide-flame atomic absorption spectrometry 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 5009.26-2023 National food safety standards Determination of N-nitrosamine compounds in food - 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 42998-2023 Method for determination of prohibited and restricted substances in furniture products and their materials Aldehydes and ketones - 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 42955-2023 Determination of total nitrogen content in fertilizers Dumas combustion method - 英文版 |
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GB/T 42439-2023 Method for chemical phase analysis of antimony ore - Determination of antimony content in antimonite, stibnite and antimonate - 英文版 |
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GB/T 42490-2023 Soil quality Determination of organic carbon content and carbon isotope ratio, total nitrogen content and nitrogen isotope ratio in soil and biological samples Stable isotope ratio mass spectrometry - 英文版 |
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GB/T 42488-2023 Soil quality - Determination of 15N abundance of inorganic nitrogen in soil - Stable isotope ratio mass spectrometry - 英文版 |
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GB/T 42485-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen KCl solution leaching manual analysis method - 英文版 |
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GB/T 42487-2023 Soil quality - Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen - potassium chloride solution leaching flow analysis method - 英文版 |
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GB/T 7717.16-2022 Acrylonitrile for industrial use - Part 16: Determination of iron and copper content - Graphite furnace atomic absorption spectrometry and inductively coupled plasma mass spectrometry - 英文版 |
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GB/T 7717.12-2022 Acrylonitrile for industrial use - Part 12: Determination of purity and impurity content - Gas chromatography - 英文版 |
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GB/T 41413-2022 Determination of migration of N-nitrosamine and its precursors in toys high performance liquid chromatography tandem mass spectrometry - 英文版 |
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GB/T 41964-2022 Photography Washing Waste Liquid Determination of Ammonia Nitrogen Content (Micro-diffusion Method) - 英文版 |
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GB/T 41965-2022 Photography Flushing Waste Liquid Determination of Total Content of Ammonia Nitrogen (Micro-diffusion Kjeldahl Nitrogen Method) - 英文版 |
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GB/T 5686.7-2022 Ferromanganese, manganese silicon alloy, ferromanganese nitride and metal manganese Determination of sulfur content Infrared absorption method and combustion neutralization titration method - 英文版 |
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GB/T 42274-2022 Determination of content and distribution of trace elements (magnesium, gallium) in aluminum nitride materials Secondary ion mass spectrometry - 英文版 |
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GB/T 42263-2022 Determination of nitrogen content in silicon single crystals - Secondary ion mass spectrometry - 英文版 |
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GB/T 42276-2022 Determination of Fluoride and Chloride Contents in Silicon Nitride Powder - Ion Chromatography - 英文版 |
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GB/T 41942-2022 Natural raw rubber and natural rubber latex - Determination of nitrogen content - Micro Dumas combustion method - 英文版 |
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GB/T 41764-2022 Determination of photoinitiator content in radiation-curing coatings - Gas chromatography-mass spectrometry - 英文版 |
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GB/T 5686.1-2022 Ferromanganese, manganese silicon alloy, ferromanganese nitride and metal manganese Determination of manganese content Potentiometric titration, ammonium nitrate oxidation titration and perchloric acid oxidation titration - 英文版 |
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