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GB/T 609-2018 Chemical reagents - General method for determination of total nitrogen 化学试剂-总氮量测定通用方法 - 中英文版 |
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GB/T 43905.2-2024 Laboratory methods for sampling fumes and gases for welding and related processes - Part 2: Determination of emission rates of carbon monoxide, carbon dioxide, nitric oxide and nitrogen dioxide during arc welding, cutting and gouging 焊接及相关工艺中烟尘和气体取样的实验室方法-第2部分：电弧焊、切割及气刨中一氧化碳、二氧化碳、一氧化氮、二氧化氮排放速率的测定 - 中英文版 |
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GB/T 5121.8-2024 Chemical analysis methods for copper and copper alloys - Part 8: Determination of oxygen, nitrogen and hydrogen content 铜及铜合金化学分析方法-第8部分：氧、氮、氢含量的测定 - 中英文版 |
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GB/T 22877-2023 Determination of ignition residue (ash) of paper, cardboard, pulp and cellulose nanomaterials (525°C) 纸、纸板、纸浆和纤维素纳米材料 灼烧残余物（灰分）的测定（525℃） - 中英文版 |
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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 家具表面漆膜理化性能试验 第4部分：附着力交叉切割测定法 - 中英文版 |
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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) 锰铁、锰硅合金、氮化锰铁和金属锰 锰、硅、磷和铁含量的测定 波长色散X射线荧光光谱法(熔铸玻璃片法) - 中英文版 |
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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 锰铁、锰硅合金、氮化锰铁和金属锰 碳含量的测定 红外线吸收法、气体容量法、重量法和库仑法 - 中英文版 |
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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 镍合金化学分析方法 第5部分：钒含量测定 一氧化二氮-火焰原子吸收光谱法和电感耦合等离子体原子发射光谱法 - 中英文版 |
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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 镍合金化学分析方法 第4部分：硅含量的测定 一氧化二氮-火焰原子吸收光谱法和钼蓝分光光度法 - 中英文版 |
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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 镍合金化学分析方法 第3部分：铝含量的测定 一氧化二氮-火焰原子吸收光谱法和电感耦合等离子体原子发射光谱法 - 中英文版 |
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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 钨精矿化学分析方法 第1部分：三氧化钨含量的测定 钨酸铵灼烧重量法 - 中英文版 |
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GB 5009.26-2023 National food safety standards Determination of N-nitrosamine compounds in food 食品安全国家标准 食品中N-亚硝胺类化合物的测定 - 中英文版 |
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GB/T 4893.8-2023 Testing of physical and chemical properties of furniture surfaces Part 8: Determination of wear resistance 家具表面理化性能试验 第8部分：耐磨性测定法 - 中英文版 |
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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 家具产品及其材料中禁限用物质测定方法 醛酮类化合物 - 中英文版 |
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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 氧化铝化学分析方法和物理性能测定方法 第35部分：比表面积的测定 氮吸附法 - 中英文版 |
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GB/T 42955-2023 Determination of total nitrogen content in fertilizers Dumas combustion method 肥料中总氮含量的测定 杜马斯燃烧法 - 中英文版 |
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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 锑矿石化学物相分析方法 锑华、辉锑矿和锑酸盐中锑含量的测定 - 中英文版 |
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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 土壤质量 土壤与生物样品中有机碳含量与碳同位素比值、全氮含量与氮同位素比值的测定 稳定同位素比值质谱法 - 中英文版 |
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GB/T 42488-2023 Soil quality - Determination of 15N abundance of inorganic nitrogen in soil - Stable isotope ratio mass spectrometry 土壤质量 土壤中无机态氮15N丰度的测定 稳定同位素比值质谱法 - 中英文版 |
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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 土壤质量 土壤硝态氮、亚硝态氮和铵态氮的测定 氯化钾溶液浸提手工分析法 - 中英文版 |
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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 土壤质量 土壤硝态氮、亚硝态氮和铵态氮的测定 氯化钾溶液浸提流动分析法 - 中英文版 |
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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 工业用丙烯腈 第16部分：铁、铜含量的测定 石墨炉原子吸收光谱法和电感耦合等离子体质谱法 - 中英文版 |
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GB/T 7717.12-2022 Acrylonitrile for industrial use - Part 12: Determination of purity and impurity content - Gas chromatography 工业用丙烯腈 第12部分：纯度及杂质含量的测定 气相色谱法 - 中英文版 |
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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 玩具中N-亚硝胺及其前体物迁移量的测定 高效液相色谱-串联质谱法 - 中英文版 |
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GB/T 41964-2022 Photography Washing Waste Liquid Determination of Ammonia Nitrogen Content (Micro-diffusion Method) 摄影 冲洗废液 氨态氮含量的测定 (微扩散法) - 中英文版 |
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GB/T 41965-2022 Photography Flushing Waste Liquid Determination of Total Content of Ammonia Nitrogen (Micro-diffusion Kjeldahl Nitrogen Method) 摄影 冲洗废液 氨态氮总含量的测定 (微扩散凯氏氮法) - 中英文版 |
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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 锰铁、锰硅合金、氮化锰铁和金属锰 硫含量的测定 红外线吸收法和燃烧中和滴定法 - 中英文版 |
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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 氮化铝材料中痕量元素（镁、镓）含量及分布的测定 二次离子质谱法 - 中英文版 |
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GB/T 42263-2022 Determination of nitrogen content in silicon single crystals - Secondary ion mass spectrometry 硅单晶中氮含量的测定 二次离子质谱法 - 中英文版 |
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GB/T 42276-2022 Determination of Fluoride and Chloride Contents in Silicon Nitride Powder - Ion Chromatography 氮化硅粉体中氟离子和氯离子含量的测定 离子色谱法 - 中英文版 |
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GB/T 41942-2022 Natural raw rubber and natural rubber latex - Determination of nitrogen content - Micro Dumas combustion method 天然生胶和天然胶乳 氮含量的测定 微杜马斯燃烧法 - 中英文版 |
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GB/T 41764-2022 Determination of photoinitiator content in radiation-curing coatings - Gas chromatography-mass spectrometry 辐射固化涂料中光引发剂含量的测定 气相色谱-质谱联用法 - 中英文版 |
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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 锰铁、锰硅合金、氮化锰铁和金属锰 锰含量的测定 电位滴定法、硝酸铵氧化滴定法及高氯酸氧化滴定法 - 中英文版 |
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GB/T 5686.4-2022 Ferromanganese, manganese silicon alloy, ferromanganese nitride and metal manganese Determination of phosphorus content Molybdenum blue spectrophotometry and bismuth phosphorus molybdenum blue spectrophotometry 锰铁、锰硅合金、氮化锰铁和金属锰 磷含量的测定 钼蓝分光光度法和铋磷钼蓝分光光度法 - 中英文版 |
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GB/T 5686.2-2022 Determination of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metal manganese-silicon content Molybdenum blue spectrophotometry, potassium fluorosilicate titration and perchloric acid gravimetric method 锰铁、锰硅合金、氮化锰铁和金属锰 硅含量的测定 钼蓝分光光度法、氟硅酸钾滴定法和高氯酸重量法 - 中英文版 |
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GB/T 6730.83-2022 Iron ore - Determination of loss on ignition - Hygroscopic water corrected gravimetric method 铁矿石 灼烧减量的测定 吸湿水校正重量法 - 中英文版 |
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GB/T 41733-2022 Determination of carbon residue in organic heat carrier Nitrogen filling method 有机热载体残炭测定法 充氮法 - 中英文版 |
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GB/T 40368-2021 Determination of kunitz trypsin inhibitor of plant metabolites—Enzyme-linked immunosorbent assay 植物代谢产物胰蛋白酶抑制因子测定 酶联免疫吸附法 - 中英文版 |
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GB/T 40302-2021 Plastics—Determination of burning behaviour of thin flexible vertical specimens in contact with a small-flame ignition source 塑料 立式软薄试样与小火焰源接触的燃烧性能测定 - 中英文版 |
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GB/T 7731.1-2021 Ferrotungsten—Determination of tungsten content—Cinchonine gravimetric method and ammonium nitrate gravimetric method 钨铁 钨含量的测定 辛可宁重量法和硝酸铵重量法 - 中英文版 |
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GB/T 4893.1-2021 Test of surface coatings of furniture—Part 1: Determination of surface resistance to cold liquids 家具表面漆膜理化性能试验 第1部分：耐冷液测定法 - 中英文版 |
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GB/T 39993-2021 Determination of permitted preservatives dimethyl oxazolidine, 7-ethylbicyclooxazolidine and 5-bromo-5-nitro-1,3-dioxane in cosmetics 化妆品中限用防腐剂二甲基噁唑烷、7-乙基双环噁唑烷和5-溴-5-硝基-1,3-二噁烷的测定 - 中英文版 |
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GB/T 14231-2021 Determination of efficiency for gear units 齿轮装置效率测定方法 - 中英文版 |
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GB/T 41076-2021 Microbeam analysis—Electron backscatter diffraction—Quantitative determination of austenite in steel 微束分析 电子背散射衍射 钢中奥氏体的定量分析 - 中英文版 |
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GB/T 41223-2021 Soil quality—Determination of potential nitrification and inhibition of nitrification—Rapid test by ammonium oxidation 土壤质量 硝化潜势和硝化抑制作用的测定 氨氧化快速检测法 - 中英文版 |
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GB/T 17674-2021 Determination of nitrogen in crude oil -- Boat-inlet chemiluminescence 原油中氮含量的测定 舟进样化学发光法 - 中英文版 |
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GB/T 41153-2021 Determination of boron, aluminum and nitrogen impurity content in silicon carbide single crystal -- Secondary ion mass spectrometry 碳化硅单晶中硼、铝、氮杂质含量的测定? 二次离子质谱法 - 中英文版 |
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GB/T 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method 橡胶 总硫、总氮含量的测定 自动分析仪法 - 中英文版 |
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GB/T 40906-2021 Methods for the determination of prohibited substances in furniture products and related materials—Certain phthalate esters 家具产品及其材料中禁限用物质测定方法 邻苯二甲酸酯增塑剂 - 中英文版 |
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GB/T 40904-2021 Methods for the determination of prohibited substances in furniture products and related materials—Azo dyes 家具产品及其材料中禁限用物质测定方法 偶氮染料 - 中英文版 |
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