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GB/T 5990-2021 Refractory materials—Determination of thermal conductivity, specific heat capacity and thermal diffusivity(hot-wire method) 耐火材料 导热系数、比热容和热扩散系数试验方法（热线法） - 中英文版 |
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GB/T 40566-2021 Granular polysilicon produced by fluidized bed method—Determination of hydrogen—Pulse heating inert gas fusion infrared absorption method 流化床法颗粒硅 氢含量的测定 脉冲加热惰性气体熔融红外吸收法 - 中英文版 |
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GB/T 40561-2021 Photovoltaic silicon material—Determination of oxygen—Pulse heating inert gas fusion infrared absorption method 光伏硅材料 氧含量的测定 脉冲加热惰性气体熔融红外吸收法 - 中英文版 |
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GB/T 261-2021 Determination of flash point—Pensky-Martens closed cup method 闪点的测定 宾斯基-马丁闭口杯法 - 中英文版 |
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GB/T 14949.6-2021 Manganese ores—Determination of copper,lead and zinc content—Flame atomic absorption spectrometric method 锰矿石 铜、铅和锌含量的测定 火焰原子吸收光谱法 - 中英文版 |
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GB/T 12690.4-2021 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 4: Determination of oxygen and nitrogen contents—Impulse-infrared absorption and impulse-thermal conductivity method 稀土金属及其氧化物中非稀土杂质化学分析方法 第4部分：氧、氮量的测定 脉冲-红外吸收法和脉冲-热导法 - 中英文版 |
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GB/T 40798-2021 Chemical analysis method of ion-adsorption rare earth ore—Determination of total rare earth contents—Inductively coupled plasma mass spectrometry 离子型稀土原矿化学分析方法 稀土总量的测定 电感耦合等离子体质谱法 - 中英文版 |
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GB/T 40795.2-2021 Chemical analysis methods of lanthanum-cerium metals and their compounds—Part 2:Determination of rare earth content 镧铈金属及其化合物化学分析方法 第2部分：稀土量的测定 - 中英文版 |
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GB/T 40795.1-2021 Chemical analysis method of lanthanum-cerium metals and their compounds—Part 1:Determination of cerium content—Ammonium ferrous sulfate titration method 镧铈金属及其化合物化学分析方法 第1部分：铈量的测定 硫酸亚铁铵滴定法 - 中英文版 |
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GB/T 18115.4-2021 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides -- Part 4: Determination of lanthanum, cerium, praseodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yt 稀土金属及其氧化物中稀土杂质化学分析方法 第4部分：钕中镧、铈、镨、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定 - 中英文版 |
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GB/T 12690.7-2021 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 7: Determination of silicon content 稀土金属及其氧化物中非稀土杂质化学分析方法 第7部分：硅量的测定 - 中英文版 |
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GB/T 13697-2021 Determination of carbon in uranium oxide powder and pellets—High-frequency inductive furnace combustion-infrared detection method 二氧化铀粉末和芯块中碳的测定 高频感应炉燃烧-红外检测法 - 中英文版 |
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GB/T 40704-2021 Natural gas—Determination of odorant tetrahydrothiophene—On-line sampling gas chromatography method 天然气 加臭剂四氢噻吩含量的测定 在线取样气相色谱法 - 中英文版 |
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GB/T 11060.10-2021 Natural gas—Determination of sulfur compounds—Part 10: Determination of sulfur compounds using gas chromatography method 天然气 含硫化合物的测定 第10部分：用气相色谱法测定硫化合物 - 中英文版 |
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GB/T 9098-2021 Methods for the determination of prohibited substances in furniture products and related materials—Certain phthalate esters 电冰箱用全封闭型电动机-压缩机 - 中英文版 |
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GB/T 39506-2020 Determination of the poly vinyl chloride (PVC) content of unplasticized poly vinyl chloride (PVC-U) pipes and fittings—Method based on total chlorine content 硬聚氯乙烯（PVC-U）管材及管件中聚氯乙烯（PVC）含量的测定 基于总氯含量的方法 - 中英文版 |
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GB/T 39507-2020 Leather—Physical and mechanical tests—Determination of abrasion resistance：Martindale ball plate method 皮革 物理和机械试验 耐磨性能的测定：马丁代尔球盘法 - 中英文版 |
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GB/T 39520-2020 Test method for determination the residual stress of spring by X-ray diffraction 弹簧残余应力的X射线衍射测试方法 - 中英文版 |
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GB/T 39534-2020 Corrosion of metals and alloys—Method for determination of the uniform corrosion rate of stainless steels and nickel based alloys in liquids 金属和合金的腐蚀 液体中不锈钢和镍基合金均匀腐蚀速率测定方法 - 中英文版 |
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GB/Z 39124-2020 Method for chemical analysis of lead concentrates—Determination of antimony content—Ce(SO4)2 titration method 铅精矿化学分析方法 锑含量的测定 硫酸铈滴定法 - 中英文版 |
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GB/T 39138.1-2020 Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 1：Determination of gold content—Potentiometric titration using ferrous sulfate 金镍铬铁硅硼合金化学分析方法 第1部分：金含量的测定 硫酸亚铁电位滴定法 - 中英文版 |
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GB/T 39138.2-2020 Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 2：Determination of nickel content—Dimethylglyoxime gravimetric method 金镍铬铁硅硼合金化学分析方法 第2部分：镍含量的测定 丁二酮肟重量法 - 中英文版 |
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GB/T 39138.3-2020 Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 3：Determination of chromium, iron, silicon and boron contents—Inductively coupled plasma atomic emission spectrometry 金镍铬铁硅硼合金化学分析方法 第3部分：铬、铁、硅、硼含量的测定 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 39143-2020 Methods for chemical analysis of gold-arsenic alloys—Determination of arsenic content—Inductively coupled plasma atomic emission spectrometry 金砷合金化学分析方法 砷含量的测定 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 39193-2020 Ambient air—Determination of particulate matter mass concentration—Gravimetric method 环境空气 颗粒物质量浓度测定 重量法 - 中英文版 |
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GB/T 39221-2020 Determination for performance of scale inhibitors for reverse osmosis seawater desalination—Recurrent condensation cycle test method 反渗透海水淡化阻垢剂阻垢性能试验 周期浓缩循环法 - 中英文版 |
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GB/T 34609.2-2020 Method for chemical analysis of rhodium compounds—Part 2: Determination of silver,gold,platinum...potassium,chromium and silicon contents—Inductively coupled plasma atomic emission spectrometry 铑化合物化学分析方法 第2部分：银、金、铂、钯、铱、钌、铅、镍、铜、铁、锡、锌、镁、锰、铝、钙、钠、钾、铬、硅含量的测定 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 20975.6-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 6: Determination of cadmium content 铝及铝合金化学分析方法 第6部分：镉含量的测定 - 中英文版 |
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GB/T 20975.21-2020 Methods for chemical analysis of aluminium and aluminium alloy—Part 21: Determination of calcium content 铝及铝合金化学分析方法 第21部分：钙含量的测定 - 中英文版 |
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GB/T 20975.17-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 17: Determination of strontium content 铝及铝合金化学分析方法 第17部分：锶含量的测定 - 中英文版 |
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GB/T 8151.22-2020 Methods for chemical analysis of zinc concentrates—Part 22: Determination of zinc, copper, lead,iron,aluminium ,calcium and magnesium contents—Wavelength dispersive X-ray fluorescence spectrometric method 锌精矿化学分析方法 第22部分：锌、铜、铅、铁、铝、钙和镁含量的测定 波长色散X射线荧光光谱法 - 中英文版 |
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GB/T 8151.23-2020 Methods for chemical analysis of zinc concentrates—Part 23: Determination of mercury content—Solid sampling and direct mercury analysis method 锌精矿化学分析方法 第23部分：汞含量的测定 固体进样直接法 - 中英文版 |
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GB/T 39100-2020 Determination of antioxidant activity for polypeptides—DPPH and ABTS methods 多肽抗氧化性测定 DPPH和ABTS法 - 中英文版 |
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GB/T 39101-2020 Determination of antimicrobial activity for polypeptides—Inhibition zone method 多肽抗菌性测定 抑菌圈法 - 中英文版 |
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GB/T 11060.8-2020 Natural gas—Determination of sulfur compounds—Part 8：Determination of total sulfur content by ultraviolet fluorescence method 天然气 含硫化合物的测定 第8部分：用紫外荧光光度法测定总硫含量 - 中英文版 |
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GB/T 39059-2020 Determination of harmful substance emissions from synthetic sports surfaces—Environmental chambers method 运动场地合成材料面层有害物质释放量的测定 环境测试舱法 - 中英文版 |
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GB/T 20975.37-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 37:Determination of niobium content 铝及铝合金化学分析方法 第37部分：铌含量的测定 - 中英文版 |
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GB/T 38978-2020 Refractory products—Determination of stress-strain (three-point bending method） 耐火材料 应力应变试验方法(三点弯曲法) - 中英文版 |
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GB/T 4802.4-2020 Textiles—Determination of the fabric propensity to surface pilling, fuzzing or matting—Part 4: Random tumble pilling method 纺织品 织物起毛起球性能的测定 第4部分：随机翻滚法 - 中英文版 |
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GB/T 24328.12-2020 Tissue paper and tissue products—Part 12: Determination of optical properties—Determination of opacity—Diffuse reflectance method 卫生纸及其制品 第12部分：光学性能的测定 不透明度的测定 漫反射法 - 中英文版 |
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GB/T 24328.6-2020 Tissue paper and tissue products—Part 6: Determination of water-absorption time and water-absorption capacity—Basket-immersion test method 卫生纸及其制品 第6部分: 吸水时间和吸水能力的测定 篮筐浸没法 - 中英文版 |
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GB/T 223.37-2020 Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation 钢铁及合金 氮含量的测定 蒸馏分离靛酚蓝分光光度法 - 中英文版 |
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GB/T 38949-2020 Determination of pore size for porous membranes—Standard particle method 多孔膜孔径的测定 标准粒子法 - 中英文版 |
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GB/T 38902-2020 Determination of hollow fiber membrane cross-section dimensions—Image analysis method 中空纤维膜丝截面结构尺寸的测定 图像分析法 - 中英文版 |
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GB/T 38783-2020 Method of coating thickness determination for precious metal composites by scanning electron microscope 贵金属复合材料覆层厚度的扫描电镜测定方法 - 中英文版 |
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GB/T 20975.4-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 4:Determination of iron content 铝及铝合金化学分析方法 第4部分：铁含量的测定 - 中英文版 |
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GB/T 20975.5-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 5：Determination of silicon content 铝及铝合金化学分析方法 第5部分：硅含量的测定 - 中英文版 |
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GB/T 20975.7-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 7:Determination of manganese content 铝及铝合金化学分析方法 第7部分：锰含量的测定 - 中英文版 |
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GB/T 20975.9-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 9:Determination of lithium content—Flame atomic absorption spectrometry 铝及铝合金化学分析方法 第9部分：锂含量的测定 火焰原子吸收光谱法 - 中英文版 |
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GB/T 20975.10-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 10：Determination of tin content 铝及铝合金化学分析方法 第10部分：锡含量的测定 - 中英文版 |
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