China Determination method GB Standards List

China "Determination method " GB Standards List:

Standard Code	Standard Title	Standard Class	Order
GB/T 6730.25-2021	Iron ores—Determination of total rare earth contents—Oxalate gravimetric method 铁矿石稀土总量的测定草酸盐重量法	China National Standards Determination method	English PDF
GB/T 2384-2021	Dyes intermediates—General method for the determination of melting range 染料中间体熔点范围测定通用方法	China National Standards Determination method	English PDF
GB/T 41104.2-2021	Solder wire, solid and flux cored -- Specification and test methods -- Part 2: Determination of flux content 实心和药芯软钎料丝? 规范和试验方法? 第2部分：钎剂含量的测定	China National Standards Determination method	English PDF
GB/T 38265.13-2021	Test methods for soft soldering fluxes—Part 13: Determination of flux spattering 软钎剂试验方法第13部分：钎剂溅散性的测定	China National Standards Determination method	English PDF
GB/T 6730.28-2021	Iron ores—Determination of fluorine content—Ion-selective electrode method 铁矿石氟含量的测定离子选择电极法	China National Standards Determination method	English PDF
GB/T 7991.3-2021	Test method of viterous and porcelain enamels -- Part 3: Determination of resistance to thermal shock 搪玻璃层试验方法第3部分：耐温差急变性能的测定	China National Standards Determination method	English PDF
GB/T 41064-2021	Surface chemical analysis—Depth profiling—Method for sputter rate determination in X-ray photoelectron spectroscopy, Auger electron spectroscopy and secondary-ion mass spectrometry sputter depth profiling using single and multi-layer thin films 表面化学分析深度剖析用单层和多层薄膜测定X射线光电子能谱、俄歇电子能谱和二次离子质谱中深度剖析溅射速率的方法	China National Standards Determination method	English PDF
GB/T 1927.20-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 20: Determination of cleavage strength 无疵小试样木材物理力学性质试验方法第20部分：抗劈力测定	China National Standards Determination method	English PDF
GB/T 1927.19-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 19: Determination of static hardness 无疵小试样木材物理力学性质试验方法第19部分：硬度测定	China National Standards Determination method	English PDF
GB/T 1927.18-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 18: Determination of resistance to impact indentation 无疵小试样木材物理力学性质试验方法第18部分：抗冲击压痕测定	China National Standards Determination method	English PDF
GB/T 1927.17-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 17: Determination of impact bending strength 无疵小试样木材物理力学性质试验方法第17部分：冲击韧性测定	China National Standards Determination method	English PDF
GB/T 1927.12-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 12:Determination of strength in compression perpendicular to grain 无疵小试样木材物理力学性质试验方法第12部分：横纹抗压强度测定	China National Standards Determination method	English PDF
GB/T 1927.10-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 10: Determination of modulus of elasticity in bending 无疵小试样木材物理力学性质试验方法第10部分：抗弯弹性模量测定	China National Standards Determination method	English PDF
GB/T 1927.9-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 9: Determination of bending strength 无疵小试样木材物理力学性质试验方法第9部分：抗弯强度测定	China National Standards Determination method	English PDF
GB/T 1927.8-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 8: Determination of swelling 无疵小试样木材物理力学性质试验方法第8部分：湿胀性测定	China National Standards Determination method	English PDF
GB/T 41079.1-2021	Test methods for physical properties of liquid metals—Part 1:Determination of density 液态金属物理性能测定方法第1部分：密度的测定	China National Standards Determination method	English PDF
GB/T 1927.7-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 7: Determination of water absorption 无疵小试样木材物理力学性质试验方法第7部分：吸水性测定	China National Standards Determination method	English PDF
GB/T 1927.6-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 6: Determination of shrinkage 无疵小试样木材物理力学性质试验方法第6部分：干缩性测定	China National Standards Determination method	English PDF
GB/T 1927.5-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 5: Determination of density 无疵小试样木材物理力学性质试验方法第5部分：密度测定	China National Standards Determination method	English PDF
GB/T 1927.4-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 4: Determination of moisture content 无疵小试样木材物理力学性质试验方法第4部分：含水率测定	China National Standards Determination method	English PDF
GB/T 1927.3-2021	Test methods for physical and mechanical properties of small clear wood specimens—Part 3: Determination of the growth rings width and latewood rate of wood 无疵小试样木材物理力学性质试验方法第3部分：生长轮宽度和晚材率测定	China National Standards Determination method	English PDF
GB/T 8643-2021	Determination of lubricant content in lubricated metal-powder mixes—Soxhlet extraction method 含润滑剂金属粉末中润滑剂含量的测定索格利特（Soxhlet）萃取法	China National Standards Determination method	English PDF
GB/T 41068-2021	Nanotechnologies -- Determination of water-soluble anions content in graphene-related powder -- Ion chromatography method 纳米技术石墨烯粉体中水溶性阴离子含量的测定离子色谱法	China National Standards Determination method	English PDF
GB/T 41067-2021	Nanotechnologies -- Determination of sulfur, fluorine, chlorine and bromine content in graphene related powder -- Combustion ion chromatography method 纳米技术石墨烯粉体中硫、氟、氯、溴含量的测定燃烧离子色谱法	China National Standards Determination method	English PDF
GB/T 38490-2021	Determination of high-throughput adaptive evolution for microorganisms—Microfluidic chip method 微生物高通量适应性进化测定微流控芯片法	China National Standards Determination method	English PDF
GB/T 6730.48-2021	Iron ores—Determination of bismuth content— Dithiodiantipyryl methane spectrophotometric method 铁矿石铋含量的测定二硫代二安替吡啉甲烷分光光度法	China National Standards Determination method	English PDF
GB/T 41206-2021	Space environment (natural and artificial) -- Cosmic ray and solar energetic particle penetration inward the magnetosphere -- Method of determination of the effective vertical cut-off rigidity 空间环境（自然和人工）宇宙线和太阳能量粒子穿入磁层有效垂直地磁截止刚度的确定方法	China National Standards Determination method	English PDF
GB/T 40969-2021	Paper and board—Determination of colour (D50/2°diffuse reflectance method) 纸和纸板颜色的测定（D50/2°漫反射法)	China National Standards Determination method	English PDF
GB/T 40998-2021	Determination of hydroxypropyl content in modified starch -- Spectrophotometric method 变性淀粉中羟丙基含量的测定分光光度法	China National Standards Determination method	English PDF
GB/T 40915-2021	Determination of SiO2,Al2O3,Fe2O3,K2O,Na2O,CaO,MgO content of soda-lime-silica glass by X-ray fluorescence spectrometric method X射线荧光光谱法测定钠钙硅玻璃中SiO2、Al2O3、Fe2O3、K2O、Na2O、CaO、MgO含量	China National Standards Determination method	English PDF
GB/T 40913-2021	Method for the determination of the hot-end coating thickness of glass bottle 玻璃瓶罐热端涂层厚度的测定方法	China National Standards Determination method	English PDF
GB/T 40970-2021	Determination of ammonia in cosmetics—Titration method 化妆品中氨含量的测定滴定法	China National Standards Determination method	English PDF
GB/T 40897-2021	Determination of alkali sulfides and alkaline earth sulfides in cosmetics—Methylene blue spectrophotometric method 化妆品中碱金属硫化物和碱土金属硫化物的测定亚甲基蓝分光光度法	China National Standards Determination method	English PDF
GB/T 40944-2021	Determination of feed particle size—Geometric mean diameter method 饲料粒度测定几何平均粒度法	China National Standards Determination method	English PDF
GB/T 40815.2-2021	Mechanical structures for electrical and electronic equipment—Thermal management for cabinets in accordance with inch and metric system—Part 2:Method for the determination of forced air cooling 电气和电子设备机械结构　符合英制系列和公制系列机柜的热管理　第2部分：强迫风冷的确定方法	China National Standards Determination method	English PDF
GB/T 12690.8-2021	Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 8:Determination of sodium content 稀土金属及其氧化物中非稀土杂质化学分析方法第8部分：钠量的测定	China National Standards Determination method	English PDF
GB/T 40844-2021	Determination of synthetic musks in cosmetics—GC-MS method 化妆品中人工合成麝香的测定气相色谱-质谱法	China National Standards Determination method	English PDF
GB/T 40845-2021	Determination of azelaic acid in cosmetics—Gas chromatography method 化妆品中壬二酸的检测气相色谱法	China National Standards Determination method	English PDF
GB/T 18996-2021	Silver jewellery alloys—Determination of silver—Volumetric (potentiometric) method using sodium chloride or potassium chloride 银合金首饰银含量的测定氯化钠或氯化钾容量法(电位滴定法)	China National Standards Determination method	English PDF
GB/T 17832-2021	Silver jewellery alloys—Determination of silver—Volumetric (potentiometric) method using potassium bromide 银合金首饰银含量的测定溴化钾容量法(电位滴定法)	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
GB/T 40971-2021	Methods for the determination of prohibited substance in furniture products and related materials—Polycyclic aromatic hydrocarbons 家具产品及其材料中禁限用物质测定方法多环芳烃	China National Standards Determination method	English PDF
GB/T 40908-2021	Methods for the determination of prohibited substances in furniture products and related materials—Flame retardants 家具产品及其材料中禁限用物质测定方法阻燃剂	China National Standards Determination method	English PDF
GB/T 40907-2021	Methods for the determination of prohibited substances in furniture products and related materials -- 2, 4-diaminotoluene and 4, 4'-methylenedianiline 家具产品及其材料中禁限用物质测定方法? 2,4-二氨基甲苯、4，4’-二氨基二苯甲烷	China National Standards Determination method	English PDF
GB/T 6683.1-2021	Petroleum and related products—Precision of measurement methods and results—Part 1: Determination of precision data in relation to methods of test 石油及相关产品测量方法与结果精密度第1部分：试验方法精密度数据的确定	China National Standards Determination method	English PDF
GB/T 40722.2-2021	Styrene-butadiene rubber(SBR) -- Determination of the microstructure of solution-polymerized SBR -- Part 2: FTIR with ATR method 苯乙烯-丁二烯橡胶（SBR）? 溶液聚合SBR微观结构的测定? 第2部分：红外光谱ATR 法	China National Standards Determination method	English PDF
GB/T 39560.702-2021	Determination of certain substances in electrical and electronic products—Part 7-2:Hexavalent chrome—Determination of hexavalent chrome[Cr(VI)]in polymers and electronics by the colormetric method 电子电气产品中某些物质的测定第7-2部分：六价铬比色法测定聚合物和电子件中的六价铬[Cr（VI）]	China National Standards Determination method	English PDF
GB/T 40797-2021	Rubber, vulcanized or thermoplastic -- Determination of resistance to abrasion -- Driven, vertical abrasive disc method 硫化橡胶或热塑性橡胶耐磨性能的测定垂直驱动磨盘法	China National Standards Determination method	English PDF
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）	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
GB/T 39101-2020	Determination of antimicrobial activity for polypeptides—Inhibition zone method 多肽抗菌性测定抑菌圈法	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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)	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF
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	China National Standards Determination method	English PDF

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