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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| 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 |
China National Standards content |
 English PDF |
| GB/T 7731.10-2021 |
Ferrotungsten—Determination of carbon content—Infrared absorption method 钨铁 碳含量的测定 红外线吸收法 |
China National Standards content |
English PDF |
| GB/T 5687.13-2021 |
Ferrochromium—Determination of chromium, silicon, manganese, titanium, vanadium, iron contents—Wavelength dispersive X-ray fluorescence spectrometry (fused cast bead method) 铬铁 铬、硅、锰、钛、钒和铁含量的测定 波长色散X射线荧光光谱法(熔铸玻璃片法) |
China National Standards content |
English PDF |
| GB/T 5195.11-2021 |
Fluorspar—Determination of manganese content—Periodate spectrophotometry and flame atomic absorption spectrometry 萤石 锰含量的测定 高碘酸盐分光光度法和火焰原子吸收光谱法 |
China National Standards content |
English PDF |
| GB/T 223.90-2021 |
Iron, steel and alloy—Determination of silicon content—Inductively coupled plasma atomic emission spectrometric method 钢铁及合金 硅含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards content |
English PDF |
| GB/T 40374-2021 |
Hardmetals—Determination of lead and cadmium content—Flame atomic absorption spectrometric method and inductively coupled plasma atomic emission spectrometry 硬质合金化学分析方法 铅量和镉量的测定 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 |
China National Standards content |
English PDF |
| GB/T 19559-2021 |
Method of determining coalbed methane content 煤层气含量测定方法 |
China National Standards content |
English PDF |
| GB/T 40496-2021 |
Determination of antioxidant content in jet fuel—High performance liquid chromatography 喷气燃料中抗氧剂含量的测定 高效液相色谱法 |
China National Standards content |
English PDF |
| GB/T 40493-2021 |
Determination of lead, cadmium, chromium and mercury content in the finishing material of wood-based panel 人造板饰面材料中铅、镉、铬、汞重金属元素含量测定 |
China National Standards content |
English PDF |
| GB/T 40486-2021 |
Determination of melittin content in bee venom powder—High performance liquid chromatography 蜂毒干粉中蜂毒溶血肽含量的测定 高效液相色谱法 |
China National Standards content |
English PDF |
| GB/T 40543-2021 |
Petroleum and natural gas industries—Materials selection for high content CO2 for casing, tubing and downhole equipment 石油天然气工业 高含CO2环境用套管、油管及井下工具的材料选择 |
China National Standards content |
English PDF |
| GB/T 40114-2021 |
Jewellery—Determination of precious metal content—Difference method using inductively coupled plasma optical emission spectroscopy 首饰 贵金属含量的测定 ICP差减法 |
China National Standards content |
English PDF |
| GB/T 34520.9-2021 |
Test methods of continuous silicon carbide fibers - Part 9: Carbon content 连续碳化硅纤维测试方法 第9部分：碳含量 |
China National Standards content |
English PDF |
| GB/T 22808-2021 |
Leather and fur-Chemical tests-Determination of chlorinated phenols content 皮革和毛皮 化学试验 含氯苯酚的测定 |
China National Standards content |
English PDF |
| GB/T 14949.5-2021 |
Manganese ores一Determination of titanium content一Diantipyrylmethane spectrophotometric method 锰矿石 钛含量的测定 二安替吡啉甲烷分光光度法 |
China National Standards content |
English PDF |
| GB/T 14949.12-2021 |
Manganese ores - Determination of combined water content - Gravimetric method 锰矿石 化合水含量的测定 重量法 |
China National Standards content |
English PDF |
| GB/T 8152.15-2021 |
Methods for chemical analysis of lead concentrates—Part 15:Determination of soluble lead content—Flame atomic absorption spectrometry 铅精矿化学分析方法 第15部分：可溶性铅含量的测定 火焰原子吸收光谱法 |
China National Standards content |
English PDF |
| GB/T 7739.4-2021 |
Methods for chemical analysis of gold concentrates—Part 4:Determination of copper content 金精矿化学分析方法 第4部分：铜量的测定 |
China National Standards content |
English PDF |
| GB/T 20373-2021 |
Determination of acetyl content in modified starch—Titrimetric method 变性淀粉中乙酰基含量的测定 滴定法 |
China National Standards content |
English PDF |
| GB 24427-2021 |
content limitation of mercury, cadmium and lead for zinc anode primary battery 锌负极原电池汞镉铅含量的限制要求 |
China National Standards content |
English PDF |
| GB/T 11066.11-2021 |
Methods for chemical analysis of gold-Part 11:Determination of magnesium，chromium，manganese，iron，nickel copper，palladium，silver，tin，antimony，lead and bismuth contents-Inductively coupled plasma mass spectrometry 金化学分析方法 第11部分：镁、铬、锰、铁、镍、铜、钯、银、锡、锑、铅和铋含量的测定 电感耦合等离子体质谱法 |
China National Standards content |
English PDF |
| GB/T 8151.24-2021 |
Methods for chemical analysis of zinc concentrates—Part 24:Determination of soluble zinc content—Flame atomic absorption spectrometry 锌精矿化学分析方法 第24部分:可溶性锌含量的测定 火焰原子吸收光谱法 |
China National Standards content |
English PDF |
| GB/T 17650.1-2021 |
Test on gases evolved during combustion of materials from cables or optical fiber cables-Part 1:Determination of the halogen acid gas content 取自电缆或光缆的材料燃烧时释出气体的试验方法 第1部分：卤酸气体总量的测定 |
China National Standards content |
English PDF |
| GB/T 19702-2021 |
In vitro diagnostic medical devices -- Measurement of quantities in samples of biological origin -- Requirements for content and presentation of reference measurement procedures 体外诊断医疗器械 生物源性样品中量的测量 参考测量程序的表述和内容的要求 |
China National Standards content |
English PDF |
| GB/T 39748.11-2021 |
Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 11:Determination of content of respirable particles 失禁用尿吸收辅助器具 聚合物基质吸液材料特性的测试方法 第11部分：可吸入颗粒含量的测定 |
China National Standards content |
English PDF |
| GB/T 39748.10-2021 |
Urine-absorbing aids for incontinence -- Test methods for characterizing polymer-based absorbent materials -- Part 10: Determination of extractable polymer content by potentiometric titration 失禁用尿吸收辅助器具 聚合物基质吸液材料特性的测定方法 第10部分：电位滴定法测定可萃取聚合物量 |
China National Standards content |
English PDF |
| GB/T 14352.22-2021 |
Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 22：Determination of antimony content -- Hydride generation atomic fluorescence spectrometry 钨矿石、钼矿石化学分析方法 第22部分：锑量的测定 氢化物发生-原子荧光光谱法 |
China National Standards content |
English PDF |
| GB/T 14352.21-2021 |
Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 21: Determination of arsenic content -- Hydride generation atomic fluorescence spectrometry 钨矿石、钼矿石化学分析方法 第21部分：砷量的测定 氢化物发生-原子荧光光谱法 |
China National Standards content |
English PDF |
| GB/T 14352.20-2021 |
Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 20：Determination of niobium，tantalum，zirconium，hafnium and 15 rare earth elements content -- Inductively coupled plasma mass spectrometry 钨矿石、钼矿石化学分析方法 第20部分：铌、钽、锆、铪及15个稀土元素量的测定 电感耦合等离子体质谱法 |
China National Standards content |
English PDF |
| GB/T 14352.19-2021 |
Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 19: Determination of bismuth, cadmium, cobalt, copper, iron, lithium, nickel, phosphorus, lead, strontium, vanadium and zinc content -- Inductive-coupled plasma atomic emission spe 钨矿石、钼矿石化学分析方法 第19部分：铋、镉、钴、铜、铁、锂、镍、磷、铅、锶、钒和锌量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards content |
English PDF |
| GB/T 41021-2021 |
Forensic sciences -- content and format of DNA identification report 法庭科学? DNA鉴定文书内容及格式 |
China National Standards content |
English PDF |
| GB/T 41042-2021 |
Guidance for utilization and classification of content of valuable elements in coal 煤中有价元素含量分级及应用导则 |
China National Standards content |
English PDF |
| GB/T 5121.28-2021 |
Methods for chemical analysis of copper and copper alloys—Part 28：Determination of chromium,iron,manganese,cobalt,nickel,zinc,arsenic,selenium,silver,cadmium,tin,antimony,tellurium,lead and bismuth content—Inductively coupled plasma-mass spectrometry 铜及铜合金化学分析方法 第28部分：铬、铁、锰、钴、镍、锌、砷、硒、银、镉、锡、锑、碲、铅和铋含量的测定 电感耦合等离子体质谱法 |
China National Standards content |
English PDF |
| 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 content |
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 content |
English PDF |
| GB/T 24166-2021 |
Determination of the content of chlorinated phenols in dye products 染料产品中含氯苯酚的测定 |
China National Standards content |
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 content |
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 content |
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 content |
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 content |
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 content |
English PDF |
| GB/T 13277.7-2021 |
Compressed air -- Part 7：Test method for viable microbiological contaminant content 压缩空气? 第7部分：活性微生物含量测量方法 |
China National Standards content |
English PDF |
| GB/T 13277.6-2021 |
Compressed air -- Part 6：Test methods for gaseous contaminant content 压缩空气 第6部分：气态污染物含量测量方法 |
China National Standards content |
English PDF |
| GB/T 41065-2021 |
Basalt fiber -- Determination of combustible matter content 玄武岩纤维 可燃物含量的测定 |
China National Standards content |
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 content |
English PDF |
| GB/T 38478-2021 |
Determination of astaxanthin opticalisomers content—Liquid chromatography 虾青素旋光异构体含量的测定 液相色谱法 |
China National Standards content |
English PDF |
| GB/T 38479-2021 |
Determination of chitosan content -- High performance liquid chromatography 壳聚糖含量测定? 高效液相色谱法 |
China National Standards content |
English PDF |
| 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 |
China National Standards content |
English PDF |
| GB/T 40849-2021 |
Data contents for holo-graphic location-based map 全息位置地图数据内容 |
China National Standards content |
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 content |
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 content |
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 content |
English PDF |
| GB/T 29614-2021 |
Vulcanized rubber—Determination the content of polycyclic aromatic hydrocarbons 硫化橡胶 多环芳烃含量的测定 |
China National Standards content |
English PDF |
| GB/T 22930.2-2021 |
Leather and fur—Chemical determination of metal content—Part 2:Total metal content 皮革和毛皮 金属含量的化学测定 第2部分：金属总量 |
China National Standards content |
English PDF |
| GB/T 22930.1-2021 |
Leather and fur—Chemical determination of metal content—Part 1:Extractable metals 皮革和毛皮 金属含量的化学测定 第1部分：可萃取金属 |
China National Standards content |
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 content |
English PDF |
| GB/T 23801-2021 |
Determination of fatty acid methyl ester (FAME) content in middle distillates—Infrared spectrometry 中间馏分油中脂肪酸甲酯含量的测定 红外光谱法 |
China National Standards content |
English PDF |
| GB/T 40789-2021 |
Gas analysis—Online automated measuring systems for content of carbon monoxide,carbon dioxide and oxygen—Determination of performance characteristics 气体分析 一氧化碳含量、二氧化碳含量和氧气含量在线自动测量系统 性能特征的确定 |
China National Standards content |
English PDF |
| GB/T 40423-2021 |
Health informatics—Basic contents and format specification of health examination 健康信息学 健康体检基本内容与格式规范 |
China National Standards content |
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 content |
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 content |
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 content |
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 content |
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 content |
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 content |
English PDF |
| GB 31893-2015 |
Limit and determination of the water-soluble Chromium（Ⅵ）content for cement + No.1 modification sheet 水泥中水溶性铬（Ⅵ）的限量及测定方法+《第1号修改单》 |
China National Standards content |
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 content |
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 content |
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 content |
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 content |
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 content |
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 content |
English PDF |
| GB/T 39144-2020 |
Test method for magnesium content in gallium nitride materials—Secondary ion mass spectrometry 氮化镓材料中镁含量的测定 二次离子质谱法 |
China National Standards content |
English PDF |
| GB/T 39145-2020 |
Test method for the content of surface metal elements on silicon wafers—Inductively coupled plasma mass spectrometry 硅片表面金属元素含量的测定 电感耦合等离子体质谱法 |
China National Standards content |
English PDF |
| GB/T 39190-2020 |
Smart home for internet of things—Design content and requirements 物联网智能家居 设计内容及要求 |
China National Standards content |
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 content |
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 content |
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 content |
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 content |
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 content |
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 content |
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 content |
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 content |
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 content |
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 content |
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 content |
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 content |
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 content |
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 content |
English PDF |
| GB/T 20975.12-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 12: Determination of titanium content 铝及铝合金化学分析方法 第12部分：钛含量的测定 |
China National Standards content |
English PDF |
| GB/T 20975.14-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 14：Determination of nickel content 铝及铝合金化学分析方法 第14部分：镍含量的测定 |
China National Standards content |
English PDF |
| GB/T 20975.16-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 16：Determination of magnesium content 铝及铝合金化学分析方法 第16部分：镁含量的测定 |
China National Standards content |
English PDF |
| GB/T 20975.18-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 18:Determination of chromium content 铝及铝合金化学分析方法 第18部分：铬含量的测定 |
China National Standards content |
English PDF |
| GB/T 20975.22-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 22:Determination of beryllium content 铝及铝合金化学分析方法 第22部分：铍含量的测定 |
China National Standards content |
English PDF |
| GB/T 20975.24-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 24：Determination of total rare earth content 铝及铝合金化学分析方法 第24部分：稀土总含量的测定 |
China National Standards content |
English PDF |
| GB/T 20975.25-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 25：Determination of elements content—Inductively coupled plasma atomic emission spectrometric method 铝及铝合金化学分析方法 第25部分：元素含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards content |
English PDF |
| GB/T 20975.35-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 35:Determination of tungsten content—Thiocyanate spectrophotometric method 铝及铝合金化学分析方法 第35部分：钨含量的测定 硫氰酸盐分光光度法 |
China National Standards content |
English PDF |
| GB/T 20975.36-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 36:Determination of silver content—Flame atomic absorption spectrometry 铝及铝合金化学分析方法 第36部分：银含量的测定 火焰原子吸收光谱法 |
China National Standards content |
English PDF |
| GB/T 17360-2020 |
Microbeam analysis—Method of quantitative determination for low contents of silicon and manganese in steels using electron probe microanalyzer 微束分析 钢中低含量硅、锰的电子探针定量分析方法 |
China National Standards content |
English PDF |
| GB/T 38939-2020 |
Nickel-based alloy—Determination of multi-element contents—Spark discharge atomic emission spectrometric method(routine method) 镍基合金 多元素含量的测定 火花放电原子发射光谱分析法（常规法） |
China National Standards content |
English PDF |
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