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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 41704-2022 |
Testing method for cathode material of lithium ion battery - Determination of magnetic foreign matter content and residual alkali content {译} 锂离子电池正极材料检测方法 磁性异物含量和残余碱含量的测定 |
China National Standards content, |
 English PDF |
| GB/T 6730.61-2022 |
Iron ore - Determination of carbon and sulfur content - High frequency combustion infrared absorption method {译} 铁矿石 碳和硫含量的测定 高频燃烧红外吸收法 |
China National Standards content, |
English PDF |
| GB/T 20092.3-2022 |
Chinese News Information content Part 3: XML Format for Data Exchange {译} 中文新闻信息内容 第3部分：数据交换的XML格式 |
China National Standards content, |
English PDF |
| GB/T 20092.2-2022 |
Chinese News Information content Part 2: News Metadata {译} 中文新闻信息内容 第2部分：新闻元数据 |
China National Standards content, |
English PDF |
| GB/T 20092.1-2022 |
Chinese News Information content Part 1: Conceptual Model {译} 中文新闻信息内容 第1部分：概念模型 |
China National Standards content, |
English PDF |
| GB/T 41768-2022 |
Thermal insulation materials for building - Determination of organic matter content {译} 建筑用绝热材料 有机物含量的测定 |
China National Standards content, |
English PDF |
| GB/T 38265.9-2022 |
Test methods for soldering fluxes - Part 9: Determination of ammonia content {译} 软钎剂试验方法 第9部分：氨含量的测定 |
China National Standards content, |
English PDF |
| GB/T 38265.8-2022 |
Test methods for soldering fluxes - Part 8: Determination of zinc content {译} 软钎剂试验方法 第8部分：锌含量的测定 |
China National Standards content, |
English PDF |
| GB/T 38265.6-2022 |
Test methods for soldering fluxes - Part 6: Determination of halide (excluding fluoride) content {译} 软钎剂试验方法 第6部分：卤化物（不包括氟化物）含量的测定 |
China National Standards content, |
English PDF |
| GB/T 6730.64-2022 |
Iron ore - Determination of water-soluble chloride content - Ion selective electrode method {译} 铁矿石 水溶性氯化物含量的测定 离子选择电极法 |
China National Standards content, |
English PDF |
| GB/T 18931-2022 |
Classification of alkaline dense shaped refractory products with carbon content less than 7% {译} 碳含量小于7%的碱性致密定形耐火制品分类 |
China National Standards content, |
English PDF |
| GB/T 25963-2022 |
Determination of aromatics content in middle distillates containing fatty acid methyl esters - High performance liquid chromatography with differential refractive index detector {译} 含脂肪酸甲酯中间馏分芳烃含量的测定 示差折光检测器高效液相色谱法 |
China National Standards content, |
English PDF |
| GB/T 8039-2022 |
Determination method of total sulfur content in coking benzene products {译} 焦化苯类产品全硫含量的测定方法 |
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 40535.1-2021 |
Test methods of continuous nitride ceramic fibers—Part 1：Nitrogen content 连续氮化物陶瓷纤维测试方法 第1部分：氮含量 |
China National Standards content, |
English PDF |
| GB/T 40503-2021 |
Measuring methods of secondary coal slime content in coal preparation plant 选煤厂次生煤泥量的测定方法 |
China National Standards content, |
English PDF |
| GB/T 40461-2021 |
Determination of sodium content for fertilizers 肥料中钠含量的测定 |
China National Standards content, |
English PDF |
| GB/T 40342-2021 |
Method for determination of aluminum content in hot dipped zinc-aluminum alloy coating on steel wire 钢丝热镀锌铝合金镀层中铝含量的测定 |
China National Standards content, |
English PDF |
| GB/T 40312-2021 |
Ferrophosphorus—Determination of phosphorus, silicon, manganese and titanium content—Wavelength dispersive X-ray fluorescence spectrometry method (fused cast bead method) 磷铁 磷、硅、锰和钛含量的测定 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 40311-2021 |
Vanadium slag—Determination of multi-element contents—Wavelength dispersive X-ray fluorescence spectrometry(fused cast bead method) 钒渣 多元素的测定 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 40304-2021 |
Determination of content of nonmetallic inclusions in steel—Billet full section method 钢中非金属夹杂物含量的测定 钢坯全截面法 |
China National Standards content, |
English PDF |
| GB/T 40281-2021 |
Determination of content of nonmetallic inclusions in steel—Extremum analytical method 钢中非金属夹杂物含量的测定 极值分析法 |
China National Standards content, |
English PDF |
| GB/T 39715.4-2021 |
Plastics—Biobased content—Part 4: Determination of biobased mass content 塑料 生物基含量 第4部分：生物基物质含量的测定 |
China National Standards content, |
English PDF |
| GB/T 39715.3-2021 |
Plastics—Biobased content—Part 3:Determination of biobased synthetic polymer content 塑料 生物基含量 第3部分：生物基合成聚合物含量的测定 |
China National Standards content, |
English PDF |
| GB/T 39715.2-2021 |
Plastics—Biobased content—Part 2: Determination of biobased carbon content 塑料 生物基含量 第2部分：生物基碳含量的测定 |
China National Standards content, |
English PDF |
| GB/T 39715.1-2021 |
Plastics—Biobased content—Part 1: General principles 塑料 生物基含量 第1部分：通用原则 |
China National Standards content, |
English PDF |
| GB/T 34830.2-2021 |
Collection specifications for credit information—Part 2: Contents 信用信息征集规范 第2部分：内容 |
China National Standards content, |
English PDF |
| GB/T 34520.8-2021 |
Test methods of continuous silicon carbide fibers—Part 8：Oxygen content 连续碳化硅纤维测试方法 第8部分：氧含量 |
China National Standards content, |
English PDF |
| GB/T 20899.6-2021 |
Methods for chemical analysis of gold ores—Part 6: Determination of zinc content 金矿石化学分析方法 第6部分：锌量的测定 |
China National Standards content, |
English PDF |
| GB/T 20899.5-2021 |
Methods for chemical analysis of gold ores—Part 5: Determination of lead content 金矿石化学分析方法 第5部分：铅量的测定 |
China National Standards content, |
English PDF |
| GB/T 20899.4-2021 |
Methods for chemical analysis of gold ores—Part 4: Determination of copper content 金矿石化学分析方法 第4部分：铜量的测定 |
China National Standards content, |
English PDF |
| GB/T 15224.2-2021 |
Classification for quality of coal—Part 2: Sulfur content 煤炭质量分级 第2部分：硫分 |
China National Standards content, |
English PDF |
| GB/T 14949.2-2021 |
Manganese ores—Determination of nickel content—Flame atomic absorption spectrometric method 锰矿石 镍含量的测定 火焰原子吸收光谱法 |
China National Standards content, |
English PDF |
| GB/T 14949.11-2021 |
Manganese ores—Determination of carbon content—Gravimetric method and infrared absorption method 锰矿石 碳含量的测定 重量法和红外线吸收法 |
China National Standards content, |
English PDF |
| GB/T 7739.6-2021 |
Methods for chemical analysis of gold concentrates—Part 6: Determination of zinc content 金精矿化学分析方法 第6部分：锌量的测定 |
China National Standards content, |
English PDF |
| GB/T 7739.5-2021 |
Methods for chemical analysis of gold concentrates—Part 5: Determination of lead content 金精矿化学分析方法 第5部分：铅量的测定 |
China National Standards content, |
English PDF |
| GB/T 7731.5-2021 |
Ferrotungsten—Determination of silicon content—Silicomolybdenum blue spectrophotometric method 钨铁 硅含量的测定 硅钼蓝分光光度法 |
China National Standards content, |
English PDF |
| GB/T 7731.4-2021 |
Ferrotungsten—Determination of phosphorus content—Phosphorus molybdenum blue spectrophotometric method 钨铁 磷含量的测定 磷钼蓝分光光度法 |
China National Standards content, |
English PDF |
| 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 |
| GB/T 38829-2020 |
Technical requirements for IPTV media delivery system—content access IPTV媒体交付系统技术要求 内容接入 |
China National Standards content, |
English PDF |
| GB/T 38812.3-2020 |
Direct reduced iron—Determination of silicon, manganese, phosphorus, vanadium, titanium, copper, aluminum, arsenic, magnesium, calcium, potassium and sodium content—Inductively coupled plasma atomic emission spectrometric method 直接还原铁 硅、锰、磷、钒、钛、铜、铝、砷、镁、钙、钾、钠含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards content, |
English PDF |
| GB/T 38812.2-2020 |
Direct reduced iron—Determination of metallic iron content—The potassium dichromate titrimetric method after decomposition of sample by ferric chloride 直接还原铁 金属铁含量的测定 三氯化铁分解重铬酸钾滴定法 |
China National Standards content, |
English PDF |
| GB/T 38812.1-2020 |
Direct reduced iron—Determination of iron(Ⅱ) content—The potassium dichromate titrimetric method after decomposition of sample by ferric chloride 直接还原铁 亚铁含量的测定 三氯化铁分解重铬酸钾滴定法 |
China National Standards content, |
English PDF |
| GB/T 38801-2020 |
Technical requirements for content distribution network—Interconnection use cases 内容分发网络技术要求 互联应用场景 |
China National Standards content, |
English PDF |
| GB/T 8454-2020 |
Reduced ilmenite powder for welding rob—Determination of ferrous iron content—Potassium dichromate titrimetric method 焊条用还原钛铁矿粉 亚铁含量的测定 重铬酸钾滴定法 |
China National Standards content, |
English PDF |
| GB/T 6730.82-2020 |
Iron ores—Determination of barium content—EDTA titrimetric method 铁矿石 钡含量的测定 EDTA滴定法 |
China National Standards content, |
English PDF |
| GB/T 8704.6-2020 |
Ferrovanadium—Determination of silicon content—The sulfuric acid dehydration gralimetric method and the silicomolybdic blue photometric method 钒铁 硅含量的测定 硫酸脱水重量法和硅钼蓝分光光度法 |
China National Standards content, |
English PDF |
| GB/T 8704.5-2020 |
Ferrovanadium—Determination of vanadium content—The ammonium ferrous sulfate titrimetric method and the potentiometric titrimetric method 钒铁 钒含量的测定 硫酸亚铁铵滴定法和电位滴定法 |
China National Standards content, |
English PDF |
| GB/T 8704.10-2020 |
Ferrovanadium—Determination of silicon, manganese, phosphorus, aluminum, copper, chromium, nickel and titanium contents— Inductively coupled plasma atomic emission spectrometric method 钒铁 硅、锰、磷、铝、铜、铬、镍、钛含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards content, |
English PDF |
| GB/T 5687.12-2020 |
Ferrochromium—Determination of phosphorus, aluminum, titanium, copper, manganese, calcium content—Inductively coupled plasma atomic emission spectrometric method 铬铁 磷、铝、钛、铜、锰、钙含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards content, |
English PDF |
| GB/T 38744-2020 |
Methods for chemical analysis of synergistic catalysis elements in automotive exhaust catalysis－Determination of cerium, lanthanum, praseodymium, neodymium ,barium and zirconium contents－Inductively coupled plasma atomic emission spectrometry 机动车尾气净化器中助剂元素化学分析方法 铈、镧、镨、钕、钡、锆含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards content, |
English PDF |
| GB/T 3286.10-2020 |
Methods for chemical analysis of limestone and dolornite一Part 10:Determination of titanium dioxide content一Diantipyrylmethane spectrophotometric method 石灰石及白云石化学分析方法 第10部分：二氧化钛含量的测定 二安替吡啉甲烷分光光度法 |
China National Standards content, |
English PDF |
| GB/T 38597-2020 |
Technical requirement for low-volatile-organic-compound-content coatings product 低挥发性有机化合物含量涂料产品技术要求 |
China National Standards content, |
English PDF |
| GB/T 38596-2020 |
Determination method of heavy metal contents in the wastewater during catalyst production 催化剂生产废水中重金属含量的测定 |
China National Standards content, |
English PDF |
| GB/T 38608-2020 |
Method for determination of the volatile organic compounds (VOCs) content in the ink 油墨中可挥发性有机化合物（VOCs）含量的测定方法 |
China National Standards content, |
English PDF |
| GB/T 38606-2020 |
Identification system for internet of things—Data content identifier 物联网标识体系 数据内容标识符 |
China National Standards content, |
English PDF |
| GB/T 38371.3-2020 |
Specification of digital content object storage, reuse and exchange—Part 3: Object conformance examination method 数字内容对象存储、复用与交换规范 第3部分：对象一致性检查方法 |
China National Standards content, |
English PDF |
| GB/T 38371.2-2020 |
Specification of digital content object storage, reuse and exchange— Part 2: Object encoding, storage and exchange 数字内容对象存储、复用与交换规范 第2部分：对象封装、存储与交换 |
China National Standards content, |
English PDF |
| GB/T 12729.5-2020 |
Spices and condiments-Determination of extraneous matter content 香辛料和调味品 外来物含量的测定 |
China National Standards content, |
English PDF |
| GB/T 20475.5-2020 |
Classification for content of harmful elements in coal--Part 5: Fluorine 煤中有害元素含量分级 第5部分：氟 |
China National Standards content, |
English PDF |
| GB/T 4698.10-2020 |
Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 10：Determination of chromium content—Ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry（with vanadium） 海绵钛、钛及钛合金化学分析方法 第10部分：铬量的测定 硫酸亚铁铵滴定法和电感耦合等离子体原子发射光谱法（含钒） |
China National Standards content, |
English PDF |
| GB/T 38513-2020 |
Methods for chemical analysis of niobium hafnium alloys—Determination of hafnium,titanium,zirconium,tungsten,tantalum contents—Inductively coupled plasma atomic emission spectrometry 铌铪合金化学分析方法 铪、钛、锆、钨、钽等元素的测定 电感耦合等离子体原子发射光谱法 |
China National Standards content, |
English PDF |
| GB/T 38548.6-2020 |
content resources digitization—Part 6:Model of application 内容资源数字化加工 第6部分：应用模式 |
China National Standards content, |
English PDF |
| GB/T 38548.5-2020 |
content resources digitization—Part 5:Quality control 内容资源数字化加工 第5部分：质量控制 |
China National Standards content, |
English PDF |
| GB/T 38548.4-2020 |
content resources digitization—Part 4:Metadata 内容资源数字化加工 第4部分：元数据 |
China National Standards content, |
English PDF |
| GB/T 38548.3-2020 |
content resources digitization—Part 3:Processing specification 内容资源数字化加工 第3部分：加工规格 |
China National Standards content, |
English PDF |
| GB/T 38548.2-2020 |
content resources digitization—Part 2:Method of acquisition 内容资源数字化加工 第2部分：采集方法 |
China National Standards content, |
English PDF |
| GB/T 38548.1-2020 |
content resources digitization—Part 1:Terminology 内容资源数字化加工 第1部分：术语 |
China National Standards content, |
English PDF |
| GB/T 38371.1-2020 |
Specification of digital content object storage, reuse and exchange—Part 1: Object model 数字内容对象存储、复用与交换规范 第1部分：对象模型 |
China National Standards content, |
English PDF |
| GB/T 4702.18-2020 |
Chromiun metal—Determination of vanadium content—Tantalum reagent trichloromethane extraction spectrophtometry method 金属铬 钒含量的测定 钽试剂三氯甲烷萃取分光光度法 |
China National Standards content, |
English PDF |
| GB/T 39719-2020 |
Field and concentrated natural rubber latices—Determination of magnesium content—Cyanide-free titrimetric method 新鲜和浓缩天然胶乳 镁含量的测定 滴定法（无氰法） |
China National Standards content, |
English PDF |
| GB/T 39574-2020 |
Technical requirements for content decency of smart terminal 智能终端内容过滤技术要求 |
China National Standards content, |
English PDF |
| GB/T 39573-2020 |
Test method for content decency of smart terminal 智能终端内容过滤测试方法 |
China National Standards content, |
English PDF |
| GB/T 39701-2020 |
Limit and test method of ammonium ion content in fly ash 粉煤灰中铵离子含量的限量及检验方法 |
China National Standards content, |
English PDF |
| GB/T 39544-2020 |
Natural rubber latex concentrate—Determination of total phosphate content—Spectrophotometric method 浓缩天然胶乳 总磷酸盐含量的测定 分光光度法 |
China National Standards content, |
English PDF |
| GB/T 15076.7-2020 |
Part 7: Determination of phosphorus content in niobium 4-methyl-pentanone- [2] extraction and separation of phosphorus molybdenum blue spectrophotometry and inductively coupled plasma atomic emission spectrometry 钽铌化学分析方法 第7部分：铌中磷量的测定 4-甲基-戊酮-[2]萃取分离磷钼蓝分光光度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 15076.6-2020 |
Methods for chemical analysis of tantalum and niobium--Part 6: Determination of silicon content--Inductively coupled plasma atomic emission spectrometry 钽铌化学分析方法 第6部分:硅量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards content, |
English PDF |
| GB/T 15076.4-2020 |
Methods for chemical analysis of tantalum and niobium--Part 4: Determination of iron content--1, 10-Phenanthroline spectrophotometry 钽铌化学分析方法 第4部分:铁量的测定 1，10—二氮杂菲分光光度法 |
China National Standards content, |
English PDF |
| GB/T 15076.11-2020 |
Methods for chemical analysis of tantalum and niobium--Part 11: Determination of arsenic, antimony, lead, tin and bismuth contents in niobium--Direct current arc atomic emission spectrometry 钽铌化学分析方法 第11部分:铌中砷、锑、铅、锡和铋量的测定 直流电弧原子发射光谱法 |
China National Standards content, |
English PDF |
| GB/T 14849.3-2020 |
Methods for chemical analysis of silicon metal--Part 3: Determination of calcium content 工业硅化学分析方法 第3部分：钙含量的测定 |
China National Standards content, |
English PDF |
| GB/T 14849.1-2020 |
Methods for chemical analysis of silicon metal--Part 1: Determination of iron content 工业硅化学分析方法 第1部分：铁含量的测定 |
China National Standards content, |
English PDF |
| GB/T 13747.4-2020 |
Methods for chemical analysis of zirconium and zirconium alloys--Part 4: Determination of chromium content--Diphenylcarbazide spectrophotometry andinductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法 第4部分：铬量的测定 二苯卡巴肼分光光度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 13747.3-2020 |
Methods for chemical analysis of zirconium and zirconium alloys--Part 3: Determination of nickel content--Dimethyglyoxime spectrophotometry andinductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法 第3部分：镍量的测定 丁二酮肟分光光度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 13747.27-2020 |
Methods for chemical analysis of zirconium and zirconium alloys--Part 27: Determination of trace impurities content--Inductively coupled plasma mass spectrometry 锆及锆合金化学分析方法 第27部分：痕量杂质元素的测定 电感耦合等离子体质谱法 |
China National Standards content, |
English PDF |
| GB/T 39229-2020 |
Fertilizers and soil conditioners—Determination of arsenic,cadmium,chromium,lead and mercury contents 肥料和土壤调理剂 砷、镉、铬、铅、汞含量的测定 |
China National Standards content, |
English PDF |
| GB/T 23349-2020 |
Determination of arsenic,cadmium,chromium,lead and mercury contents for fertilizers 肥料中砷、镉、铬、铅、汞含量的测定 |
China National Standards content, |
English PDF |
| GB/T 19703-2020 |
In vitro diagnostic medical devices—Measurement of quantities in samples of biological origin—Requirements for certified reference materials and the content of supporting documentation 体外诊断医疗器械 生物源性样品中量的测量 有证参考物质及支持文件内容的要求 |
China National Standards content, |
English PDF |
| GB/T 39290-2020 |
Determination the content of the aromatic amines in adhesives 胶粘剂中芳香胺含量的测定 |
China National Standards content, |
English PDF |
| GB/T 39285-2020 |
Method for chemical analysis of palladium compounds—Determination of chlorine content—Ion chromatography 钯化合物分析方法 氯含量的测定 离子色谱法 |
China National Standards content, |
English PDF |
| GB/T 37363.4-2020 |
Determination of biocides content of coating materials—Part 4: Determination of carbendazim content 涂料中生物杀伤剂含量的测定 第4部分：多菌灵含量的测定 |
China National Standards content, |
English PDF |
| GB/T 37363.3-2020 |
Determination of biocides content of coating materials—Part 3:Determination of triclosan content 涂料中生物杀伤剂含量的测定 第3部分：三氯生含量的测定 |
China National Standards content, |
English PDF |
| GB/T 20975.8-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 8：Determination of zinc content 铝及铝合金化学分析方法 第8部分：锌含量的测定 |
China National Standards content, |
English PDF |
| GB/T 20975.34-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 34：Determination of sodium content—Flame atomic absorption spectrometric method 铝及铝合金化学分析方法 第34部分：钠含量的测定 火焰原子吸收光谱法 |
China National Standards content, |
English PDF |
| GB/T 20975.33-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 33：Determination of potassium content—Flame atomic absorption spectrometric method 铝及铝合金化学分析方法 第33部分：钾含量的测定 火焰原子吸收光谱法 |
China National Standards content, |
English PDF |
| GB/T 20975.32-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 32：Determination of bismuth content 铝及铝合金化学分析方法 第32部分：铋含量的测定 |
China National Standards content, |
English PDF |
| GB/T 20975.20-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 20：Determination of gallium content—Butyrhodamine B spectrophotometric method 铝及铝合金化学分析方法 第20部分：镓含量的测定 丁基罗丹明B分光光度法 |
China National Standards content, |
English PDF |
| GB/T 20975.19-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 19：Determination of zirconium content 铝及铝合金化学分析方法 第19部分：锆含量的测定 |
China National Standards content, |
English PDF |
| GB/T 20975.15-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 15：Determination of boron content 铝及铝合金化学分析方法 第15部分：硼含量的测定 |
China National Standards content, |
English PDF |
| GB/T 20975.13-2020 |
Methods for chemical analysis of aluminium and aluminium alloys—Part 13：Determination of vanadium content 铝及铝合金化学分析方法 第13部分：钒含量的测定 |
China National Standards content, |
English PDF |
| GB/T 14635-2020 |
Rare earth metals and their compounds—Determination of total rare earth content 稀土金属及其化合物化学分析方法 稀土总量的测定 |
China National Standards content, |
English PDF |
| GB/T 3780.28-2020 |
Carbon black—Part 28: Determination the content of polycyclic aromatic hydrocarbons 炭黑 第28部分：多环芳烃含量的测定 |
China National Standards content, |
English PDF |
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