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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 41800-2022 |
Information technology-sensor network-technical requirements for storage safety monitoring system of explosive hazardous chemicals {译} 信息技术 传感器网络 爆炸危险化学品贮存安全监测系统技术要求 |
China National Standards chemical |
 English PDF |
| GB/T 41769-2022 |
CdZnTe chemical analysis method - Determination of zinc and cadmium content - Inductively coupled plasma atomic emission spectrometry {译} 碲锌镉化学分析方法 锌和镉含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards chemical |
English PDF |
| GB/T 13747.18-2022 |
Methods for chemical analysis of zirconium and zirconium alloys - Part 18: Determination of vanadium content - Benzoylphenyl hydroxylamine spectrophotometry and inductively coupled plasma atomic emission spectrometry {译} 锆及锆合金化学分析方法 第18部分：钒含量的测定 苯甲酰苯基羟胺分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards chemical |
English PDF |
| GB/T 13747.10-2022 |
Methods for chemical analysis of zirconium and zirconium alloys - Part 10: Determination of tungsten content - Thiocyanate spectrophotometry and inductively coupled plasma atomic emission spectrometry {译} 锆及锆合金化学分析方法 第10部分：钨含量的测定 硫氰酸盐分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards chemical |
English PDF |
| GB/T 13747.9-2022 |
Methods for chemical analysis of zirconium and zirconium alloys - Part 9: Determination of magnesium content - flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry {译} 锆及锆合金化学分析方法 第9部分：镁含量的测定 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 chemical |
English PDF |
| GB/T 6150.17-2022 |
Methods for chemical analysis of tungsten concentrates - Part 17: Determination of antimony content - Atomic fluorescence spectrometry {译} 钨精矿化学分析方法 第17部分：锑含量的测定 原子荧光光谱法 |
China National Standards chemical |
English PDF |
| GB/T 6150.13-2022 |
Methods for chemical analysis of tungsten concentrates - Part 13: Determination of arsenic content - Atomic fluorescence spectrometry and DDTC-Ag spectrophotometry {译} 钨精矿化学分析方法 第13部分：砷含量的测定 原子荧光光谱法和DDTC-Ag分光光度法 |
China National Standards chemical |
English PDF |
| GB/T 6150.2-2022 |
Methods for chemical analysis of tungsten concentrates - Part 2: Determination of tin content - Potassium iodate titration and inductively coupled plasma atomic emission spectrometry {译} 钨精矿化学分析方法 第2部分：锡含量的测定 碘酸钾滴定法和电感耦合等离子体原子发射光谱法 |
China National Standards chemical |
English PDF |
| GB/T 14233.1-2022 |
Test methods for medical infusion, blood transfusion and injection equipment - Part 1: chemical analysis methods {译} 医用输液、输血、注射器具检验方法 第1部分：化学分析方法 |
China National Standards chemical |
English PDF |
| GB/T 41725-2022 |
Guidelines for Establishing Limits of chemical Substances in Consumer Products {译} 消费品中化学物质限量制定导则 |
China National Standards chemical |
English PDF |
| GB/T 38265.17-2022 |
Soldering flux test methods - Part 17: Surface insulation resistance comb test and electrochemical migration test for flux residues {译} 软钎剂试验方法 第17部分：钎剂残留物的表面绝缘电阻梳刷试验和电化学迁移试验 |
China National Standards chemical |
English PDF |
| GB/T 41693-2022 |
Guidelines for the Evaluation and Determination of chemical Substances of Very High Concern {译} 高关注化学物质评估判定导则 |
China National Standards chemical |
English PDF |
| GB/T 41692-2022 |
chemicals Rare goby larvae growth test {译} 化学品 稀有鮈鲫幼体生长试验 |
China National Standards chemical |
English PDF |
| GB/T 41691-2022 |
chemicals - Single exposure toxicity test for bee larvae {译} 化学品 蜜蜂幼虫单次暴露毒性试验 |
China National Standards chemical |
English PDF |
| GB/Z 27426-2022 |
Guidelines for monitoring the validity of chemical analysis laboratory results {译} 化学分析实验室结果有效性监控指南 |
China National Standards chemical |
English PDF |
| GB 24539-2021 |
Protective clothing—chemical protective clothing 防护服装 化学防护服 |
China National Standards chemical |
English PDF |
| GB/T 40409-2021 |
Flame retardant chemical—Tetrabromophthalate diol 阻燃化学品 四溴苯酐二醇 |
China National Standards chemical |
English PDF |
| GB/T 40299-2021 |
Corrosion of metals and alloys—Conventions applicable to electrochemical measurements in corrosion testing 金属和合金的腐蚀 腐蚀试验电化学测量方法适用惯例 |
China National Standards chemical |
English PDF |
| GB/T 29329-2021 |
Vocabulary of waste chemicals 废弃化学品术语 |
China National Standards chemical |
English PDF |
| GB/T 25915.8-2021 |
Cleanrooms and associated controlled environments—Part 8: Classification of air cleanliness by chemical concentration (ACC) 洁净室及相关受控环境 第8部分：按化学物浓度划分空气洁净度(ACC)等级 |
China National Standards chemical |
English PDF |
| GB/T 25915.10-2021 |
Cleanrooms and associated controlled environments—Part 10: Classification of surface cleanliness by chemical concentration 洁净室及相关受控环境 第10部分：按化学物浓度划分表面洁净度等级 |
China National Standards chemical |
English PDF |
| GB/T 24488-2021 |
Test method for electrochemical properties of magnesium alloys sacrificial anode 镁合金牺牲阳极电化学性能测试方法 |
China National Standards chemical |
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 chemical |
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 chemical |
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 chemical |
English PDF |
| GB/T 16983-2021 |
chemical reagent -- Dichloromethane 化学试剂 二氯甲烷 |
China National Standards chemical |
English PDF |
| GB/T 15901-2021 |
chemical reagent—Copper（Ⅱ） chloride dihydrate 化学试剂 二水合氯化铜（氯化铜） |
China National Standards chemical |
English PDF |
| GB/T 15899-2021 |
chemical reagent—Manganese sulfate monohydrate 化学试剂 一水合硫酸锰（硫酸锰） |
China National Standards chemical |
English PDF |
| GB/T 15895-2021 |
chemical reagent—1,2-Dichloroethane 化学试剂 1,2-二氯乙烷 |
China National Standards chemical |
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 chemical |
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 chemical |
English PDF |
| GB/T 7729-2021 |
chemical analysis of metallurgical products—General rule for spectrophotometric methods 冶金产品化学分析 分光光度法通则 |
China National Standards chemical |
English PDF |
| GB/T 7728-2021 |
chemical analysis of metallurgical products—General rule for flame atomic absorption spectrometric methods 冶金产品化学分析 火焰原子吸收光谱法通则 |
China National Standards chemical |
English PDF |
| GB/T 6324.11-2021 |
Test method of organic chemical products—Part 11：Determination of trace arsenic in liquid products—Atomic fluorescence spectrometric method 有机化工产品试验方法 第11部分：液体化工产品中微量砷的测定 原子荧光法 |
China National Standards chemical |
English PDF |
| GB/T 5235-2021 |
Designation and chemical composition of wrought nickel and nickel alloy 加工镍及镍合金牌号和化学成分 |
China National Standards chemical |
English PDF |
| GB/T 614-2021 |
chemical reagent—General method for the determination of refractive index 化学试剂 折光率测定通用方法 |
China National Standards chemical |
English PDF |
| GB/T 611-2021 |
chemical reagent—General method for the determination of refractive index 化学试剂 密度测定通用方法 |
China National Standards chemical |
English PDF |
| GB 24539-2021 |
Protective clothing-chemical protective clothing 防护服装 化学防护服 |
China National Standards chemical |
English PDF |
| GB/T 40258-2021 |
Evaluation method for corrosion resistance of hollow fiber membrane to chemical cleaning agent 中空纤维膜耐化学清洗剂腐蚀性能评价方法 |
China National Standards chemical |
English PDF |
| GB/T 40244-2021 |
chemicals - Liquid or solid identification - Fluidity test method 化学品 固液鉴别 流动性测定法 |
China National Standards chemical |
English PDF |
| GB/T 40228-2021 |
Guide for the control of some chemicals in apparel accessories and components 服装配件和组件中部分化学物质控制指南 |
China National Standards chemical |
English PDF |
| GB/T 40175.3-2021 |
Textiles—Methods of biochemical analysis—Part 3:Organophosphorus pesticide (enzyme-linked immunosorbent assay) 纺织品 生物化学分析方法 第3部分：有机磷类农药（酶联免疫法） |
China National Standards chemical |
English PDF |
| GB/T 40175.2-2021 |
Textiles—Methods of biochemical analysis—Part 2:Pyrethroid pesticides(enzyme-linked immunosorbent assay) 纺织品 生物化学分析方法 第2部分：拟除虫菊酯类农药（酶联免疫法） |
China National Standards chemical |
English PDF |
| GB/T 40175.1-2021 |
Textiles—Methods of biochemical analysis—Part 1:Cadmium and lead (colloidal gold method) 纺织品 生物化学分析方法 第1部分：镉和铅（胶体金法） |
China National Standards chemical |
English PDF |
| GB/T 40129-2021 |
Surface chemical analysis—Secondary ion mass spectrometry—Calibration of the mass scale for a time-of-flight secondary ion mass spectrometer 表面化学分析 二次离子质谱 飞行时间二次离子质谱仪质量标校准 |
China National Standards chemical |
English PDF |
| GB/T 40128-2021 |
Surface chemical analysis—Atomic force microscopy—Test method for thickness of the two-dimensional layered molybdenum disulfide nanosheets 表面化学分析 原子力显微术 二硫化钼片层材料厚度测量方法 |
China National Standards chemical |
English PDF |
| GB/T 40110-2021 |
Surface chemical analysis - Determination of surface elemental contamination on silicon wafers by total-reflection X-ray fluorescence (TXRF) spectroscopy 表面化学分析 全反射X射线荧光光谱法（TXRF）测定硅片表面元素污染 |
China National Standards chemical |
English PDF |
| GB/T 40109-2021 |
Surface chemical analysis - Secondary-ion mass spectrometry - Method for depth profiling of boron in silicon 表面化学分析 二次离子质谱 硅中硼深度剖析方法 |
China National Standards chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
English PDF |
| GB/T 39864-2021 |
Electrochemical performance test of lithium manganese oxide—Test method for the initial specific discharge capacity and the initial efficiency 锰酸锂电化学性能测试 首次放电比容量及首次充放电效率测试方法 |
China National Standards chemical |
English PDF |
| GB/T 39861-2021 |
Electrochemical performance test of lithium manganese oxide—Test method for discharge plateau capacity ratio and cycle life 锰酸锂电化学性能测试 放电平台容量比率及循环寿命测试方法 |
China National Standards chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
English PDF |
| GB/T 12237-2021 |
Steel ball valves for petroleum, petrochemical and allied industries 石油、石化及相关工业用的钢制球阀 |
China National Standards chemical |
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 chemical |
English PDF |
| GB/T 41073-2021 |
Surface chemical analysis -- Electron spectroscopies -- Minimum reporting requirements for peak fitting in X-ray photoelectron spectroscopy 表面化学分析 电子能谱 X射线光电子能谱峰拟合报告的基本要求 |
China National Standards chemical |
English PDF |
| GB/T 41039-2021 |
The general rules of determing designed coal and checked coal in modern coal chemical technology 现代煤化工项目设计煤种和校核煤种确定通则 |
China National Standards chemical |
English PDF |
| GB/T 31428-2021 |
Vocabulary relating to coal chemical technology 煤化工术语 |
China National Standards chemical |
English PDF |
| GB/T 29732-2021 |
Surface chemical analysis—Medium resolution auger electron spectrometers—Calibration of energy scales for elemental analysis 表面化学分析 中等分辨俄歇电子能谱仪 元素分析用能量标校准 |
China National Standards chemical |
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 chemical |
English PDF |
| GB/T 18916.10-2021 |
Norm of water intake—Part 10：chemical pharmaceutical products 取水定额 第10部分：化学制药产品 |
China National Standards chemical |
English PDF |
| GB/T 23251-2021 |
Guideline for coal used in coal chemical technology 煤化工用煤技术导则 |
China National Standards chemical |
English PDF |
| GB/T 41086-2021 |
General technical requirements for hazardous chemicals security inspection equipments based on Raman spectrometry 基于拉曼光谱技术的危险化学品安全检查设备通用技术要求 |
China National Standards chemical |
English PDF |
| GB/T 41072-2021 |
Surface chemical analysis -- Electron spectroscopies -- Guidelines for ultraviolet photoelectron spectroscopy analysis 表面化学分析 电子能谱 紫外光电子能谱分析指南 |
China National Standards chemical |
English PDF |
| GB/T 41007-2021 |
Consumer product safety—Guidelines for characterization and exposure assessment of chemical hazard 消费品安全 化学危害表征和暴露评估指南 |
China National Standards chemical |
English PDF |
| GB/T 41005-2021 |
Consumer products safety- General rules on chemical hazards risk assessment 消费品安全 化学危害风险评估通则 |
China National Standards chemical |
English PDF |
| GB 16994.2-2021 |
Safety requirements for port operation—Part 2: Petrochemical storage area 港口作业安全要求 第2部分：石油化工库区 |
China National Standards chemical |
English PDF |
| GB 16994.1-2021 |
Safety requirements for port operation—Part 1: Oil & gas and chemical terminal 港口作业安全要求 第1部分：油气化工码头 |
China National Standards chemical |
English PDF |
| GB/T 40980-2021 |
Determination of reducing sugar in biochemical products—High-performance liquid chromatography with pre-column derivatization 生化制品中还原糖的测定 柱前衍生高效液相色谱法 |
China National Standards chemical |
English PDF |
| GB/T 40640.3-2021 |
Informationalized management of chemicals—Part 3:Electronic label application 化学品管理信息化 第3部分：电子标签应用 |
China National Standards chemical |
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 chemical |
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 chemical |
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 chemical |
English PDF |
| GB/T 40912-2021 |
Textiles—Quantitative chemical analysis—Mixtures of polyesteramide with certain other fibers 纺织品 定量化学分析 聚酰胺酯纤维与某些其他纤维的混合物 |
China National Standards chemical |
English PDF |
| GB/T 16399-2021 |
Methods for chemical analysis of clay 黏土化学分析方法 |
China National Standards chemical |
English PDF |
| GB/T 40640.5-2021 |
Informationalized management of chemicals—Part 5: Chemicals data center 化学品管理信息化 第5部分：化学品数据中心 |
China National Standards chemical |
English PDF |
| GB/T 40640.4-2021 |
Informationalized management of chemicals—Part 4:General specification for chemicals positioning system 化学品管理信息化 第4部分：化学品定位系统通用规范 |
China National Standards chemical |
English PDF |
| GB/T 40640.2-2021 |
Informationalized management of chemicals—Part 2:Information security 化学品管理信息化 第2部分：信息安全 |
China National Standards chemical |
English PDF |
| GB/T 40640.1-2021 |
Informationalized management of chemicals—Part 1: Data exchange 化学品管理信息化 第1部分：数据交换 |
China National Standards chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
English PDF |
| GB 39800.2-2020 |
Specification of the provision of personal protective equipment—Part 2: Oil, chemical and gas industry 个体防护装备配备规范 第2部分：石油、化工、天然气 |
China National Standards chemical |
English PDF |
| GB 51428-2021 |
Standard for fire protection design of coal chemical engineering 煤化工工程设计防火标准 |
China National Standards chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
English PDF |
| GB/T 39218-2020 |
Guidelines of construction for smart chemical industry park 智慧化工园区建设指南 |
China National Standards chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
English PDF |
| GB 20300-2018 |
Safety specifications for road transportation vehicle of explosive substance and chemical toxic substance 道路运输爆炸品和剧毒化学品车辆安全技术条件《第1号修改单》 |
China National Standards chemical |
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 chemical |
English PDF |
| GB/T 3044-2020 |
chemical analysis methods for white fused alumina and pink fused alumina 白刚玉、铬刚玉化学分析方法 |
China National Standards chemical |
English PDF |
| GB/T 39070-2020 |
Brand valuation—Daily chemical articles industry 品牌价值评价 日用化学品业 |
China National Standards chemical |
English PDF |
| GB/T 39217-2020 |
Guidelines for comprehensive evaluation of chemical industry park 化工园区综合评价导则 |
China National Standards chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
English PDF |
| GB/T 15343-2020 |
Methods for chemical analysis of talc 滑石化学分析方法 |
China National Standards chemical |
English PDF |
| GB/T 38899-2020 |
Implementation guidance for energy management system in chemical industry 化工行业能源管理体系实施指南 |
China National Standards chemical |
English PDF |
| GB/T 38894-2020 |
Non-destructive testing—Electrochemical testing—General principles 无损检测 电化学检测 总则 |
China National Standards chemical |
English PDF |
| GB/T 38794-2020 |
chemical safety in furniture—Determination of formaldehyde emission 家具中化学物质安全 甲醛释放量的测定 |
China National Standards chemical |
English PDF |
| GB 7300.203-2020 |
Feed additive—Part 2：Vitamins, provitamins and chemically well-defined substances having similar effect—Betaine 饲料添加剂 第2部分：维生素及类维生素 甜菜碱 |
China National Standards chemical |
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 chemical |
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 chemical |
English PDF |
| GB/T 6324.10-2020 |
Test method of organic chemical products—Part 10: Determination of trace sulfur in organic liquid products—Ultraviolet fluorescence method 有机化工产品试验方法 第10部分：有机液体化工产品微量硫的测定 紫外荧光法 |
China National Standards chemical |
English PDF |
| GB/T 3190-2020 |
chemical composition of wrought aluminium and aluminium alloys 变形铝及铝合金化学成分 |
China National Standards chemical |
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 chemical |
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 chemical |
English PDF |
| GB/T 38506-2020 |
Determination of biochemical parameters in animal cell culture process 动物细胞培养过程中生化参数的测定方法 |
China National Standards chemical |
English PDF |
| GB 51283-2020 |
Fire protection standard for engineering design of fine chemical enterprise 精细化工企业工程设计防火标准 |
China National Standards chemical |
English PDF |
| GB/T 39621-2020 |
Textiles—Quantitative chemical analysis—Mixture of cross-linked lyocell fibres and viscose or cupro or modal (method using formic acid and zinc chloride) 纺织品 定量化学分析 交联型莱赛尔纤维与粘胶纤维、铜氨纤维、莫代尔纤维的混合物（甲酸/氯化锌法） |
China National Standards chemical |
English PDF |
| GB/T 39527-2020 |
Determination of calcium, aluminium and silicon in the solid surface materials—Method of chemical analysis 实体面材产品中钙、铝、硅元素含量的测定 化学分析法 |
China National Standards chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
English PDF |
| GB/T 39498-2020 |
Guidelines for the use and control of key chemicals in consumer products 消费品中重点化学物质使用控制指南 |
China National Standards chemical |
English PDF |
| GB/T 39364-2020 |
Leather—chemical, physical, mechanical and fastness tests—Sampling location 皮革 化学、物理、机械和色牢度试验 取样部位 |
China National Standards chemical |
English PDF |
| GB/T 39261-2020 |
Nanotechnologies—Guidance on physico-chemical characterization of engineered nanoscale materials for toxicologic assessment 纳米技术 纳米材料毒理学评价前理化性质表征指南 |
China National Standards chemical |
English PDF |
| GB/T 39495-2020 |
Metallic and other inorganic coatings—Chromate-free chemical conversion coatings on allumion and its alloys 金属及其他无机覆盖层 铝及铝合金无铬化学转化膜 |
China National Standards chemical |
English PDF |
| GB/T 39486-2020 |
chemical reagent—General rules for inductively coupled plasma mass spectrometry 化学试剂 电感耦合等离子体质谱分析方法通则 |
China National Standards chemical |
English PDF |
| GB/T 39482.3-2020 |
Electrochemical impedance spectroscopy (EIS) on coated and uncoated metallic specimens—Part 3: Processing and analysis of data from dummy cells 涂漆和未涂漆金属试样的电化学阻抗谱（EIS） 第3部分：从模拟电解池获得数据的处理和分析 |
China National Standards chemical |
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 chemical |
English PDF |
| GB/T 39248-2020 |
Thermoplastic multi-layer (non-vulcanized) hoses and hose assemblies for the transfer of hydrocarbons, solvents and chemicals—Specification 输送液化石油气和液化天然气用热塑性塑料多层（非硫化）软管及软管组合件 规范 |
China National Standards chemical |
English PDF |
| GB/T 23514-2020 |
Methods for chemical analysis of nuclear-grade Ag-In-Cd alloys 核级银-铟-镉合金化学分析方法 |
China National Standards chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
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 chemical |
English PDF |
| GB/T 18115.2-2020 |
chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 2: Determination of lanthanum, praseodymium, neodymium, 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2部分：铈中镧、镨、钕、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定 |
China National Standards chemical |
English PDF |
| GB/T 18115.1-2020 |
chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 1: Determination of cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yttri 稀土金属及其氧化物中稀土杂质化学分析方法 第1部分：镧中铈、镨、钕、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定 |
China National Standards chemical |
English PDF |
| GB/T 50483-2019 |
Code for engineering design of environmental protection of chemical industry projects 化工建设项目环境保护工程设计标准 |
China National Standards chemical |
English PDF |
| GB/T 51359-2019 |
Technical standard for pipelines engineering between petrochemical projects in petrochemical industry 石油化工厂际管道工程技术标准 |
China National Standards chemical |
English PDF |
| GB/T 50493-2019 |
Standard for design of combustible gas and toxic gas detection and alarm for petrochemical industry 石油化工可燃气体和有毒气体检测报警设计标准 |
China National Standards chemical |
English PDF |
| GB/T 50484-2019 |
Standard for technical of construction safety in petrochemical engineering 石油化工建设工程施工安全技术标准 |
China National Standards chemical |
English PDF |
| GB/T 38298-2019 |
Test method of auto-ignition temperature for solid chemicals 固体化学品自动点火温度的试验方法 |
China National Standards chemical |
English PDF |
| GB/T 20899.3-2019 |
Methods for chemical analysis of gold ores—Part 3:Determination of arsenic content 金矿石化学分析方法 第3部分：砷量的测定 |
China National Standards chemical |
English PDF |
| GB/T 20899.2-2019 |
Methods for chemical analysis of gold ores一Part 2:Determination of silver content 一Flame atomic absorption spectrometric method 金矿石化学分析方法 第2部分：银量的测定 火焰原子吸收光谱法 |
China National Standards chemical |
English PDF |
| GB/T 18749-2019 |
Specification for chemical-resistant ceramic tower packings 耐化学腐蚀陶瓷塔填料技术条件 |
China National Standards chemical |
English PDF |
| GB/T 17783-2019 |
Rubber,vulcanized or thermoplastic—chemical tests—Preparation of samples and test piece 硫化橡胶或热塑性橡胶 化学试验 样品和试样的制备 |
China National Standards chemical |
English PDF |
| GB/T 14506.33-2019 |
Methods for chemical analysis of silicate rocks—Part 33: Determination of arsenic, stibium, bismuth and mercury elements content—Hydride generation atomic fluorescence spectrometry 硅酸盐岩石化学分析方法 第33部分：砷、锑、铋、汞量测定 氢化物发生-原子荧光光谱法 |
China National Standards chemical |
English PDF |
| GB/T 3215-2019 |
Centrifugal pumps for petroleum,petrochemical and natural gas industries 石油、石化和天然气工业用离心泵 |
China National Standards chemical |
English PDF |
| GB 20265-2019 |
Foot protection — Footwear protecting against chemicals 足部防护 防化学品鞋 |
China National Standards chemical |
English PDF |
| GB/T 38411-2019 |
Leather chemicals—Determination of the free formaldehyde in leather process auxiliaries 皮革化学品 皮革加工助剂中游离甲醛的测定 |
China National Standards chemical |
English PDF |
| GB/T 38410-2019 |
Leather chemicals—Determination of tannin content in tanning agent—Filter method 皮革化学品 鞣剂中鞣质含量的测定 过滤法 |
China National Standards chemical |
English PDF |
| GB/T 38409-2019 |
Leather—chemical tests—Determination of N-methyl-2-pyrrolidone（NMP) and N-ethyl-2-pyrrolidone (NEP) content 皮革 化学试验 N-甲基吡咯烷酮（NMP）和N-乙基吡咯烷酮（NEP）的测定 |
China National Standards chemical |
English PDF |
| GB/T 38407-2019 |
Leather and fur chemicals—Determination of chromium (VI) and the reductive potential for chromium tanning agents 皮革和毛皮化学品 铬鞣剂中六价铬及还原性的测定 |
China National Standards chemical |
English PDF |
| GB/T 38406-2019 |
Leather chemicals—Determination of tannin content in synthetic tanning agents 皮革化学品 合成鞣剂中鞣质含量的测定 |
China National Standards chemical |
English PDF |
| GB/T 38405-2019 |
Leather and fur—chemical tests—Determination of short-chain chlorinated paraffins 皮革和毛皮 化学试验 短链氯化石蜡的测定 |
China National Standards chemical |
English PDF |
| GB/T 38403-2019 |
Leather and fur—chemical tests—Determination of the preservative (TCMTB, PCMC, OPP, OIT) content:Liquid chromatography 皮革和毛皮 化学试验 防霉剂（TCMTB、PCMC、OPP、OIT）的测定：液相色谱法 |
China National Standards chemical |
English PDF |
| GB/T 38402-2019 |
Leather and fur—chemical tests—Determination of chromium(VI) content:Chromatographic method 皮革和毛皮 化学试验 六价铬含量的测定：色谱法 |
China National Standards chemical |
English PDF |
| GB/T 38401-2019 |
Leather and fur—chemical tests—Determination of dimethyl formamide content 皮革和毛皮 化学试验 二甲基甲酰胺含量的测定 |
China National Standards chemical |
English PDF |
| GB/T 38389-2019 |
Methods for chemical analysis of indium-tin oxide target 氧化铟锡靶材化学分析方法 |
China National Standards chemical |
English PDF |
| GB/T 20899.1-2019 |
Methods for chemical analysis of gold ores—Part 1:Determination of gold content 金矿石化学分析方法 第1部分:金量的测定 |
China National Standards chemical |
English PDF |
| GB/T 19942-2019 |
Leather and fur—chemical tests—Determination of banned azo colorants 皮革和毛皮 化学试验 禁用偶氮染料的测定 |
China National Standards chemical |
English PDF |
| GB/T 16310.5-2019 |
Specification on evaluation method of hazards of liquid chemical transported in bulk by shipping－Part 5: Hazard evaluation procedure and determination of pollution category 船舶散装运输液体化学品危害性评价规范 第5部分：危害性评价程序与污染分类方法 |
China National Standards chemical |
English PDF |
| GB/T 15076.2-2019 |
Methods for chemical analysis of tantalum and niobium—Part 2:Determination of niobium content in tantalum—Inductively coupled plasma atomic emission spectrometry and stratography gravimetry 钽铌化学分析方法 第2部分:钽中铌量的测定 电感耦合等离子体原子发射光谱法和色层分离重量法 |
China National Standards chemical |
English PDF |
| GB/T 15076.10-2019 |
Methods for chemical analysis of tantalum and niobium—Part 10:Determination of iron,nickel,chromium,titanium, zirconium,aluminum and manganese contents in niobium—Direct current arc atomic emission spectrometry 钽铌化学分析方法 第10部分:铌中铁、镍、铬、钛、锆、铝和锰量的测定 直流电弧原子发射光谱法 |
China National Standards chemical |
English PDF |
| GB/T 13747.7-2019 |
Methods for chemical analysis of zirconium and zirconium alloys—Part 7：Determination of manganese content—Patassium periodate spectrometry and inductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法 第7部分：锰量的测定 高碘酸钾分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards chemical |
English PDF |
| GB/T 13747.2-2019 |
Methods for chemical analysis of zirconium and zirconium alloys—Part 2：Determination of iron content—1,10-phenanthroline spectrophotometry and inductively coupled plasma atomic emission spectrometry 锆及锆合金化学分析方法 第2部分：铁量的测定 1,10-二氮杂菲分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards chemical |
English PDF |
| GB/T 13747.12-2019 |
Methods for chemical analysis of zirconium and zirconium alloys—Part 12：Determination of silicon content—Molybdenum blue spectrophotometry 锆及锆合金化学分析方法 第12部分：硅量的测定 钼蓝分光光度法 |
China National Standards chemical |
English PDF |
| GB/T 8647.11-2019 |
Methods for chemical analysis of nickel－Part 11：Determination of magnesium，aluminum，manganese，cobalt，copper，zinc，cadmium，tin，antimony，lead，bismuth contents－Inductively coupled plasma mass spectrometry 镍化学分析方法 第11部分:镁、铝、锰、钴、铜、锌、镉、锡、锑、铅、铋含量的测定 电感耦合等离子体质谱法 |
China National Standards chemical |
English PDF |
| GB/T 7739.3-2019 |
Methods for chemical analysis of gold concerntrates—Part 3:Determination of arsenic content 金精矿化学分析方法 第3部分：砷量的测定 |
China National Standards chemical |
English PDF |
| GB/T 7739.2-2019 |
Methods for chemical analysis of gold concentrates—Part 2:Determination of silver content—Flame atomic absorption spectrometric method 金精矿化学分析方法 第2部分：银量的测定 火焰原子吸收光谱法 |
China National Standards chemical |
English PDF |
| GB/T 7739.1-2019 |
Methods for chemical analysis of gold concerntrates—Part 1：Determination of gold and silver contents 金精矿化学分析方法 第1部分：金量和银量的测定 |
China National Standards chemical |
English PDF |
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