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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| 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 mica |
 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 mica |
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 mica |
English PDF |
| GB 24539-2021 |
Protective clothing-Chemical protective clothing 防护服装 化学防护服 |
China National Standards mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
English PDF |
| GB/T 13469-2021 |
Economical operation for centrifugal，mixed flow and axial flow pump systems 离心泵、混流泵与轴流泵系统经济运行 |
China National Standards mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
English PDF |
| GB/T 31428-2021 |
Vocabulary relating to coal chemical technology 煤化工术语 |
China National Standards mica |
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 mica |
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 mica |
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 mica |
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 mica |
English PDF |
| GB/T 20629.4-2021 |
Non-cellulosic papers for electrical purposes -- Part 4：Aramid fibre paper containing mica particles 电气用非纤维素纸? 第4部分：含云母颗粒的聚芳酰胺纤维纸 |
China National Standards mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
English PDF |
| GB/T 16399-2021 |
Methods for chemical analysis of clay 黏土化学分析方法 |
China National Standards mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
English PDF |
| GB/T 15343-2020 |
Methods for chemical analysis of talc 滑石化学分析方法 |
China National Standards mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
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 mica |
English PDF |
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