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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 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 |
| 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 7300.202-2019 |
Feed additives－Part 2：Vitamins, provitamins and Chemically well-defined substances having similar effect－Vitamin D3 oily form 饲料添加剂 第2部分：维生素及类维生素 维生素D3油 |
China National Standards Chemical |
English PDF |
| GB 7300.201-2019 |
Feed additives—Part 2：Vitamins,provitamins and Chemically well-defined substances having similar effect—L-Ascorbyl-2-phosphate 饲料添加剂 第2部分：维生素及类维生素 L-抗坏血酸-2-磷酸酯盐 |
China National Standards Chemical |
English PDF |
| GB/T 38015-2019 |
Textiles—Quantitative Chemical analysis—Mixtures of elastane and certain other fibers 纺织品 定量化学分析 氨纶与某些其他纤维的混合物 |
China National Standards Chemical |
English PDF |
| GB/T 37997-2019 |
Thermoplastic multi-layer (non-vulcanized) hoses and hose assemblies for the transfer of hydrocarbons, solvents and Chemicals—Specification 输送烃类、溶剂和化学品用多层热塑性塑料（非硫化）软管及软管组合件 规范 |
China National Standards Chemical |
English PDF |
| GB/T 37885-2019 |
Chemical reagent—Classification 化学试剂 分类 |
China National Standards Chemical |
English PDF |
| GB/T 37883-2019 |
Determination of chromium, cadmium, lead and arsenic in water treatment Chemicals—Inductively coupled plasma atomic emission spectrometry 水处理剂中铬、镉、铅、砷含量的测定 电感耦合等离子体发射光谱(ICP-OES)法 |
China National Standards Chemical |
English PDF |
| GB/T 37832-2019 |
Water saving enterprises—Textile industry of Chemical filament yarns weaving 节水型企业 化纤长丝织造行业 |
China National Standards Chemical |
English PDF |
| GB/T 18882.3-2019 |
Chemical analysis methods for mixed rare earth oxide of ion-absorption rare earth ore—Part 3: Determination of silicon dioxide content 离子型稀土矿混合稀土氧化物化学分析方法 第3部分：二氧化硅含量的测定 |
China National Standards Chemical |
English PDF |
| GB/T 16632-2019 |
Determination of scale inhibition performance of water treatment Chemicals—Calcium carbonate precipitation method 水处理剂阻垢性能的测定 碳酸钙沉积法 |
China National Standards Chemical |
English PDF |
| GB/T 15456-2019 |
Determination of the Chemical oxygen demand in industrial circulating cooling water—Permanganate index method 工业循环冷却水中化学需氧量（COD）的测定 高锰酸盐指数法 |
China National Standards Chemical |
English PDF |
| GB/T 8152.14-2019 |
Methods for Chemical analysis of lead concentrates—Part 14: Determination of silicon dioxide content—Molybdenum blue spectrophotometry 铅精矿化学分析方法 第14部分：二氧化硅含量的测定 钼蓝分光光度法 |
China National Standards Chemical |
English PDF |
| GB/T 7739.14-2019 |
Methods for Chemical analysis of gold concentrates—Part 14: Determination of thallium content—Inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry 金精矿化学分析方法 第14部分：铊量的测定 电感耦合等离子体原子发射光谱法和电感耦合等离子体质谱法 |
China National Standards Chemical |
English PDF |
| GB/T 37560-2019 |
Flame retardant Chemicals—Determination of melamine and cyanuric acid in melamine cyanurate 阻燃化学品 氰尿酸三聚氰胺盐中三聚氰胺和氰尿酸的测定 |
China National Standards Chemical |
English PDF |
| GB/T 23524-2019 |
Method for Chemical analysis of petrochemical spent platinum catalyst—Determination of platinum—Inductively coupled plasma atomic emission spectrometry 石油化工废铂催化剂化学分析方法 铂含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Chemical |
English PDF |
| GB/T 21114-2019 |
Refractories—Chemical analysis by X-ray fluorescence(XRF)—Fused cast-bead method 耐火材料 X射线荧光光谱化学分析 熔铸玻璃片法 |
China National Standards Chemical |
English PDF |
| GB/T 20975.31-2019 |
Methods for Chemical analysis of aluminium and aluminium alloys—Part 31：Determination of phosphorus content—Molybdenum blue spectrophotometry 铝及铝合金化学分析方法 第31部分：磷含量的测定 钼蓝分光光度法 |
China National Standards Chemical |
English PDF |
| GB/T 20975.30-2019 |
Methods for Chemical analysis of aluminium and aluminium alloys—Part 30：Determination of hydrogen content—Heating extraction-thermal conductivity method 铝及铝合金化学分析方法 第30部分：氢含量的测定 加热提取热导法 |
China National Standards Chemical |
English PDF |
| GB/T 20975.29-2019 |
Methods for Chemical analysis of aluminium and aluminium alloys—Part 29:Determination of molybdenum content—Thiocyanate spectrophotometry 铝及铝合金化学分析方法 第29部分：钼含量的测定 硫氰酸盐分光光度法 |
China National Standards Chemical |
English PDF |
| GB/T 20975.28-2019 |
Methods for Chemical analysis of aluminium and aluminium alloys—Part 28:Determination of cobalt content—Flame atomic absorption spectrometry 铝及铝合金化学分析方法 第28部分：钴含量的测定 火焰原子吸收光谱法 |
China National Standards Chemical |
English PDF |
| GB/T 13747.5-2019 |
Methods for Chemical analysis of zirconium and zirconium alloys—Part 5：Determination of aluminium content—Chronic azurol-S-tetradrcylpyridine chloride spectrophotometry 锆及锆合金化学分析方法 第5部分：铝量的测定 铬天青S-氯化十四烷基吡啶分光光度法 |
China National Standards Chemical |
English PDF |
| GB/T 7739.13-2019 |
Methods for Chemical analysis of gold concentrates—Part 13: Determination of lead， zinc， bismuth， cadmium， chromium， arsenic and mercury contents—Inductively coupled plasma atomic emission spectrometry 金精矿化学分析方法 第13部分： 铅、锌、铋、镉、铬、砷和汞量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Chemical |
English PDF |
| GB/T 4698.21-2019 |
Methods for Chemical analysis of titanium sponge, titanium and titanium alloys—Part 21: Determination of manganese, chromium, nickel, aluminum, molybdenum, tin, vanadium, yttrium, copper and zirconium content—Atomic emission spectrometry 海绵钛、钛及钛合金化学分析方法 第21部分：锰、铬、镍、铝、钼、锡、钒、钇、铜、锆量的测定 原子发射光谱法 |
China National Standards Chemical |
English PDF |
| GB/T 4698.17-2019 |
Methods for Chemical analysis of titanium sponge, titanium and titanium alloys—Part 17:Determination of magnesium content—Flame atomic absorption spectrometry 海绵钛、钛及钛合金化学分析方法 第17部分: 镁量的测定 火焰原子吸收光谱法 |
China National Standards Chemical |
English PDF |
| GB/T 37354-2019 |
Analytical method of Chemical composition for activated carbon mercury removal catalyst 活性炭脱汞催化剂化学成分分析方法 |
China National Standards Chemical |
English PDF |
| GB/T 37321-2019 |
Chemical analysis methods of different sulfur forms in gypsum and gypsum products 石膏及石膏制品中形态硫化学分析方法 |
China National Standards Chemical |
English PDF |
| GB/T 37630-2019 |
Textiles—Quantitative Chemical analysis—Mixtures of acetate or triacetate with certain other fibres（method using hydrochloric acid） 纺织品 定量化学分析 醋酯纤维或三醋酯纤维与某些其他纤维的混合物（盐酸法） |
China National Standards Chemical |
English PDF |
| GB/T 37629-2019 |
Textiles—Quantitative Chemical analysis—Mixtures of acrylic with certain other fibres（method using formic acid and zinc chloride） 纺织品 定量化学分析 聚丙烯腈纤维与某些其他纤维的混合物（甲酸/氯化锌法） |
China National Standards Chemical |
English PDF |
| GB/T 15076.3-2019 |
Methods for Chemical analysis of tantalum and niobium—Part 3：Determination of copper content—Flame atomic absorption spectrometry 钽铌化学分析方法 第3部分: 铜量的测定 火焰原子吸收光谱法 |
China National Standards Chemical |
English PDF |
| GB/T 13747.6-2019 |
Methods for Chemical analysis of zirconium and zirconium alloys—Part 6：Determination of copper content—2,9-Dimethyl-1,10-phenanthroline spectrophotometry 锆及锆合金化学分析方法 第6部分：铜量的测定 2,9-二甲基-1,10-二氮杂菲分光光度法 |
China National Standards Chemical |
English PDF |
| GB/T 37665-2019 |
：Non-destructive testing for Chemical compositions of ancient ceramics—PIXE analysis technique standards 古陶瓷化学组成无损检测 PIXE分析技术规范 |
China National Standards Chemical |
English PDF |
| GB/T 37243-2019 |
Determination method of external safety distance for hazardous Chemicals production units and storage installations 危险化学品生产装置和储存设施外部安全防护距离确定方法 |
China National Standards Chemical |
English PDF |
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