China National Standards

China chemical GB Standards List


  •  China "chemical" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 41564-2022 Textiles - Quantitative chemical analysis - Blends of aramid fibers with certain other fibers {译}
    纺织品 定量化学分析 芳香族聚酰胺纤维与某些其他纤维的混合物
    China National Standards
    chemical

    English PDF
    GB/T 21796-2022 chemicals Activated sludge respiration inhibition test {译}
    化学品 活性污泥呼吸抑制试验
    China National Standards
    chemical

    English PDF
    GB/T 21607-2022 chemicals - Generation toxicity test method {译}
    化学品 一代繁殖毒性试验方法
    China National Standards
    chemical

    English PDF
    GB/T 41623-2022 chemicals Acute oral toxicity test for birds {译}
    化学品 鸟类急性经口毒性试验
    China National Standards
    chemical

    English PDF
    GB/T 21604-2022 chemicals Acute skin irritation/corrosion test method {译}
    化学品 急性皮肤刺激性/腐蚀性试验方法
    China National Standards
    chemical

    English PDF
    GB/T 21606-2022 chemicals Acute dermal toxicity test method {译}
    化学品 急性经皮毒性试验方法
    China National Standards
    chemical

    English PDF
    GB/T 41667-2022 chemical Soil column leaching test {译}
    化学品 土壤柱淋溶试验
    China National Standards
    chemical

    English PDF
    GB/T 41668-2022 chemicals - Determination of release rate of preservative treated wood to the environment {译}
    化学品 防腐处理的木材向环境释放速率的测定方法
    China National Standards
    chemical

    English PDF
    GB/T 11417.7-2012 Ophthalmic optics - Contact lenses - Part 7: Test methods for physical and chemical properties "No. 1 Amendment" {译}
    眼科光学 接触镜 第7部分: 理化性能试验方法《第1号修改单》
    China National Standards
    chemical

    English PDF
    GB/T 14344-2022 Test method for tensile properties of chemical fiber filaments {译}
    化学纤维 长丝拉伸性能试验方法
    China National Standards
    chemical

    English PDF
    GB/T 14338-2022 Test method for crimp properties of chemical staple fibers {译}
    化学纤维 短纤维卷曲性能试验方法
    China National Standards
    chemical

    English PDF
    GB/T 14337-2022 Test method for tensile properties of chemical staple fibers {译}
    化学纤维 短纤维拉伸性能试验方法
    China National Standards
    chemical

    English PDF
    GB/T 41483-2022 General technical requirements of liquid hazardous chemical safety inspection instrument based on dielectric constant technology {译}
    基于介电常数技术的液态危险化学品安全检查仪通用技术要求
    China National Standards
    chemical

    English PDF
    GB/T 41418-2022 Quantitative chemical analysis of textiles mixtures of meta aromatic polyamide fibers and para aromatic polyamide fibers (lithium chloride / N, N-Dimethylacetamide method) {译}
    纺织品 定量化学分析 间位芳香族聚酰胺纤维与对位芳香族聚酰胺纤维的混合物(氯化锂/N,N-二甲基乙酰胺法)
    China National Standards
    chemical

    English PDF
    GB/T 41417-2022 Textiles -- Quantitative chemical analysis -- mixtures of polyaryloxadiazole fibers and some other fibers {译}
    纺织品 定量化学分析 聚芳噁二唑纤维与某些其他纤维的混合物
    China National Standards
    chemical

    English PDF
    GB/T 41394-2022 Functional safety requirements for anti overflow system of storage tank of explosive hazardous chemicals {译}
    爆炸危险化学品储罐防溢系统功能安全要求
    China National Standards
    chemical

    English PDF
    GB/T 6609.30-2022 chemical analysis methods and determination of physical performance of alumina—Part 30: Determination of trace elements—Wavelength dispersive X-ray fluorescence spectrometric method
    氧化铝化学分析方法和物理性能测定方法 第30部分:微量元素含量的测定 波长色散X射线荧光光谱法
    China National Standards
    chemical

    English PDF
    GB/T 1819.1-2022 Methods for chemical analysis of tin concentrates—Part 1:Determination of moisture content—Heat drying method
    锡精矿化学分析方法 第1部分:水分含量的测定 热干燥法
    China National Standards
    chemical

    English PDF
    GB/T 5231-2022 Designation and chemical composition of wrought copper and copper alloys
    加工铜及铜合金牌号和化学成分
    China National Standards
    chemical

    English PDF
    GB/T 3286.11-2022 Methods for chemical analysis of limestone and dolomite—Part 11: Determination of calcium oxide, magnesium oxide, silicon dioxide, aluminium oxide and iron oxide content—Wavelength dispersive X-ray fluorescence spectrometry (Fused cast bead method)
    石灰石及白云石化学分析方法 第11部分:氧化钙、氧化镁、二氧化硅、氧化铝及氧化铁含量的测定 波长色散X射线荧光光谱法(熔铸玻璃片法)
    China National Standards
    chemical

    English PDF
    GB/T 8152.16-2022 Methods for chemical analysis of lead concentrates - Part 16: Determination of calcium oxide content - Flame atomic absorption spectrometry {译}
    铅精矿化学分析方法 第16部分:氧化钙含量的测定 火焰原子吸收光谱法
    China National Standards
    chemical

    English PDF
    GB/T 41312.1-2022 Test method for permeability of chemical equipment - Part 1: Graphite and its lining equipment {译}
    化工用设备渗透性检测方法 第1部分:石墨及其衬里设备
    China National Standards
    chemical

    English PDF
    GB/T 6609.2-2022 chemical analysis methods and determination of physical performance of alumina—Part 2: Determination of loss of mass at 300 ℃ and 1000 ℃
    氧化铝化学分析方法和物理性能测定方法 第2部分:300 ℃和1000 ℃质量损失的测定
    China National Standards
    chemical

    English PDF
    GB/T 29341-2022 Calcium aluminate for water treatment chemicals
    水处理剂用铝酸钙
    China National Standards
    chemical

    English PDF
    GB/T 22627-2022 Water treatment chemicals—Polyaluminium chloride
    水处理剂 聚氯化铝
    China National Standards
    chemical

    English PDF
    GB 30871-2022 Safety specifications of special work in hazardous chemicals enterprises
    危险化学品企业特殊作业安全规范
    China National Standards
    chemical

    English PDF
    GB/T 16886.19-2022 Biological evaluation of medical devices - Part 19: Physicochemical, morphological and surface characterization of materials {译}
    医疗器械生物学评价 第19部分:材料物理化学、形态学和表面特性表征
    China National Standards
    chemical

    English PDF
    GB/T 16886.18-2022 Biological evaluation of medical devices - Part 18: chemical characterization of medical device materials in the risk management process {译}
    医疗器械生物学评价 第18部分:风险管理过程中医疗器械材料的化学表征
    China National Standards
    chemical

    English PDF
    GB/T 1289-2022 chemical Reagent Sodium Oxalate {译}
    化学试剂 草酸钠
    China National Standards
    chemical

    English PDF
    GB/T 17657-2022 Test methods for physical and chemical properties of wood-based panels and veneered wood-based panels {译}
    人造板及饰面人造板理化性能试验方法
    China National Standards
    chemical

    English PDF
    GB/T 42284.5-2022 Road vehicles - Environmental conditions and tests for electrical and electronic equipment used in electric vehicle drive systems - Part 5: chemical loads {译}
    道路车辆 电动汽车驱动系统用电气及电子设备的环境条件和试验 第5部分:化学负荷
    China National Standards
    chemical

    English PDF
    GB/T 33057-2022 Sampling method for waste chemicals {译}
    废弃化学品取样制样方法
    China National Standards
    chemical

    English PDF
    GB/T 42164-2022 Leather - chemical tests - Determination of hexavalent chromium content under heat aging conditions {译}
    皮革 化学试验 热老化条件下六价铬含量的测定
    China National Standards
    chemical

    English PDF
    GB/T 22933-2022 Leather and furs - chemical tests - Determination of free fatty acids {译}
    皮革和毛皮 化学试验 游离脂肪酸的测定
    China National Standards
    chemical

    English PDF
    GB/T 25915.15-2022 Clean rooms and related controlled environments - Part 15: Suitability assessment of equipment and materials by concentration of gaseous chemicals {译}
    洁净室及相关受控环境 第15部分: 按气态化学物浓度评定设备及材料的适用性
    China National Standards
    chemical

    English PDF
    GB/T 25915.13-2022 Cleanrooms and related controlled environments - Part 13: Surface cleaning to particle and chemical cleanliness requirements {译}
    洁净室及相关受控环境 第13部分:达到粒子和化学洁净度要求的表面清洁
    China National Standards
    chemical

    English PDF
    GB/T 3396-2022 Determination of trace oxygen in ethylene and propylene for industrial use - Electrochemical method {译}
    工业用乙烯、丙烯中微量氧的测定 电化学法
    China National Standards
    chemical

    English PDF
    GB/T 41963-2022 Technical requirements for classification and collection of chemicals used in waste vehicles {译}
    废弃车用化学品分类与收集技术要求
    China National Standards
    chemical

    English PDF
    GB/T 20899.8-2022 Methods for chemical analysis of gold ores - Part 8: Determination of sulfur content {译}
    金矿石化学分析方法 第8部分:硫量的测定
    China National Standards
    chemical

    English PDF
    GB/T 20899.7-2022 Methods for chemical analysis of gold ores - Part 7: Determination of iron content {译}
    金矿石化学分析方法 第7部分:铁量的测定
    China National Standards
    chemical

    English PDF
    GB/T 7739.8-2022 Methods for chemical analysis of gold concentrates - Part 8: Determination of sulfur content {译}
    金精矿化学分析方法 第8部分:硫量的测定
    China National Standards
    chemical

    English PDF
    GB/T 7739.7-2022 Methods for chemical analysis of gold concentrates - Part 7: Determination of iron content {译}
    金精矿化学分析方法 第7部分:铁量的测定
    China National Standards
    chemical

    English PDF
    GB/T 42288-2022 Safety regulations for electrochemical energy storage power stations {译}
    电化学储能电站安全规程
    China National Standards
    chemical

    English PDF
    GB/T 26416.5-2022 Methods for chemical analysis of rare earth iron alloys - Part 5: Determination of oxygen content - Pulse-infrared absorption method {译}
    稀土铁合金化学分析方法 第5部分:氧含量的测定 脉冲-红外吸收法
    China National Standards
    chemical

    English PDF
    GB/T 26416.4-2022 Methods for chemical analysis of rare earth iron alloys - Part 4: Determination of iron content - Potassium dichromate titration method {译}
    稀土铁合金化学分析方法 第4部分:铁量的测定 重铬酸钾滴定法
    China National Standards
    chemical

    English PDF
    GB/T 26416.3-2022 chemical analysis methods of rare earth ferroalloys - Part 3: Determination of calcium, magnesium, aluminum, nickel, manganese content - Inductively coupled plasma emission spectrometry {译}
    稀土铁合金化学分析方法 第3部分:钙、镁、铝、镍、锰量的测 定 电感耦合等离子体发射光谱法
    China National Standards
    chemical

    English PDF
    GB/T 26416.2-2022 Methods for chemical analysis of rare earth ferroalloys - Part 2: Determination of rare earth impurity content - Inductively coupled plasma emission spectrometry {译}
    稀土铁合金化学分析方法 第2部分:稀土杂质含量的测定 电感耦合等离子体发射光谱法
    China National Standards
    chemical

    English PDF
    GB/T 26416.1-2022 chemical Analysis Methods of Rare Earth Ferroalloys Part 1: Determination of Total Rare Earth {译}
    稀土铁合金化学分析方法 第1部分:稀土总量的测定
    China National Standards
    chemical

    English PDF
    GB/T 2910.4-2022 Textiles - Quantitative chemical analysis - Part 4: Mixtures of certain protein fibers with certain other fibers (hypochlorite method) {译}
    纺织品 定量化学分析 第4部分:某些蛋白质纤维与某些其他纤维的混合物(次氯酸盐法)
    China National Standards
    chemical

    English PDF
    GB/T 12690.1-2022 chemical analysis methods for non-rare earth impurities in rare earth metals and their oxides—Part 1: Determination of carbon and sulfur content—High frequency-infrared absorption method {译}
    稀土金属及其氧化物中非稀土杂质化学分析方法 第1部分:碳、硫量的测定 高频-红外吸收法
    China National Standards
    chemical

    English PDF
    GB/T 13747.26-2022 Methods for chemical analysis of zirconium and zirconium alloys - Part 26: Determination of alloys and impurity elements - Inductively coupled plasma atomic emission spectrometry {译}
    锆及锆合金化学分析方法 第26部分:合金及杂质元素的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    chemical

    English PDF
    GB/T 37211.3-2022 Methods for chemical analysis of germanium metal - Part 3: Determination of trace impurity elements - Glow discharge mass spectrometry {译}
    金属锗化学分析方法 第3部分:痕量杂质元素的测定 辉光放电质谱法
    China National Standards
    chemical

    English PDF
    GB/T 42260-2022 Lithium iron phosphate electrochemical performance test cycle life test method {译}
    磷酸铁锂电化学性能测试 循环寿命测试方法
    China National Standards
    chemical

    English PDF
    GB/T 42161-2022 Electrochemical Performance Test of Lithium Iron Phosphate Test Method for First Discharge Specific Capacity and First Charge and Discharge Efficiency {译}
    磷酸铁锂电化学性能测试 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 14352.24-2022 Methods for chemical analysis of tungsten ore and molybdenum ore - Part 24: Determination of germanium content - Inductively coupled plasma mass spectrometry {译}
    钨矿石、钼矿石化学分析方法 第24部分:锗含量的测定 电感耦合等离子体质谱法
    China National Standards
    chemical

    English PDF
    GB/T 42273-2022 Zirconium compound chemical analysis method Calcium, hafnium, titanium, sodium, iron, chromium, cadmium, zinc, manganese, copper, nickel, lead content determination Inductively coupled plasma atomic emission spectrometry {译}
    锆化合物化学分析方法 钙、铪、钛、钠、铁、铬、镉、锌、锰、铜、镍、铅含量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    chemical

    English PDF
    GB/T 42078-2022 Guidelines for the development and construction of chemical parks {译}
    化工园区开发建设导则
    China National Standards
    chemical

    English PDF
    GB/T 42300-2022 Safety risk assessment specification for fine chemical reaction {译}
    精细化工反应安全风险评估规范
    China National Standards
    chemical

    English PDF
    GB 15603-2022 General rules for warehouse storage of hazardous chemicals {译}
    危险化学品仓库储存通则
    China National Standards
    chemical

    English PDF
    GB/T 41898-2022 Determination of corrosion resistance and compactness of coatings on inner walls of food metal containers-electrochemical method {译}
    食品金属容器内壁涂覆层耐蚀力和致密性的测定 电化学法
    China National Standards
    chemical

    English PDF
    GB/T 6488-2022 Liquid chemical products - Determination of refractive index {译}
    液体化工产品 折光率的测定
    China National Standards
    chemical

    English PDF
    GB/T 4734-2022 chemical analysis methods of daily-use ceramic materials and products {译}
    日用陶瓷材料及制品化学分析方法
    China National Standards
    chemical

    English PDF
    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

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