China National Standards

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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.
  •  China "En" GB Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 1747.2-2008 Paints and varnishes - Determination of pigmEnt content - Part 2:Ashing method
    色漆和清漆 颜料含量的测定 第2部分：灰化法    		 China National Standards
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    GB/T 13871.3-2008 Rotary shaft lip-type seals incorporating elastomeric sealing elemEnts - Part 3: Storage，handling and installation
    密封元件为弹性体材料的旋转轴唇形密封圈 第3部分：贮存、搬运和安装    		 China National Standards
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    GB/T 7732-2008 Metallic materials - Fracture toughness testing method with surface crack tEnsion specimens
    金属材料 表面裂纹拉伸试样断裂韧度试验方法    		 China National Standards
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    GB/T 7731.7-2008 FerrotungstEn - Determination of tin content - Phenylfluorone photometric method and inductively coupled plasma-atomic emission spectrometry
    钨铁 锡含量的测定 苯基荧光酮光度法和电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 7731.3-2008 FerrotungstEn - Determination of copper content - Bis(cyclohexanone)oxalyldihydrazone photometric method and flame atomic absorption spectrometric method
    钨铁 铜含量的测定 双环己酮草酰二腙光度法和火焰原子吸收光谱法    		 China National Standards
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    GB/T 7731.14-2008 FerrotungstEn - Determination of lead content - The polarographic method and inductively coupled plasma-atomic emission spectrometry
    钨铁 铅含量的测定 极谱法和电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 7731.12-2008 FerrotungstEn - Determination of sulfur content - Infrared absorption method and combustion titration method
    钨铁 硫含量的测定 红外线吸收法和燃烧中和滴定法    		 China National Standards
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    GB/T 6705-2008 Coking phEnol
    焦化苯酚    		 China National Standards
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    GB/T 5686.7-2008 Ferromanganese, ferromanganese-silicon,, nitrogEn-bearing ferromanganese and manganese metal - Determination of sulfur content - Infrared absorption method and combustion-neutralization method
    锰铁、锰硅合金、氮化锰铁和金属锰 硫含量的测定 红外线吸收法和燃烧中和滴定法    		 China National Standards
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    GB/T 5686.5-2008 Ferromanganese, ferromanganese-silicon , nitrogEn-bearing ferromanganese and manganese metal - Determination of carbon content - The infrared absorption method ,the gasometric method ,the gravimetric and the coulometric method
    锰铁、锰硅合金、氮化锰铁和金属锰 碳含量的测定 红外线吸收法、气体容量法、重量法和库仑法    		 China National Standards
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    GB/T 5686.4-2008 Ferromanganese , ferromanganese-silicon , itrogEn-bearing ferromanganese and manganese metal - Determination of phosphorus content - Molybdenum blue photometric method and alkali content titrimetric method
    锰铁、锰硅合金、氮化锰铁和金属锰 磷含量的测定 钼蓝光度法和碱量滴定法    		 China National Standards
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    GB/T 5686.2-2008 Ferromanganese，ferromanganese-silicon , nitrogEn-bearing ferromanganese and manganese metal - Determination of silicon content - Molybdenum blue photometric method ，silicon potassium fluoride titrimetric method and perchloric acid dehydration gravimet
    锰铁、锰硅合金、氮化锰铁和金属锰 硅含量的测定 钼蓝光度法、氟硅酸钾滴定法和高氯酸重量法    		 China National Standards
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    GB/T 5686.1-2008 Ferromanganese，ferromanganese-silicon, nitrogEn-bearing ferromanganese and manganese metal - Determination of manganese content - Potentiometric method and titrimetric mothod after ammonium nitrate & perchloric acid oxidation
    锰铁、锰硅合金、氮化锰铁和金属锰 锰含量的测定 电位滴定法、硝酸铵氧化滴定法及高氯酸氧化滴定法    		 China National Standards
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    GB/T 4702.5-2008 Chromium metal - Determination of aluminium contEnt - EDTA titrimetric method and flame atomic absorption spectrometric method
    金属铬 铝含量的测定 乙二胺四乙酸二钠滴定法和火焰原子吸收光谱法    		 China National Standards
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    GB/T 4702.4-2008 Chromium metal - Determination of iron contEnt - EDTA titrimetric method and flame atomic absorption spectrometric method
    金属铬 铁含量的测定 乙二胺四乙酸二钠滴定法和火焰原子吸收光谱法    		 China National Standards
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    GB/T 4702.2-2008 Chromium metal - Determination of silicon contEnt - The perchloric acid gravimetric method
    金属铬 硅含量的测定 高氯酸重量法    		 China National Standards
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    GB/T 4702.16-2008 Chromium metal - Determination of sulfur contEnt - Infrared absorption method and combustion-neutralization titration method
    金属铬 硫含量的测定 红外线吸收法和燃烧中和滴定法    		 China National Standards
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    GB/T 4701.6-2008 Ferrotitanium - Determination of aluminum contEnt - EDTA titrimetric method
    钛铁 铝含量的测定 EDTA滴定法    		 China National Standards
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    GB/T 4701.4-2008 Ferrotitanium - Determinatino of manganese contEnt - Arsenite-salt and sodium-salt titrimetric method and periodate photometric method
    钛铁 锰含量的测定 亚砷酸盐 亚硝酸盐滴定法和高碘酸盐光度法    		 China National Standards
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    GB/T 4701.10-2008 Ferrotitanium - Determination of sulfur contEnt - Infrared absorption method and combustion-neutralization titration method
    钛铁 硫含量的测定 红外线吸收法和燃烧中和滴定法    		 China National Standards
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    GB/T 4699.6-2008 Ferrochromium and silicochromium - Determination of sulfur contEnt - The infrared absorption method and the combustion-titration method
    铬铁和硅铬合金 硫含量的测定 红外线吸收法和燃烧中和滴定法    		 China National Standards
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    GB/T 4699.4-2008 Ferrochromium and silicochromium - Determination of carbon contEnt - Infrared absorption method and gravimetric method
    铬铁和硅铬合金 碳含量的测定 红外线吸收法和重量法    		 China National Standards
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    GB/T 4699.2-2008 Ferrochromium and ferrosilicochromium - Determination of chromium contEnt - The ammonium persulfate oxidation titrimetric method and potentiometric titration method
    铬铁和硅铬合金 铬含量的测定 过硫酸铵氧化滴定法和电位滴定法    		 China National Standards
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    GB/T 3654.8-2008 Ferroniobium - Determination of tianiun contEnt - Chromotropic acid photometric method
    铌铁 钛含量的测定 变色酸光度法    		 China National Standards
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    GB/T 3654.6-2008 Ferroniobium - Determination of sulfur contEnt - Combustion-iodate titrimetric method，methylene blue photometric method and infrared absorption method
    铌铁 硫含量的测定 燃烧碘量法、次甲基蓝光度法和红外线吸收法    		 China National Standards
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    GB/T 3654.2-2008 Ferroniobium - Determination of copper contEnt - The neocuproine-choroform extraction photometric method
    铌铁 铜含量的测定 新亚铜灵 三氯甲烷萃取光度法    		 China National Standards
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    GB/T 3653.4-2008 Ferroboron - Determination of aluminium contEnt - EDTA titrimetric method
    硼铁 铝含量的测定 EDTA 滴定法    		 China National Standards
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    GB/T 3074.1-2008 Method for the determination of the flexure strEngth of graphite electrodes
    石墨电极抗折强度测定方法    		 China National Standards
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    GB/T 244-2008 Metallic materials-Tube - BEnd test
    金属管 弯曲试验方法    		 China National Standards
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    GB/T 2601-2008 The chromatographic method for determination of contEnt of hydroxybenzene
    酚类产品组成的气相色谱测定方法    		 China National Standards
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    GB/T 2288-2008 Coking products - Determination of moisture contEnt
    焦化产品水分测定方法    		 China National Standards
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    GB/T 2281-2008 Determination of dEnsity of coking oil products
    焦化油类产品密度试验方法    		 China National Standards
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    GB/T 223.9-2008 Iron, steel and alloy - Determination of aluminium contEnt - Chrom azurol S photometric method
    钢铁及合金 铝含量的测定 铬天青S分光光度法    		 China National Standards
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    GB/T 223.75-2008 Iron,steel and alloy - Determination of boron contEnt - Methanol distillation-curcumin photometric method
    钢铁及合金 硼含量的测定 甲醇蒸馏-姜黄素光度法    		 China National Standards
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    GB/T 223.73-2008 Iron, steel and alloy - Determination of iron contEnts - Titanium trichloride-potassium dichromate titration method
    钢铁及合金 铁含量的测定 三氯化钛-重铬酸钾滴定法    		 China National Standards
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    GB/T 223.72-2008 Iron, steel and alloy - Determination of sulfur contEnt - Gravimetric method
    钢铁及合金 硫含量的测定 重量法    		 China National Standards
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    GB/T 223.70-2008 Iron, steel and alloy - Determination of iron contEnts - O-phenanthroline spectrophotometric method
    钢铁及合金 铁含量的测定 邻二氮杂菲分光光度法    		 China National Standards
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    GB/T 223.69-2008 Iron, steel and alloy - Determination of carbon contEnts - Gas-volumetric method after combustion in the pipe furnace
    钢铁及合金 碳含量的测定 管式炉内燃烧后气体容量法    		 China National Standards
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    GB/T 223.67-2008 Iron, steel and alloy - Determination of sulfur contEnt -Methylene blue spectrophotometric method
    钢铁及合金 硫含量的测定 次甲基蓝分光光度法    		 China National Standards
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    GB/T 223.64-2008 Iron, steel and alloyed - Determination of manganese contEnt - Flame atomic absorption spectrometric method
    钢铁及合金 锰含量的测定 火焰原子吸收光谱法    		 China National Standards
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    GB/T 223.55-2008 Iron, steel and alloy - Determination of tellurium contEnt - Oscillo-polarographic method
    钢铁及合金 碲含量的测定 示波极谱法    		 China National Standards
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    GB/T 223.43-2008 Iron, steel and alloy - Determination of tungstEn content - Gravimetryc method and spectrophotometric method
    钢铁及合金 钨含量的测定 重量法和分光光度法    		 China National Standards
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    GB/T 223.31-2008 Iron, steel and alloy - Determination of arsEnic content -Distillation-molybdenum blue spectrophotometric method
    钢铁及合金 砷含量的测定 蒸馏分离-钼蓝分光光度法    		 China National Standards
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    GB/T 223.29-2008 Iron, steel and alloy - Determination of lead contEnt - Carrier precipitation-xylenol orange spectrophotometric method
    钢铁及合金 铅含量的测定 载体沉淀-二甲酚橙分光光度法    		 China National Standards
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    GB/T 223.26-2008 Iron, steel and alloy - Determination of molybdEnum content - The thiocyanate spectrophotometric method
    钢铁及合金 钼含量的测定 硫氰酸盐分光光度法    		 China National Standards
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    GB/T 223.23-2008 Iron, steel and alloy - Determination of nickel contEnt - The dimethylglyoxime spectrophotometric method
    钢铁及合金 镍含量的测定 丁二酮肟分光光度法    		 China National Standards
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    GB/T 21838.4-2008 Metallic materials - InstrumEnted indentation test for hardness and materials parameters - Part 4: Test method for metallic and non-metallic coatings
    金属材料 硬度和材料参数的仪器化压痕试验 第4部分:金属和非金属覆盖层的试验方法    		 China National Standards
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    GB/T 21838.1-2008 Metallic materials - InstrumEnted indentation test for hardness and materials parameters - Part 1: Test method
    金属材料 硬度和材料参数的仪器化压痕试验 第1部分:试验方法    		 China National Standards
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    GB/T 21835-2008 DimEnsions and masses per unit length of welded steel pipes
    焊接钢管尺寸及单位长度重量    		 China National Standards
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    GB/T 21834-2008 Medium and low alloy steel - Determination of the distribution of multi-elemEnt contents - Original position statistic distribution analysis method
    中低合金钢 多元素成分分布的测定 金属原位统计分布分析法    		 China National Standards
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    GB/T 21833-2008 AustEnitic - Ferritic (duplex) grade stainless steel seamless tubes and pipes
    奥氏体 铁素体型双相不锈钢无缝钢管    		 China National Standards
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    GB/T 21832-2008 AustEnitic - Ferritic (duplex) grade stainless steel welded tubes and pipes
    奥氏体 铁素体型双相不锈钢焊接钢管    		 China National Standards
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    GB/T 2101-2008 GEneral requirement of acceptance, packaging, marking, and certification for section steel
    型钢验收、包装、标志及质量证明书的一般规定    		 China National Standards
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    GB/T 18876.3-2008 Standard practice for determining the metallographical constituEnt and inclusion content of steels and other metals by automatic image analysis - Part 3: Determining the carbides rating in steels by automatic image analysis and stereology
    应用自动图像分析测定钢和其它金属中金相组织、夹杂物含量和级别的标准试验方法 第3部分 钢中碳化物级别的图像分析与体视学测定    		 China National Standards
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    GB/T 17395-2008 DimEnsions,shapes,masses,and tolerances of seamless steel tubes
    无缝钢管尺寸、外形、重量及允许偏差    		 China National Standards
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    GB/T 16444-2008 Planar double-Enveloping worm gearing reducer
    平面二次包络环面蜗杆减速器    		 China National Standards
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    GB/T 15062-2008 Superalloy tube for gEneral application
    一般用途高温合金管    		 China National Standards
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    GB/T 14986-2008 High saturation magnetic induction, magnetic compEnsate alloys depending on temperature variation, corrosion-resisting, iron-aluminium, Permanent permeability, soft magneticalloys
    高饱和、磁温度补偿、耐蚀、铁铝、恒磁导率软磁合金    		 China National Standards
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    GB/T 1361-2008 GEneral rules and regulations for analysis of iron ores
    铁矿石分析方法总则及一般规定    		 China National Standards
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    GB/T 13314-2008 GEneral specifications of forged steel work rolls for cold rolling
    锻钢冷轧工作辊 通用技术条件    		 China National Standards
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    GB/T 12605-2008 Non-destructive testing － Test methods for radiographic testing of circumferEntial fusion-welded butt joints in metallic pipes and tubes
    无损检测 金属管道熔化焊环向对接接头射线照相检测方法    		 China National Standards
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    GB/T 27053-2008 Conformity assessmEnt - Guidance on the use of an organization’s quality management system in product certification
    合格评定 产品认证中利用组织质量管理体系的指南    		 China National Standards
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    GB/T 27028-2008 Conformity assessmEnt - Guidance on a third-party certification system for products
    合格评定 第三方产品认证制度应用指南    		 China National Standards
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    GB/T 18374-2008 Vocabulary - Terms for reinforcemEnts
    增强材料术语及定义    		 China National Standards
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    GB/T 18371-2008 Glass filamEnt yarn
    连续玻璃纤维纱    		 China National Standards
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    GB/T 9283-2008 SolvEnt for coating - Determination of distillation range
    涂料用溶剂馏程的测定    		 China National Standards
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    GB/T 21864-2008 Standard test method for molecular weight averages and molecular weight distribution of polystyrEne by high performance size-exclusion chromatography
    聚苯乙烯的平均分子量和分子量分布的检测标准方法 高效体积排阻色谱法    		 China National Standards
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    GB/T 21863-2008 Gel permeation chromatography(GPC) - Tetrahydrofuran as elution solvEnt
    凝胶渗透色谱法(GPC) 用四氢呋喃做淋洗液    		 China National Standards
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    GB/T 21862.5-2008 Paints and varnishes - Determination of the dEnsity - Part 5: Areometer method
    色漆和清漆 密度的测定 第5部分：比重计法    		 China National Standards
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    GB/T 21862.4-2008 Paints and varnishes - Determination of dEnsity - Part 4: Pressure cup method
    色漆和清漆 密度的测定 第4部分：压杯法    		 China National Standards
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    GB/T 21862.3-2008 Paints and varnishes - Determination of dEnsit - Part 3: Oscillation method
    色漆和清漆 密度的测定 第3部分：振动法    		 China National Standards
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    GB/T 21862.2-2008 Paints and varnishes - Determination of dEnsity - Part 2: Immersed body (plummet) method
    色漆和清漆 密度的测定 第2部分：落球法    		 China National Standards
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    GB/T 21858-2008 Testing of chemicals - BioconcEntration - Semi-static fish test
    化学品 生物富集 半静态式鱼类试验    		 China National Standards
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    GB/T 21857-2008 Testing of chemicals - Ready biodegradability - Modified OECD screEning test
    化学品 快速生物降解性 改进的OECD筛选试验    		 China National Standards
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    GB/T 21853-2008 Testing of chemicals - Partition coefficiEnt（n-octanol/water）- Shake flask method
    化学品 分配系数（正辛醇-水） 摇瓶法试验    		 China National Standards
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    GB/T 21852-2008 Testing of chemicals - Partition coefficiEnt（n-octanol/water）- High performance liquid chromatography（HPLC）method
    化学品 分配系数（正辛醇-水） 高效液相色谱法试验    		 China National Standards
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    GB/T 21844-2008 Standard test method for concEntration limits of flammability of chemicals (vapors and gases)
    化合物(蒸气和气体)易燃性浓度限值的标准试验方法    		 China National Standards
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    GB/T 21829-2008 Testing of chemicals - Simulation test Aerobic sewage treatmEnt - Aactivated sludge units
    化学品 污水好氧处理模拟试验 活性污泥单元法    		 China National Standards
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    GB/T 21827-2008 Chemicals - Test method of skin sEnsitization - Local lymph node assay （LLNA）
    化学品 皮肤变态反应试验 局部淋巴结方法    		 China National Standards
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    GB/T 21818-2008 Testing of chemicals - InherEnt biodegradability - Modified MITI test （II）
    化学品 固有生物降解性 改进的MITI试验（II）    		 China National Standards
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    GB/T 21817-2008 Testing of chemicals - InherEnt biodegradability - Modified SCAS test
    化学品 固有生物降解性 改进的半连续活性污泥试验    		 China National Standards
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    GB/T 21816-2008 Testing of chemicals - InherEnt biodegradability - Zahn-Wellens test
    化学品 固有生物降解性 赞恩-惠伦斯试验    		 China National Standards
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    GB/T 21806-2008 Testing of chemicals - Fish, juvEnile growth test
    化学品 鱼类幼体生长试验    		 China National Standards
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    GB/T 21800-2008 Testing of chemicals BioconcEntration - Flow-through fish test
    化学品 生物富集 流水式鱼类试验    		 China National Standards
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    GB/T 21795-2008 Testing of chemicals - Simulation test Aerobic sewage treatmEnt - Biofilms
    化学品 模拟试验 污水好氧处理 生物膜法    		 China National Standards
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    GB/T 21793-2008 Chemicals - Test method of in vitro mammalian cell gEne mutation
    化学品 体外哺乳动物细胞基因突变试验方法    		 China National Standards
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    GB/T 21788-2008 Chemicals - Test method of combined chronic toxicity/carcinogEnicity study
    化学品 慢性毒性与致癌性联合试验方法    		 China National Standards
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    GB/T 21787-2008 Chemicals - Test method of neurotoxicity study in rodEnts
    化学品 啮齿类动物神经毒性试验方法    		 China National Standards
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    GB/T 21784.2-2008 Laboratory glassware-hydrometer for gEneral purpose - Part 2: Test methods and use
    实验室玻璃器皿 通用型密度计 第2部分：试验方法和使用    		 China National Standards
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    GB/T 21782.8-2008 Coating powders - Part 8: AssessmEnt of the storage stability of thermosetting powders
    粉末涂料 第8部分：热固性粉末贮存稳定性的评定    		 China National Standards
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    GB/T 21782.3-2008 Coating powders - Part 3：Determination of dEnsity by liquid displacement pyknometer
    粉末涂料 第3部分：液体置换比重瓶法测定密度    		 China National Standards
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    GB/T 21782.2-2008 Coating powders - Part 2: Determination of dEnsity by gas comparison pyknometer (referee method)
    粉末涂料 第2部分：气体比较比重仪法测定密度(仲裁法)    		 China National Standards
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    GB/T 21782.10-2008 Coating powders - Part 10：Determination of deposition efficiEncy
    粉末涂料 第10部分：沉积效率的测定    		 China National Standards
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    GB/T 21780-2008 Partical size analysis - SedimEntation analysis in the gravitational field - Pipette method
    粒度分析 重力场中沉降分析 吸液管法    		 China National Standards
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    GB/T 21778-2008 Chemicals - Test method of repeated dose 90-day oral toxicity in non-rodEnts
    化学品 非啮齿类动物亚慢性（90天）经口毒性试验方法    		 China National Standards
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    GB/T 21777-2008 Binders for paints and varnishes - Chlorinated polymerization resins - GEneral methods of test
    色漆和清漆用漆基 氯化聚合物树脂 通用试验方法    		 China National Standards
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    GB/T 21771-2008 Chemicals - Test method of combined repeated dose toxicity study with the reproduction/developmEntal toxicity screening
    化学品 重复剂量毒性合并生殖/发育毒性筛选试验方法    		 China National Standards
    En
    English PDF
    GB/T 21766-2008 Chemicals - Test method of reproduction/developmEntal toxicity screening
    化学品 生殖/发育毒性筛选试验方法    		 China National Standards
    En
    English PDF
    GB/T 21763-2008 Chemicals - Test method of repeated dose oral toxicity study in rodEnts
    化学品 啮齿类动物亚慢性经口毒性试验方法    		 China National Standards
    En
    English PDF
    GB/T 21758-2008 Chemicals - Test method of two-gEneration reproduction toxicity study
    化学品 两代繁殖毒性试验方法    		 China National Standards
    En
    English PDF

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