China National Standards

China concentration GB Standards English PDF List


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 "concentration" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 43341-2023 Nanotechnology Defect concentration measurement in graphene Raman spectroscopy
    纳米技术 石墨烯的缺陷浓度测量 拉曼光谱法
    China National Standards
    concentration

    English PDF
    GB 5009.225-2023 National food safety standards Determination of ethanol concentration in wine and edible alcohol
    食品安全国家标准 酒和食用酒精中乙醇浓度的测定
    China National Standards
    concentration

    English PDF
    GB/T 43089-2023 High salt water concentration electrodialyzer
    高盐水浓缩电渗析器
    China National Standards
    concentration

    English PDF
    GB/T 42732-2023 Nanotechnology Size distribution and concentration measurement of inorganic nanoparticles in aqueous phase Single particle inductively coupled plasma mass spectrometry
    纳米技术 水相中无机纳米颗粒的尺寸分布和浓度测量 单颗粒电感耦合等离子体质谱法
    China National Standards
    concentration

    English PDF
    GB/T 42660-2023 Aerosol particle number concentration Calibration of condensation particle counters
    气溶胶颗粒数量浓度 凝结核颗粒计数器的校准
    China National Standards
    concentration

    English PDF
    GB/T 13277.8-2023 Compressed air - Part 8: Methods of measurement of mass concentration of solid particles
    压缩空气 第8部分:固体颗粒质量浓度测量方法
    China National Standards
    concentration

    English PDF
    GB/T 41456-2022 Detection method of nano titanium dioxide dust concentration in nanotechnology production environment Spectrophotometry
    纳米技术 生产环境纳米二氧化钛粉尘浓度检测方法 分光光度法
    China National Standards
    concentration

    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
    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
    concentration

    English PDF
    GB/T 25915.14-2022 Clean rooms and related controlled environments - Part 14: Assessment of equipment suitability by particle concentration
    洁净室及相关受控环境 第14部分:按粒子浓度评估设备适用性
    China National Standards
    concentration

    English PDF
    GB/T 40508-2021 Determination of tar and dust concentrations in biomass-based synthetic gas
    生物质燃气中焦油和灰尘含量的测定方法
    China National Standards
    concentration

    English PDF
    GB/T 40345-2021 Crop protection equipment—Test method for the determination of drainable volume and its concentration
    植物保护机械 确定可排放液体体积及浓度的试验方法
    China National Standards
    concentration

    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
    concentration

    English PDF
    GB/T 25915.2-2021 Cleanrooms and associated controlled environments—Part 2: Monitoring to provide evidence of cleanroom performance related to air cleanliness by particle concentration
    洁净室及相关受控环境 第2部分:洁净室空气粒子浓度的监测
    China National Standards
    concentration

    English PDF
    GB/T 25915.1-2021 Cleanrooms and associated controlled environments—Part 1: Classification of air cleanliness by particle concentration
    洁净室及相关受控环境 第1部分:按粒子浓度划分空气洁净度等级
    China National Standards
    concentration

    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
    concentration

    English PDF
    GB/T 14146-2021 Test method for carrier concentration of silicon epitaxial layers - Capacitance-voltage method
    硅外延层载流子浓度的测试 电容-电压法
    China National Standards
    concentration

    English PDF
    GB/T 2423.33-2021 Environmental testing - Part 2: Test methods - Test Kca: High concentration sulfur dioxid
    环境试验 第2部分:试验方法 试验Kca:高浓度二氧化硫试验
    China National Standards
    concentration

    English PDF
    GB 40881-2021 Code for security system design of low concentration gas pipeline transportation of coal mine
    煤矿低浓度瓦斯管道输送安全保障系统设计规范
    China National Standards
    concentration

    English PDF
    GB/T 25915.12-2021 Cleanrooms and associated controlled environments—Part 12: Specifications for monitoring of air cleanliness by nanoscale particle concentration
    洁净室及相关受控环境 第12部分:监测空气中纳米粒子浓度的技术要求
    China National Standards
    concentration

    English PDF
    GB/T 39193-2020 Ambient air—Determination of particulate matter mass concentration—Gravimetric method
    环境空气 颗粒物质量浓度测定 重量法
    China National Standards
    concentration

    English PDF
    GB/T 38976-2020 Test method for the oxygen concentration in silicon materials—Inert gas fusion infrared detection method
    硅材料中氧含量的测试 惰性气体熔融红外法
    China National Standards
    concentration

    English PDF
    GB/T 38723-2020 Determination of emission rate of volatile organic compounds from wooden furniture—concentration history method
    木家具中挥发性有机化合物释放速率检测 逐时浓度法
    China National Standards
    concentration

    English PDF
    GB/T 38529-2020 Requirements of concentration limits for restricted substances in tyres
    轮胎中限用物质的限量要求
    China National Standards
    concentration

    English PDF
    GB/T 38301-2019 Determination of limiting oxygen concentration (LOC) of flammable gases and vapours
    可燃气体或蒸气极限氧浓度测定方法
    China National Standards
    concentration

    English PDF
    GB/T 38423-2019 Determination of total concentration of certain elements in toys
    玩具中特定元素总含量的测定
    China National Standards
    concentration

    English PDF
    GB/T 38301-2019 Determination of limiting oxygen concentration (LOC) of flammable gases and vapours
    可燃气体或蒸气极限氧浓度测定方法
    China National Standards
    concentration

    English PDF
    GBZ/T 192.6-2018 Determination of dust in workplace air - Part 6: Total concentration of ultrafine and fine granules
    工作场所空气中粉尘测定-第6部分:超细颗粒和细颗粒总数量浓度
    China National Standards
    concentration

    English PDF
    GB/T 16425-2018 Determination for minimum explosive concentration of dust clouds
    粉尘云爆炸下限浓度测定方法
    China National Standards
    concentration

    English PDF
    GB/T 35097-2018 Microbeam analysis—Scanning electron microscopy with energy dispersive X-ray spectrosmetry—Determination of numberical concentration of inorganic fibrous particles in ambient air
    微束分析 扫描电镜-能谱法 环境空气中石棉等无机纤维状颗粒计数浓度的测定
    China National Standards
    concentration

    English PDF
    GB/T 25915.9-2018 Cleanrooms and associated controlled environments—Part 9: Classification of surface cleanliness by particle concentration
    洁净室及相关受控环境 第9部分:按粒子浓度划分表面洁净度等级
    China National Standards
    concentration

    English PDF
    GB/T 36705-2018 Test method for carrier concentration of gallium nitride substrates—Raman spectrum method
    氮化镓衬底片载流子浓度的测试 拉曼光谱法
    China National Standards
    concentration

    English PDF
    GB/T 36700.5-2018 Chemicals—Guidance on hazard classification to the aquatic environment—Part 5: Bioconcentration
    化学品 水生环境危害分类指导 第5部分:生物富集
    China National Standards
    concentration

    English PDF
    GB/T 35804-2018 Rubber, vulcanized or thermoplastic-Resistance to ozone cracking-Test methods for determining the ozone concentration in laboratory test chambers
    硫化橡胶或热塑性橡胶 耐臭氧龟裂 测定试验箱中臭氧浓度的试验方法
    China National Standards
    concentration

    English PDF
    GB/T 34796-2017 Quantification and purity analysis of nucleic acid concentration in solution—Ultraviolet spectrophotometry
    水溶液中核酸的浓度和纯度检测 紫外分光光度法
    China National Standards
    concentration

    English PDF
    GB/T 34666.1-2017 Technical specification for compilation for water quality criteria data—Part 1:Pollutants concentration
    水质基准数据整编技术规范 第1部分:污染物含量
    China National Standards
    concentration

    English PDF
    GB/T 34536-2017 Natural gas—Determination of radon concentration—Scintillation flash method
    天然气 氡浓度的测定 闪烁瓶法
    China National Standards
    concentration

    English PDF
    GB/T 35570-2017 Determination of tritium activity concentration in sea water—Low-background liquid scintillation spectrometry method
    海水中氚的测定 低本底液体闪烁能谱法
    China National Standards
    concentration

    English PDF
    GB/T 20216-2016 Pulp and paper—Determination of the effective residual ink concentration (ERIC number)—Infrared reflectance measurement
    纸浆和纸 有效残余油墨浓度(ERIC值)的测定 红外线反射率测量法
    China National Standards
    concentration

    English PDF
    GB/T 33043-2016 Standard test method for determining formaldehyde concentrations in air and emission rates from wood products using a large chamber
    人造板甲醛释放量测定大气候箱法
    China National Standards
    concentration

    English PDF
    GB 5009.225-2016 National Food Safety Standard - Determination of ethanol concentration
    食品安全国家标准 酒中乙醇浓度的测定
    China National Standards
    concentration

    English PDF
    GB/T 19199-2015 Test method for carbon acceptor concentration in semi-insulating gallium arsenide single crystals by infrared absorption spectroscopy
    半绝缘砷化镓单晶中碳浓度的红外吸收测试方法
    China National Standards
    concentration

    English PDF
    GB/T 17170-2015 Test method for the EL2 deep donor concentration in semi-insulating gallium arsenide single crystals by infrared absorption spectroscopy
    半绝缘砷化镓单晶深施主EL2浓度红外吸收测试方法
    China National Standards
    concentration

    English PDF
    GB/T 31709-2015 Data processing of background atmospheric carbon dioxide and methane concentration measured by in situ gas chromatographic (GC) system
    气相色谱法本底大气二氧化碳和甲烷浓度在线观测数据处理方法
    China National Standards
    concentration

    English PDF
    GB/T 31707-2015 Data processing of background atmospheric carbon monoxide concentration measured by in situ gas chromatographic (GC) system
    气相色谱法本底大气一氧化碳浓度在线观测数据处理方法
    China National Standards
    concentration

    English PDF
    GB/T 31705-2015 In situ mesaurement of background atmospheric carbon dioxide and methane concentration by gas chromatographic(GC) system
    气相色谱法本底大气二氧化碳和甲烷浓度在线观测方法
    China National Standards
    concentration

    English PDF
    GB/T 31270.7-2014 Test guidelines on environmental safety assessment for chemical pesticides―Part 7: Bioconcentration test
    化学农药环境安全评价试验准则 第7部分:生物富集试验
    China National Standards
    concentration

    English PDF
    GB/T 30921.1-2014 Test method of purified terephthalic acid (PTA) for industrial use―Part 1:Determination of concentrations of 4-carboxybenzaldehyde (4-CBA) and p-toluic acid (p-TOL)
    工业用精对苯二甲酸(PTA)试验方法 第1部分:对羧基苯甲醛(4-CBA)和对甲基苯甲酸(p-TOL)含量的测定
    China National Standards
    concentration

    English PDF
    GB/T 30128-2013 Textiles—Testing and evaluation for negative-ion concentration
    纺织品 负离子发生量的检测和评价
    China National Standards
    concentration

    English PDF
    GB/T 24572.5-2013 Standard practice for separation and concentration of ignitable liquid residues from fire debris samples―Part 5:Purge and trap concentration
    火灾现场易燃液体残留物实验室提取方法 第5部分:吹扫捕集法
    China National Standards
    concentration

    English PDF
    GB/T 50815-2013 Technical code of vacuum concentration treatment for weak sulfuric acid
    稀硫酸真空浓缩处理技术规范
    China National Standards
    concentration

    English PDF
    GB/T 28628-2012 Test method for air ion concentration of materials
    材料诱生空气离子量测试方法
    China National Standards
    concentration

    English PDF
    GB/T 25749.8-2012 Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 8: Room method for the measurement of the pollutant concentration parameter
    机械安全 空气传播的有害物质排放的评估 第8部分:测量污染物浓度参数的室内法
    China National Standards
    concentration

    English PDF
    GB/T 25749.7-2012 Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 7: Test bench method for the measurement of the pollutant concentration parameter
    机械安全 空气传播的有害物质排放的评估 第7部分:测量污染物浓度参数的试验台法
    China National Standards
    concentration

    English PDF
    GB 27742-2011 Activity concentration for material not requiring radiological regulation
    可免于辐射防护监管的物料中放射性核素活度浓度
    China National Standards
    concentration

    English PDF
    GB/T 27824-2011 Chemicals - Test method of acute inhalation toxicity - Fixed concentration procedure
    化学品 急性吸入毒性 固定浓度试验方法
    China National Standards
    concentration

    English PDF
    GB/T 27581-2011 Electromagnetic interference shielding Film - Electroless copper plating solution - Method of determining concentration of Ni2+ and Cu2+
    电磁屏蔽膜 化学镀铜溶液 镍离子和铜离子含量测定方法
    China National Standards
    concentration

    English PDF
    GB/T 26572-2011 Requirements of concentration limits for certain restricted substances in electrical and electronic products
    电子电气产品中限用物质的限量要求
    China National Standards
    concentration

    English PDF
    GB 19522-2010 Blood & breath alcohol concentration and examination for vehicle drivers
    车辆驾驶人员血液、呼气酒精含量阈值与检验
    China National Standards
    concentration

    English PDF
    GB/T 17418.6-2010 Methods for analysis of noble metals in geochemical samples - Part 6: Determination of platinum, palladium and gold content - Preconcentration by fire assay - emission spectrometry
    地球化学样品中贵金属分析方法 第6部分:铂量、钯量和金量的测定 火试金富集-发射光谱法
    China National Standards
    concentration

    English PDF
    GB/T 17418.4-2010 Methods for analysis of noble metals in geochemical samples - Part 4: Determination of iridium content - Preconcentration by thiourea-catalytic spectrophotometric method
    地球化学样品中贵金属分析方法 第4部分:铱量的测定 硫脲富集-催化分光光度法
    China National Standards
    concentration

    English PDF
    GB/T 17418.3-2010 Methods for analysis of noble metals in geochemical samples - Part 3: Determination of palladium content - Preconcentration by thiourea - graphite furnace atomic absorption spectrophotometric method
    地球化学样品中贵金属分析方法 第3部分:钯量的测定 硫脲富集-石墨炉原子吸收分光光度法
    China National Standards
    concentration

    English PDF
    GB/T 17418.2-2010 Methods for analysis of noble metals in geochemical samples - Part 2:Determination of platinum and rhodium content-Preconcentration by thiourea-catalytic polarographic method
    地球化学样品中贵金属分析方法 第2部分:铂量和铑量的测定 硫脲富集-催化极谱法
    China National Standards
    concentration

    English PDF
    GB/T 14146-2009 Silicon epitaxial layers-determination of carrier concentration-mercury probe voltages-capacitance method
    硅外延层载流子浓度测定 汞探针电容-电压法
    China National Standards
    concentration

    English PDF
    GB/T 24572.4-2009 Standard practice for separation and concentration of ignitable liquid residues from fire debris samples - Part 4: Solid phase microextraction(SPME)
    火灾现场易燃液体残留物实验室提取方法 第4部分:固相微萃取法
    China National Standards
    concentration

    English PDF
    GB/T 24572.3-2009 Standard practice for separation and concentration of ignitable liquid residues from fire debris samples - Part 3: Activated charcoal absorption
    火灾现场易燃液体残留物实验室提取方法 第3部分:活性炭吸附法
    China National Standards
    concentration

    English PDF
    GB/T 24572.2-2009 Standard practice for separation and concentration of ignitable liquid residues from fire debris samples - Part 2: Direct headspace vapors sampling
    火灾现场易燃液体残留物实验室提取方法 第2部分:直接顶空进样法
    China National Standards
    concentration

    English PDF
    GB/T 24572.1-2009 Standard practice for separation and concentration of ignitable liquid residues from fire debris samples - Part 1: Solvent extraction
    火灾现场易燃液体残留物实验室提取方法 第1部分:溶剂提取法
    China National Standards
    concentration

    English PDF
    GB/T 23574-2009 Metal cutting machine tools - Determination method of oil mist concentration
    金属切削机床 油雾浓度的测量方法
    China National Standards
    concentration

    English PDF
    GB/T 23573-2009 Metal-cutting machine tools - Determination method of dust concentration
    金属切削机床 粉尘浓度的测量方法
    China National Standards
    concentration

    English PDF
    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
    concentration

    English PDF
    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
    concentration

    English PDF
    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
    concentration

    English PDF
    GB/T 11276-2007 Surface active agents - Determination of the critical micellization concentration
    表面活性剂 临界胶束浓度的测定
    China National Standards
    concentration

    English PDF
    GB 20664-2006 Limitation concentration of natural radioactivity in non-ferrous metal ores and concentrates products
    有色金属矿产品的天然放射性限值
    China National Standards
    concentration

    English PDF
    GB/T 8757-2006 Determination of carrier concentration in gallium arsenide by the plasma resonance minimum
    砷化镓中载流子浓度等离子共振测量方法
    China National Standards
    concentration

    English PDF
    GB/T 11068-2006 Gallium arsenide epitaxial layer - determination of carrier concentration voltage-capacitance method
    砷化镓外延层载流子浓度电容-电压测量方法
    China National Standards
    concentration

    English PDF
    GB/T 20176-2006 Surface chemical analysis-Secondary-ion mass spectrometry-Determination of boron atomic concentration in silicon using uniformly doped materials
    表面化学分析 二次离子质谱 用均匀掺杂物质测定硅中硼的原子浓度
    China National Standards
    concentration

    English PDF
    GB/T 20176-2006 Surface chemical analysis-Secondary-ion mass spectrometry-Determination of boron atomic concentration in silicon using uniformly doped materials
    表面化学分析 二次离子质谱 用均匀掺杂物质测定硅中硼的原子浓度
    China National Standards
    concentration

    English PDF
    GB/T 19745-2005 Corrosion tests in artificial atmosphere at very low concentrations of polluting gas(es)
    人造低浓度污染气氛中的腐蚀试验
    China National Standards
    concentration

    English PDF
    GB/T 2423.33-2005 Environmental testing for electric and electronic products Part 2:Test Method Test Kca:High concentration sulfur dioxide
    电工电子产品环境试验 第2部分:试验方法 试验Kca:高浓度二氧化硫试验
    China National Standards
    concentration

    English PDF
    GB 19614-2004 concentration limitations of pollutants in ground water for the destruction of abandoned chemical weapons by Japan in China
    销毁日本遗弃在华化学武器 地下水中污染物浓度标准(试行)
    China National Standards
    concentration

    English PDF
    GB 19613-2004 concentration limitations of pollutants in surface water for the destruction of abandoned chemical weapons by Japan in China
    销毁日本遗弃在华化学武器 地表水中污染物浓度标准(试行)
    China National Standards
    concentration

    English PDF
    GB 19612-2004 concentrationlimitation of air pollutants for the destruction of abandoned chemical weapons by Japan in China
    销毁日本遗弃在华化学武器 环境空气中污染物浓度标准(试行)
    China National Standards
    concentration

    English PDF
    GB/T 5399-2004 Pulps--Determination of stock concentration
    纸浆 浆料浓度的测定
    China National Standards
    concentration

    English PDF
    GB/T 19199-2003 Test method for carbon concentration of semi-insulating monocrystal gallium arsenide by measurement infrared absorption method
    半绝缘砷化镓单晶中碳浓度的红外吸收测试方法
    China National Standards
    concentration

    English PDF
    GB 19059-2003 Regulation for concentration of pollutants in the workplace air for destruction of chemicalweapons abandoned in China by Japan
    销毁日本遗弃在华化学武器工作区空气中污染物浓度标准(试行)
    China National Standards
    concentration

    English PDF
    GB/T 17170-1997 Test method for deep level EL2 concentration of undoped semiinsulating monocrystal gallium arsenide by measurement infra-red absorption method
    非掺杂半绝缘砷化镓单晶深能级EL2浓度红外吸收测试方法
    China National Standards
    concentration

    English PDF
    GB/T 16425-1996 Determination for minimum explosive concentration of dust cloud
    粉尘云爆炸下限浓度测定方法
    China National Standards
    concentration

    English PDF
    GB/T 16147-1995 Scintillation flask method for measuring radon concentration in the air
    空气中氡浓度的闪烁瓶测量方法
    China National Standards
    concentration

    English PDF
    GB/T 15434-1995 Ambient air--Determination of the mass concentration of fluoride--Method by filter sampling andfluorine ion-selective electrode analysis
    环境空气 氟化物质量浓度的测定 滤膜·氟离子选择电极法
    China National Standards
    concentration

    English PDF
    GB 14882-1994 Limited concentrations of radioactive materials in foods
    食品中放射性物质限制浓度标准
    China National Standards
    concentration

    English PDF
    GB/T 6921-1986 Determination of the concentration of airborne particulate matters
    大气飘尘浓度测定方法
    China National Standards
    concentration

    English PDF
    GB/T 4920-1985 Determination of sulphuric acidmist in tail gas in sulphuric acid concentration process--Barium chromate colorimetric method
    硫酸浓缩尾气硫酸雾的测定 铬酸钡比色法
    China National Standards
    concentration

    English PDF

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