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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/Z 29619.2-2013 |
Digital data communication for measurement and control - Fieldbus for use in indusTrial control systems - Type 8: INTERBUS Specification - Part 2: Physical Layer specification and service definition 测量和控制数字数据通信 工业控制系统用现场总线 类型8: INTERBUS规范 第2部分：物理层规范和服务定义 |
China National Standards Tri |
 English PDF |
| GB/Z 29619.1-2013 |
Digital data communication for measurement and control - Fieldbus for use in indusTrial control systems - Type 8: INTERBUS specification - Part 1: Overview 测量和控制数字数据通信 工业控制系统用现场总线 类型8：INTERBUS规范 第1部分：概述 |
China National Standards Tri |
English PDF |
| GB/T 20245.4-2013 |
Expression of performance of electrochemical analyzers - Part 4: Dissolved oxygen in water measured by membrane covered amperomeTric sensors 电化学分析器性能表示 第4部分：采用覆膜电流式传感器测量水中溶解氧 |
China National Standards Tri |
English PDF |
| GB/T 18403.6-2013 |
Expression of performance of gas analyzers - Part 6: PhotomeTric analyzers 气体分析器性能表示 第6部分：光度分析器 |
China National Standards Tri |
English PDF |
| GB/T 29570-2013 |
Technical regulations for foliar nuTrient diagnosis of rubber tree 橡胶树叶片营养诊断技术规程 |
China National Standards Tri |
English PDF |
| GB/Z 23751.3-2013 |
Micro fuel cell power systems - Part 3：Fuel carTridge interchangeability 微型燃料电池发电系统 第3部分：燃料容器互换性 |
China National Standards Tri |
English PDF |
| GB/T 7404.1-2013 |
Lead-acid battery for locomotives and rolling stock - Part 1: Valve-regulate lead acid for elecTric and subway locomotives 轨道交通车辆用铅酸蓄电池 第1部分：电力机车、地铁车辆用阀控式铅酸蓄电池 |
China National Standards Tri |
English PDF |
| GB/T 29627.2-2013 |
Aramid pressboard for elecTrical purposes - Part 2: Methods of test 电气用聚芳酰胺纤维纸板 第2部分：试验方法 |
China National Standards Tri |
English PDF |
| GB/T 29627.1-2013 |
Aramid pressboard for elecTrical purposes - Part 1: Definitions, designations and general requirements 电气用聚芳酰胺纤维纸板 第1部分：定义、名称及一般要求 |
China National Standards Tri |
English PDF |
| GB/T 20629.2-2013 |
Non-cellulosic paper for elecTrical purposes - Part 2：Methods of test 电气用非纤维素纸 第2部分：试验方法 |
China National Standards Tri |
English PDF |
| GB/T 19264.3-2013 |
Pressboard and presspaper for elecTrical purposes - Part 3: Requirements for pressboard 电气用压纸板和薄纸板 第3部分：压纸板 |
China National Standards Tri |
English PDF |
| GB/T 19264.2-2013 |
Pressboard and presspaper for elecTrical purposes - Part 2: Methods of test 电气用压纸板和薄纸板 第2部分：试验方法 |
China National Standards Tri |
English PDF |
| GB/T 13422-2013 |
Semiconductor converters - ElecTrical test methods 半导体变流器 电气试验方法 |
China National Standards Tri |
English PDF |
| GB 14711-2013 |
General requirements for safety of small and medium size rotating elecTrical machines 中小型旋转电机通用安全要求 |
China National Standards Tri |
English PDF |
| GB/T 29598-2013 |
Limit and determination of Triazines in fluorescent brighteners 荧光增白剂中三嗪类杂质的限量与测定 |
China National Standards Tri |
English PDF |
| GB/T 29595-2013 |
Sealant material in terresTrial photovoltaic (PV) modules - Silicone sealant 地面用光伏组件密封材料 硅橡胶密封剂 |
China National Standards Tri |
English PDF |
| GB/T 13646-2013 |
Rubber - Determination of bound styrene content - SpectrophotomeTric method 橡胶 结合苯乙烯含量的测定 分光光度法 |
China National Standards Tri |
English PDF |
| GB/T 2893.4-2013 |
Graphical symbols - Safety colours and safety signs - Part 4: ColorimeTric and photometric properties of safety sign materials 图形符号 安全色和安全标志 第4部分：安全标志材料的色度属性和光度属性 |
China National Standards Tri |
English PDF |
| GB/T 29634-2013 |
General specification for permanent magnetic DC gearmotor using on elecTric wheelchairs 电动轮椅车用永磁直流齿轮减速电动机构通用技术条件 |
China National Standards Tri |
English PDF |
| GB/T 1414-2013 |
General purpose meTric screw threads - The plan for pipe systems 普通螺纹 管路系列 |
China National Standards Tri |
English PDF |
| GB/T 29544-2013 |
Safety requirements for off-gird type wind-solar photovoltaic hybrid elecTricity generating system 离网型风光互补发电系统 安全要求 |
China National Standards Tri |
English PDF |
| GB/T 29542-2013 |
IndusTrial off-gas energy recovery turbine expander 工业尾气能量回收透平膨胀机 |
China National Standards Tri |
English PDF |
| GB 20052-2013 |
Minimum allowable values of energy efficiency and energy efficiency grades for three-phase disTribution transformers 三相配电变压器能效限定值及能效等级 |
China National Standards Tri |
English PDF |
| GB 12021.4-2013 |
The maximum allowable values of the energy，water consumption and grades for household elecTric washing machines 电动洗衣机能效水效限定值及等级 |
China National Standards Tri |
English PDF |
| GB/T 6730.70-2013 |
Iron ores - Determination of total iron content - TiTrimetric method after tin(Ⅱ) chloride reduction 铁矿石 全铁含量的测定 氯化亚锡还原滴定法 |
China National Standards Tri |
English PDF |
| GB/T 6730.32-2013 |
Iron ores - Determination of vanadium content - The ammonium ferrous sulfate tiTrimetric method 铁矿石 钒含量的测定 硫酸亚铁铵滴定法 |
China National Standards Tri |
English PDF |
| GB/T 29510-2013 |
General requirements for the disTribution of personal protection equipment 个体防护装备配备基本要求 |
China National Standards Tri |
English PDF |
| GB/T 14164-2013 |
Hot rolled wide sTrips for line pipe of petroleum and natural gas 石油天然气输送管用热轧宽钢带 |
China National Standards Tri |
English PDF |
| GB 50264-2013 |
Code for design of indusTrial equipment and pipeline insulation engineering 工业设备及管道绝热工程设计规范 |
China National Standards Tri |
English PDF |
| GB 19430-2013 |
Effluent standards of water pollutants for ciTric acid industry 柠檬酸工业水污染物排放标准 |
China National Standards Tri |
English PDF |
| GB/T 29481-2013 |
Signs for elecTrical safety 电气安全标志 |
China National Standards Tri |
English PDF |
| GB/T 29492-2013 |
Chemicals applied in digital printing materials - The determination of Triazines B - Reversed phase high performance liquid chromatography 数字印刷材料用化学品 三嗪B含量的测定 反相高效液相色谱法 |
China National Standards Tri |
English PDF |
| GB/T 29485-2013 |
Ship and marine technology - ElecTric rudder angle indicators 船舶和海上技术 电气舵角指示器 |
China National Standards Tri |
English PDF |
| GB/T 29484-2013 |
ElecTrical installations in ships - Part 503: Special features - AC supply systems with voltages in the range of above 1 kV up to and including 15 kV 船舶电气设备 第503部分：专辑 电压1kV以上至不大于15kV的交流供电系统 |
China National Standards Tri |
English PDF |
| GB/T 29483-2013 |
ElecTrical safety of machinery - Application of protective equipment to detect the presence of persons 机械电气安全 检测人体存在的保护设备应用 |
China National Standards Tri |
English PDF |
| GB/T 29482.1-2013 |
Numerical control system of indusTrial machines - Part 1: General requipments 工业机械数字控制系统 第1部分：通用技术条件 |
China National Standards Tri |
English PDF |
| GB/T 29480-2013 |
Safety guideline for accessible elecTrical equipments 接近电气设备的安全导则 |
China National Standards Tri |
English PDF |
| GB 50260-2013 |
Code for seismic design of elecTrical installations 电力设施抗震设计规范 |
China National Standards Tri |
English PDF |
| GB/T 20173-2013 |
Petroleum and natural gas indusTries―Pipeline transportation systems―Pipeline valves 石油天然气工业 管道输送系统 管道阀门 |
China National Standards Tri |
English PDF |
| GB 29280-2012 |
Information technology - Tibetan ideogram coded character set (extension set B) - 24×48 dot maTrix font - Bkav bstan bold 信息技术 藏文编码字符集(扩充集B) 24×48点阵字型 甘丹黑体 |
China National Standards Tri |
English PDF |
| GB 29279-2012 |
Information technology - Tibetan ideogram coded character set (extension set B) - 24×48 dot maTrix font - Bkav bstan lean 信息技术 藏文编码字符集(扩充集B) 24×48点阵字型 甘丹白体 |
China National Standards Tri |
English PDF |
| GB 29278-2012 |
Information technology - Tibetan ideogram coded character set (extension set B) - 16×32 dot maTrix font - Bkav bstan bold 信息技术 藏文编码字符集(扩充集B) 16×32点阵字型 甘丹黑体 |
China National Standards Tri |
English PDF |
| GB 29277-2012 |
Information technology - Tibetan ideogram coded character set (extension set B) - 16×32 dot maTrix font - Bkav bstan lean 信息技术 藏文编码字符集(扩充集B) 16×32点阵字型 甘丹白体 |
China National Standards Tri |
English PDF |
| GB 29276-2012 |
Information technology - Tibetan ideogram coded character set (basic set & extension set A) - 24×48 dot maTrix font - Bkav bstan bold 信息技术 藏文编码字符集(基本集及扩充集A) 24×48点阵字型 甘丹黑体 |
China National Standards Tri |
English PDF |
| GB 29275-2012 |
Information technology - Tibetan ideogram coded character set (basic set & extension set A) - 24×48 dot maTrix font - Bkav bstan lean 信息技术 藏文编码字符集(基本集及扩充集A) 24×48点阵字型 甘丹白体 |
China National Standards Tri |
English PDF |
| GB 29274-2012 |
Information technology - Tibetan ideogram coded character set (basic set & extension set A) - 16×32 dot maTrix font - Bkav bstan bold 信息技术 藏文编码字符集(基本集及扩充集A) 16×32点阵字型 甘丹黑体 |
China National Standards Tri |
English PDF |
| GB 29273-2012 |
Information technology - Tibetan ideogram coded character set (basic set & extension set A) - 16×32 dot maTrix font - Bkav bstan lean 信息技术 藏文编码字符集(基本集及扩充集A) 16×32点阵字型 甘丹白体 |
China National Standards Tri |
English PDF |
| GB 20044-2012 |
ElecTrical accessories - Portable residual current devices without integral overcurrent protection for household and similar use (PRCD) 电气附件 家用和类似用途的不带过电流保护的移动式剩余电流装置(PRCD) |
China National Standards Tri |
English PDF |
| GB 16915.2-2012 |
Switches for household and similar fixed elecTrical installations - Part 2-1: Particular requirements - Electronic switches 家用和类似用途固定式电气装置的开关 第2-1部分：电子开关的特殊要求 |
China National Standards Tri |
English PDF |
| GB 12668.3-2012 |
Adjustable speed elecTrical power drive systems - Part 3: EMC requirements and specific test methods 调速电气传动系统 第3部分 :电磁兼容性要求及其特定的试验方法 |
China National Standards Tri |
English PDF |
| GB/T 8151.17-2012 |
Methods for chemical analysis of zinc concentrates - Part 17：Determination of zinc content - Hydroxide precipitation and Na2EDTA tiTrimetric method 锌精矿化学分析方法 第17部分：锌量的测定 氢氧化物沉淀-Na2EDTA滴定法 |
China National Standards Tri |
English PDF |
| GB/T 8151.14-2012 |
Methods for chemical analysis of zinc concentrates - Part 14： Determination of nickel content - The flame atomic absorption spectromeTric method 锌精矿化学分析方法 第14部分：镍量的测定 火焰原子吸收光谱法 |
China National Standards Tri |
English PDF |
| GB/T 8151.13-2012 |
Methods for chemical analysis of zinc concentrates - Part 13： Determination of germanium content - Hydride generation-atomic fluorescence spectrometry and the phenyl fluorone spectrophptomeTric method 锌精矿化学分析方法 第13部分：锗量的测定 氢化物发生-原子荧光光谱法和苯芴酮分光光度法 |
China National Standards Tri |
English PDF |
| GB/T 8151.12-2012 |
Methods for chemical analysis of zinc concentrates - Part 12： Determination of sliver content - The flame atomic absorption spectromeTric method 锌精矿化学分析方法 第12部分：银量的测定 火焰原子吸收光谱法 |
China National Standards Tri |
English PDF |
| GB/T 8151.1-2012 |
Methods for chemical analysis of zinc concentrates - Part 1：Determination of zinc content - Precipitate separation-Na2EDTA tiTrimetric method and extractive separation-Na2EDTA titrimetric method 锌精矿化学分析方法 第1部分：锌量的测定 沉淀分离Na2EDTA滴定法和萃取分离Na2EDTA滴定法 |
China National Standards Tri |
English PDF |
| GB/T 8151.8-2012 |
Methods for chemical analysis of zinc concentrates - Part 8： Determination of cadmium content - The flame atomic absorption spectromeTric method 锌精矿化学分析方法 第8部分：镉量的测定 火焰原子吸收光谱法 |
China National Standards Tri |
English PDF |
| GB/T 8151.7-2012 |
Methods for chemical analysis of zinc concentrates - Part 7： Determination of arsenic content - Hydride generation-atomic fluorescence spectrometry and the potassium bromate tiTrimetric method 锌精矿化学分析方法 第7部分：砷量的测定 氢化物发生-原子荧光光谱法和溴酸钾滴定法 |
China National Standards Tri |
English PDF |
| GB/T 8151.6-2012 |
Methods for chemical analysis of zinc concentrates - Part 6： Determination of copper content - The flame atomic absorption spectromeTric method 锌精矿化学分析方法 第6部分：铜量的测定 火焰原子吸收光谱法 |
China National Standards Tri |
English PDF |
| GB/T 8151.5-2012 |
Methods for chemical analysis of zinc concentrates - Part 5： Determination of lead content - The flame atomic absorption spectromeTric method 锌精矿化学分析方法 第5部分：铅量的测定 火焰原子吸收光谱法 |
China National Standards Tri |
English PDF |
| GB/T 8151.3-2012 |
Methods for chemical analysis of zinc concentrates - Part 3： Determination of iron content - Na2EDTA tiTrimetric method 锌精矿化学分析方法 第3部分：铁量的测定 Na2EDTA滴定法 |
China National Standards Tri |
English PDF |
| GB/T 8151.2-2012 |
Methods for chemical analysis of zinc concentrates - Part 2：Determination of sulfur content - The combustion neutralization tiTrimetric method 锌精矿化学分析方法 第2部分：硫量的测定 燃烧中和滴定法 |
China National Standards Tri |
English PDF |
| GB/T 8151.19-2012 |
Methods for chemical analysis of zinc sulfide concentrates - Part 19：Determination of silver and gold contents - Fire assay and flame atomic absorption spectromeTric method using scorification or cupellation 锌精矿化学分析方法 第19部分：金和银含量的测定 铅析或灰吹火试金和火焰原子吸收光谱法 |
China National Standards Tri |
English PDF |
| GB/T 8151.18-2012 |
Methods for chemical analysis of zinc concentrates - Part 18： Determination of zinc content - Ion-exchange/ Na2EDTA tiTrimetric method 锌精矿化学分析方法 第18部分：锌量的测定 离子交换-Na2EDTA滴定法 |
China National Standards Tri |
English PDF |
| GB/T 4324.23-2012 |
Methods for chemical analysis of tungsten - Part 23: Determination of sulfur content - The combustion-conductomeTric titration and high frequency combustion-infrared absorption method 钨化学分析方法 第23部分：硫量的测定 燃烧电导法和高频燃烧红外吸收法 |
China National Standards Tri |
English PDF |
| GB/T 4324.19-2012 |
Methods for chemical analysis of tungsten - Part 19: Determination of titanium content - The diantipyrylmethane photomeTric spectrophtometry 钨化学分析方法 第19部分：钛量的测定 二安替比林甲烷分光光度法 |
China National Standards Tri |
English PDF |
| GB/T 4324.16-2012 |
Methods for chemical analysis of tungsten - Part 16: Determination of loss content on ignition - GravimeTric method 钨化学分析方法 第16部分：灼烧损失量的测定 重量法 |
China National Standards Tri |
English PDF |
| GB/T 4324.14-2012 |
Methods for chemical analysis of tungsten - Part 14: Determination of residue content after chloride volatility - GravimeTric method 钨化学分析方法 第14部分：氯化挥发后残渣量的测定 重量法 |
China National Standards Tri |
English PDF |
| GB/T 3884.3-2012 |
Methods for chemical analysis of copper concentrates - Part 3: Determination of sulfur content - GravimeTric method and Combustion-titration method 铜精矿化学分析方法 第3部分：硫量的测定 重量法和燃烧-滴定法 |
China National Standards Tri |
English PDF |
| GB/T 3884.2-2012 |
Methods for chemical analysis of copper concentrates - Part 2: Determination of gold and silver contents - Flame atomic absorption spectrmeTric method and fire assay method 铜精矿化学分析方法 第2部分：金和银量的测定 火焰原子吸收光谱法和火试金法 |
China National Standards Tri |
English PDF |
| GB/T 3884.14-2012 |
Methods for chemical analysis of copper concentrates - Part 14: Determination of gold and silver - Fire assay gravimeTric and flame atomic absorption spectrometric method 铜精矿化学分析方法 第14部分：金和银量测定 火试金重量法和原子吸收光谱法 |
China National Standards Tri |
English PDF |
| GB/T 3884.13-2012 |
Methods for chemical analysis of copper concentrates - Part 13: Determination of copper - ElectrogravimeTric method 铜精矿化学分析方法 第13部分：铜量测定 电解法 |
China National Standards Tri |
English PDF |
| GB/T 3880.3-2012 |
Wrought aluminium and aluminium alloy plates，sheets and sTrips for general engineering - Part 3: Tolerances on forms and dimensions 一般工业用铝及铝合金板、带材 第3部分：尺寸偏差 |
China National Standards Tri |
English PDF |
| GB/T 3880.2-2012 |
Wrought aluminium and aluminium alloy plates，sheets and sTrips for general engineering - Part 2: Mechanical properties 一般工业用铝及铝合金板、带材 第2部分：力学性能 |
China National Standards Tri |
English PDF |
| GB/T 3880.1-2012 |
Wrought aluminium and aluminium alloy plates，sheets and sTrips for general engineering - Part 1: Technical conditions of delivery 一般工业用铝及铝合金板、带材 第1部分：一般要求 |
China National Standards Tri |
English PDF |
| GB/T 3622-2012 |
Titanium and titanium alloy sTrip and foil 钛及钛合金带、箔材 |
China National Standards Tri |
English PDF |
| GB/T 29180.2-2012 |
The investigative methods and procedures for elecTrical fire - Part 2：Methods for dissolution and separation of physical evidence 电气火灾勘验方法和程序 第2部分：物证的溶解分离提取方法 |
China National Standards Tri |
English PDF |
| GB/T 29071-2012 |
Non-destructive testing - Test method for indusTrial computed tomography (CT) examination of initiating explosive device 无损检测 火工装置工业计算机层析成像（CT）检测方法 |
China National Standards Tri |
English PDF |
| GB/T 29070-2012 |
Non-destructive testing - IndusTrial computed tomography (CT) testing - General requirements 无损检测 工业计算机层析成像（CT）检测 通用要求 |
China National Standards Tri |
English PDF |
| GB/T 29069-2012 |
Non-destructive testing - Test method for measurement of indusTrial computed tomography (CT) system performance 无损检测 工业计算机层析成像（CT）系统性能测试方法 |
China National Standards Tri |
English PDF |
| GB/T 29068-2012 |
Non-destructive testing - Guide for indusTrial computed tomography (CT) system selection 无损检测 工业计算机层析成像（CT）系统选型指南 |
China National Standards Tri |
English PDF |
| GB/T 29067-2012 |
Non-destructive testing - Test method for measuring indusTrial computed tomography (CT) image 无损检测 工业计算机层析成像（CT）图像测量方法 |
China National Standards Tri |
English PDF |
| GB/T 29056-2012 |
Trichlorosilane for silicon epitaxy - Determination of boron，aluminium，phosphorus，vanadium，chrome，manganese，iron，cobalt，nickel，copper，molybdenum，arsenic and antimony content - Inductively coupled plasma mass spectrometric method 硅外延用三氯氢硅化学分析方法 硼、铝、磷、钒、铬、锰、铁、钴、镍、铜、钼、砷和锑量的测定 电感耦合等离子体质谱法 |
China National Standards Tri |
English PDF |
| GB/T 29034-2012 |
Non-destructive testing - Guide for indusTrial computed tomography (CT) imaging 无损检测 工业计算机层析成像（CT）指南 |
China National Standards Tri |
English PDF |
| GB/T 29025-2012 |
Determination of particle size disTributions - Electrical sensing zone method 粒度分析 电阻法 |
China National Standards Tri |
English PDF |
| GB/T 29024.3-2012 |
Determination of particle size disTribution - Single particle light interaction methods - Part 3: Light extinction liquid-borne particle counter 粒度分析 单颗粒的光学测量方法：第3部分：液体颗粒计数器光阻法 |
China National Standards Tri |
English PDF |
| GB/T 2529-2012 |
Copper sheets and bars for elecTrical conduction purpose 导电用铜板和条 |
China National Standards Tri |
English PDF |
| GB/T 223.65-2012 |
Steel, iron and alloy - Determination of cobalt content - Flame atomic absorption spectromeTric method 钢铁及合金 钴含量的测定 火焰原子吸收光谱法 |
China National Standards Tri |
English PDF |
| GB/T 17754-2012 |
Tribology terminology 摩擦学术语 |
China National Standards Tri |
English PDF |
| GB/T 17492-2012 |
IndusTrial woven wire cloth - Technical requirements and testing 工业用金属丝编织网 技术要求和检验 |
China National Standards Tri |
English PDF |
| GB/T 16840.6-2012 |
Technical determination methods for elecTrical fire evidence - Part 6：Micro-morphological analysis method using scanning electron microscope 电气火灾痕迹物证技术鉴定方法 第6部分：SEM微观形貌分析法 |
China National Standards Tri |
English PDF |
| GB/T 16840.5-2012 |
Technical determination methods for elecTrical fire evidence - Part 5: Method of recognizing and collecting the physical evidence of electrical fire 电气火灾痕迹物证技术鉴定方法 第5部分：电气火灾物证识别和提取方法 |
China National Standards Tri |
English PDF |
| GB/T 11087-2012 |
Brass sTrip for heat-exchanger tubing 散热器冷却管专用黄铜带 |
China National Standards Tri |
English PDF |
| GB 29442-2012 |
The norm of energy consumption per unit products of copper and copper-alloy sheet,sTrip,foil 铜及铜合金板、带、箔材单位产品能源消耗限额 |
China National Standards Tri |
English PDF |
| GB 29441-2012 |
The norm of energy consumption per unit product of dilute niTric acid 稀硝酸单位产品能源消耗限额 |
China National Standards Tri |
English PDF |
| GB 29141-2012 |
The norm of energy consumption per unit product of sulfuric acid for indusTrial use 工业硫酸单位产品能源消耗限额 |
China National Standards Tri |
English PDF |
| GB/T 29058-2012 |
Building indusTrial machine safety technical requirements - General principles 墙材工业机械安全技术要求 总则 |
China National Standards Tri |
English PDF |
| GB/T 29046-2012 |
Test methods of technical specification for pre-insulated directly buried disTrict heating pipes 城镇供热预制直埋保温管道技术指标检测方法 |
China National Standards Tri |
English PDF |
| GB/T 6366-2012 |
Surface active agents - Determination of mineral sulfate content - TiTrimetric method 表面活性剂 无机硫酸盐含量的测定 滴定法 |
China National Standards Tri |
English PDF |
| GB/T 4348.3-2012 |
Sodium hydroxide for indusTrial use - Determination of iron content－1，10－phenanthroline photometric method 工业用氢氧化钠 铁含量的测定 1，10-菲啰啉分光光度法 |
China National Standards Tri |
English PDF |
| GB/T 7385-2012 |
Non-ionic surface active agents - Polyethoxylated derivatives - IodomeTric determination of oxyethylene groups 非离子型表面活性剂 聚乙氧基化衍生物中氧乙烯基含量的测定 碘量法 |
China National Standards Tri |
English PDF |
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