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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 4325.2-2013 |
methods for chemical analysis of molybdenum - Part 2: Determination of cadmium content - Flame atomic absorption spectrometry 钼化学分析方法 第2部分：镉量的测定 火焰原子吸收光谱法 |
China National Standards me |
 English PDF |
| GB/T 4325.21-2013 |
methods for chemical analysis of molybdenum - Part 21: Determination of carbon content and sulfur content - High frequency combustion-infrared absorption method 钼化学分析方法 第21部分：碳量和硫量的测定 高频燃烧红外吸收法 |
China National Standards me |
English PDF |
| GB/T 4325.20-2013 |
methods for chemical analysis of molybdenum - Part 20: Determination of manganese content - Flame atomic absorption spectrometry 钼化学分析方法 第20部分：锰量的测定 火焰原子吸收光谱法 |
China National Standards me |
English PDF |
| GB/T 4325.19-2013 |
methods for chemical analysis of molybdenum - Part 19: Determination of chromium content - Diphenylcarbazide spectrophotometry 钼化学分析方法 第19部分：铬量的测定 二苯基碳酰二肼分光光度法 |
China National Standards me |
English PDF |
| GB/T 4325.18-2013 |
methods for chemical analysis of molybdenum - Part 18: Determination of vanadium content - N-benzoyl-N-phenylhydroxylamine spectrophotometry and inductively coupled plasma atomic emission spectrometry 钼化学分析方法 第18部分：钒量的测定 钽试剂分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards me |
English PDF |
| GB/T 4325.17-2013 |
methods for chemical analysis of molybdenum - Part 17: Determination of titanium content - Diantipyrylmethane spectrophotometry and inductively coupled plasma atomic emission spectrometry 钼化学分析方法 第17部分：钛量的测定 二安替比林甲烷分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards me |
English PDF |
| GB/T 4325.16-2013 |
methods for chemical analysis of molybdenum - Part 16: Determination of potassium content - Flame atomic absorption spectrometry 钼化学分析方法 第16部分：钾量的测定 火焰原子吸收光谱法 |
China National Standards me |
English PDF |
| GB/T 4325.15-2013 |
methods for chemical analysis of molybdenum - Part 15: Determination of sodium content - Flame atomic absorption spectrometry 钼化学分析方法 第15部分：钠量的测定 火焰原子吸收光谱法 |
China National Standards me |
English PDF |
| GB/T 4325.14-2013 |
methods for chemical analysis of molybdenum - Part 14: Determination of magnesium content - Flame atomic absorption spectrometry 钼化学分析方法 第14部分：镁量的测定 火焰原子吸收光谱法 |
China National Standards me |
English PDF |
| GB/T 4325.13-2013 |
methods for chemical analysis of molybdenum - Part 13: Determination of calcium content - Flame atomic absorption spectrometry 钼化学分析方法 第13部分：钙量的测定 火焰原子吸收光谱法 |
China National Standards me |
English PDF |
| GB/T 4325.12-2013 |
methods for chemical analysis of molybdenum - Part 12: Determination of silicon content - Inductively coupled plasma atomic emission spectrometry 钼化学分析方法 第12部分：硅量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards me |
English PDF |
| GB/T 4325.1-2013 |
methods for chemical analysis of molybdenum - Part 1: Determination of lead content - Graphite furnace atomic absorption spectrometry 钼化学分析方法 第1部分：铅量的测定 石墨炉原子吸收光谱法 |
China National Standards me |
English PDF |
| GB/T 4325.11-2013 |
methods for chemical analysis of molybdenum - Part 11: Determination of aluminum content - Chromazurol S spectrophotometry and inductively coupled plasma atomic emission spectrometry 钼化学分析方法 第11部分：铝量的测定 铬天青S分光光度法和电感耦合等离子体原子发射光谱法 |
China National Standards me |
English PDF |
| GB/T 4325.10-2013 |
methods for chemical analysis of molybdenum - Part 10: Determination of copper content - Flame atomic absorption spectrometry 钼化学分析方法 第10部分：铜量的测定 火焰原子吸收光谱法 |
China National Standards me |
English PDF |
| GB/T 29517-2013 |
method for manual sample preparation of chrome ores in bulk 散装铬矿石手工制样方法 |
China National Standards me |
English PDF |
| GB/T 29515-2013 |
Cold rolled steel sheet for enamelling - Fish-scaling sensitivity test - Hydrogen permeation method 搪瓷用冷轧钢板 鳞爆敏感性试验 氢渗透法 |
China National Standards me |
English PDF |
| GB/T 29514-2013 |
Technical specification of steel making slag treatment technology 钢渣处理工艺技术规范 |
China National Standards me |
English PDF |
| GB/T 29513-2013 |
Chemical analysis of ferric-containing dust and sludge by XRF-Fused cast bead method 含铁尘泥 X射线荧光光谱化学分析 熔铸玻璃片法 |
China National Standards me |
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 me |
English PDF |
| GB/T 29509.2-2013 |
methods for chemical analysis of gold-loaded carbon - Part 2：Determination of silver content - Flame atomic absorption spectrometry 载金炭化学分析方法 第2部分：银量的测定 火焰原子吸收光谱法 |
China National Standards me |
English PDF |
| GB/T 29509.1-2013 |
methods for chemical analysis of gold-loaded carbon - Part 1: Determination of gold content 载金炭化学分析方法 第1部分：金量的测定 |
China National Standards me |
English PDF |
| GB/T 29507-2013 |
Test method for measuring flatness, thickness and total thickness variation on silicon wafers by automated non-contact scanning 硅片平整度、厚度及总厚度变化测试 自动非接触扫描法 |
China National Standards me |
English PDF |
| GB/T 29505-2013 |
Test method for measuring surface roughness on planar surfaces of silicon wafer 硅片平坦表面的表面粗糙度测量方法 |
China National Standards me |
English PDF |
| GB/T 17398-2013 |
Code of dust and poison control for lead smelting 铅冶炼防尘防毒技术规程 |
China National Standards me |
English PDF |
| GB/T 5463.3-2013 |
Non metallic mineral products vocabulary - Part 3: Gypsum 非金属矿产品词汇 第3部分：石膏 |
China National Standards me |
English PDF |
| GB/T 5463.2-2013 |
Non metallic mineral products vocabulary - Part 2: Talc 非金属矿产品词汇 第2部分：滑石 |
China National Standards me |
English PDF |
| GB/T 17646-2013 |
Design requirements for small wind turbines 小型风力发电机组 设计要求 |
China National Standards me |
English PDF |
| GB/T 50848-2013 |
Documentation standard for engineering construction project design in mechanical industry 机械工业工程建设项目设计文件编制标准 |
China National Standards me |
English PDF |
| GB 50830-2013 |
Code for design of metal mine 冶金矿山采矿设计规范 |
China National Standards me |
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 me |
English PDF |
| GB/T 50770-2013 |
Code for design of safety instrumented system in petrochemical engineering 石油化工安全仪表系统设计规范 |
China National Standards me |
English PDF |
| GB/T 29493.5-2013 |
Determination of harmful substances in textile dyeing and fininshing auxiliaries - Part 5: Determination of free formaldehyde in emulsion polymers 纺织染整助剂中有害物质的测定 第5部分：乳液聚合物中游离甲醛含量的测定 |
China National Standards me |
English PDF |
| GB/T 29493.4-2013 |
Determination of harmful substances in textile dyeing and finishing auxiliaries - Part 4: Determination of polycyclic aromatic hydrocarbons - GC/MS method 纺织染整助剂中有害物质的测定 第4部分：稠环芳烃化合物(PAHs)的测定 气相色谱-质谱法 |
China National Standards me |
English PDF |
| GB/T 29493.3-2013 |
Determination of harmful substances in textile dyeing and finishing auxiliaries - Part 3: Determination of organotins GC/MS method 纺织染整助剂中有害物质的测定 第3部分：有机锡化合物的测定 气相色谱-质谱法 |
China National Standards me |
English PDF |
| GB/T 29493.2-2013 |
Determination of harmful substances in textile dyeing and finishing auxiliaries - Part 2: Determination of perfluorooctane sulfonates and perfluorooctanoicacid HPLC-MS/MS method 纺织染整助剂中有害物质的测定 第2部分：全氟辛烷磺酰基化合物(PFOS)和全氟辛酸(PFOA)的测定 高效液相色谱-质谱法 |
China National Standards me |
English PDF |
| GB/T 29493.1-2013 |
Determination of harmful substances in textile dyeing and finishing auxiliaries - Part 1: Determination of polybrominated biphenyl and polybrominated diphenyl ethers GC/MS method 纺织染整助剂中有害物质的测定 第1部分： 多溴联苯和多溴二苯醚的测定 气相色谱-质谱法 |
China National Standards me |
English PDF |
| GB/T 29491-2013 |
Domestic dolomite wares 日用白云陶器 |
China National Standards me |
English PDF |
| GB/Z 25320.5-2013 |
Power systems management and associated information exchange - Data and communications security - Part 5: Security for GB/T 18657 and derivatives 电力系统管理及其信息交换 数据和通信安全 第5部分：GB/T 18657等及其衍生标准的安全 |
China National Standards me |
English PDF |
| GB/Z 25320.2-2013 |
Power systems management and associated information exchange - Data and communications security - Part 2: Glossary of terms 电力系统管理及其信息交换 数据和通信安全 第2部分：术语 |
China National Standards me |
English PDF |
| GB/T 5008.2-2013 |
Lead-acid starter batteries - Part 2: Dimensions of batteries and dimensions and marking of terminals 起动用铅酸蓄电池 第2部分：产品品种规格和端子尺寸、标记 |
China National Standards me |
English PDF |
| GB/T 5008.1-2013 |
Lead-acid starter batteries - Part 1: Technical conditions and methods of test 起动用铅酸蓄电池 第1部分: 技术条件和试验方法 |
China National Standards me |
English PDF |
| GB/T 4960.9-2013 |
Glossary of nuclear science and technology terms - Part 9：Magnetic confinement fusion 核科学技术术语 第9部分：磁约束核聚变 |
China National Standards me |
English PDF |
| GB/T 29488-2013 |
medium/high-power Biogas generating set 中大功率沼气发电机组 |
China National Standards me |
English PDF |
| GB/T 29487-2013 |
medium/high-power mine gas generating set 中大功率瓦斯发电机组 |
China National Standards me |
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 me |
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 me |
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 me |
English PDF |
| GB/T 20840.5-2013 |
Instrument transformers - Part 5: Additional requirements for capacitor voltage transformers 互感器 第5部分：电容式电压互感器的补充技术要求 |
China National Standards me |
English PDF |
| GB/T 16927.2-2013 |
High-voltage test techniques - Part 2：measuring systems 高电压试验技术 第2部分：测量系统 |
China National Standards me |
English PDF |
| GB/T 13539.6-2013 |
Low-voltage fuses - Part 6: Supplementary requirements for fuse-links for the protection of solar photovoltaic energy systems 低压熔断器 第6部分：太阳能光伏系统保护用熔断体的补充要求 |
China National Standards me |
English PDF |
| GB/T 10256-2013 |
Radioactivity meter 放射性活度计 |
China National Standards me |
English PDF |
| GB/T 29490-2013 |
Enterprise intellectual property management 企业知识产权管理规范 |
China National Standards me |
English PDF |
| GB/T 50266-2013 |
Standard for test methods of engineering rock mass 工程岩体试验方法标准 |
China National Standards me |
English PDF |
| GB/T 30315-2013 |
Test method for reciprocating flex fatigue of dipped cords 浸胶帘线往复曲挠疲劳试验方法 |
China National Standards me |
English PDF |
| GB/T 30440.1-2013 |
Specification for product of amusement game—Part 1：General requirement 游戏游艺机产品规范 第1部分：通用要求 |
China National Standards me |
English PDF |
| GB 5296.4-2012 |
Instructions for use of products of consumer interest - Part 4: Textiles and apparel 消费品使用说明 第4部分：纺织品和服装 |
China National Standards me |
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| GB 29281-2012 |
Safety requirements for playpens and similar cribs 游戏围栏及类似用途童床的安全要求 |
China National Standards me |
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| GB 7247.1-2012 |
Safety of laser products - Part 1: Equipment classification and requirements 激光产品的安全 第1部分：设备分类、要求 |
China National Standards me |
English PDF |
| GB 4943.23-2012 |
Information technology equipment - Safety - Part 23: Large data storage equipment 信息技术设备 安全 第23部分：大型数据存储设备 |
China National Standards me |
English PDF |
| GB 29410-2012 |
Domestic dimethy ether gas cooking appliances 家用二甲醚燃气灶 |
China National Standards me |
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| GB 2099.2-2012 |
Plugs and socket-outlets for household and similar purposes - Part 2: Particular requirements for socket-outlets for appliances 家用和类似用途插头插座 第2部分：器具插座的特殊要求 |
China National Standards me |
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| 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 me |
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| GB 15579.12-2012 |
Arc welding equipment - Part 12: Coupling devices for welding cables 弧焊设备 第12部分：焊接电缆耦合装置 |
China National Standards me |
English PDF |
| GB 15579.11-2012 |
Arc welding equipment - Part 11: Electrode holders 弧焊设备 第11部分：电焊钳 |
China National Standards me |
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 me |
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| GB 18445-2012 |
Cementitious capillary crystalline waterproofing materials 水泥基渗透结晶型防水材料 |
China National Standards me |
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| GB/T 8545-2012 |
Die forgings of aluminium and aluminium alloy - Dimensional tolerance and machining allowance 铝及铝合金模锻件的尺寸偏差及加工余量 |
China National Standards me |
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 me |
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 me |
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 me |
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 me |
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 me |
English PDF |
| GB/T 8151.11-2012 |
methods for chemical analysis of zinc concentrates - Part 11： Determination of antimony content - Hydride generation-atomic fluorescence spectrometry 锌精矿化学分析方法 第11部分：锑量的测定 氢化物发生-原子荧光光谱法 |
China National Standards me |
English PDF |
| GB/T 8151.10-2012 |
methods for chemical analysis of zinc concentrates - Part 10：Determination of tin content - Hydride generation-atomic fluorescence spectrometry 锌精矿化学分析方法 第10部分：锡量的测定 氢化物发生-原子荧光光谱法 |
China National Standards me |
English PDF |
| GB/T 7936-2012 |
Hydraulic fluid power-positive displacement pumps and motors - Determination of derived capacity 液压泵和马达 空载排量测定方法 |
China National Standards me |
English PDF |
| GB/T 8151.9-2012 |
methods for chemical analysis of zinc concentrates - Part 9： Determination of fluorine content - The ion selective electrode method 锌精矿化学分析方法 第9部分：氟量的测定 离子选择电极法 |
China National Standards me |
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 me |
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 me |
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 me |
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 me |
English PDF |
| GB/T 8151.4-2012 |
methods for chemical analysis of zinc concentrates - Part 4： Determination of silicon dioxide content - Molybdenum blue spectrophotometry 锌精矿化学分析方法 第4部分：二氧化硅量的测定 钼蓝分光光度法 |
China National Standards me |
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 me |
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 me |
English PDF |
| GB/T 8151.20-2012 |
methods for chemical analysis of zinc concentrates - Part 20：Determination of copper,lead,iron,arsenic,cadmium antimony, calcium,magnesium contents - Inductively coupled plasma atomic emission spectrometry 锌精矿化学分析方法 第20部分：铜、铅、铁、砷、镉、锑、钙、镁量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards me |
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 me |
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 me |
English PDF |
| GB/T 6003.2-2012 |
Test sieves - Technical requirements and testing - Part 2: Test sieves of metal wire cloth 试验筛 技术要求和检验 第2部分：金属穿孔板试验筛 |
China National Standards me |
English PDF |
| GB/T 4436-2012 |
Wrought aluminum and aluminum alloy tubes - Dimensions and deviations 铝及铝合金管材外形尺寸及允许偏差 |
China National Standards me |
English PDF |
| GB/T 4324.9-2012 |
methods for chemical analysis of tungsten - Part 9: Determination of cadmium content - Inductively coupled plasma atomic emission spectrometry and flame atomic absorption spectrometry 钨化学分析方法 第9部分：镉量的测定 电感耦合等离子体原子发射光谱法和火焰原子吸收光谱法 |
China National Standards me |
English PDF |
| GB/T 4324.7-2012 |
methods for chemical analysis of tungsten - Part 7: Determination of cobalt content - Inductively coupled plasma atomic emission spectrometry 钨化学分析方法 第7部分：钴量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards me |
English PDF |
| GB/T 4324.6-2012 |
methods for chemical analysis of tungsten - Part 6: Determination of iron content-1,10-phenanthroline spectrophotometry 钨化学分析方法 第6部分：铁量的测定 邻二氮杂菲分光光度法 |
China National Standards me |
English PDF |
| GB/T 4324.5-2012 |
methods for chemical analysis of tungsten - Part 5: Determination of arsenic content - Hydrogenate atomic absorption spectrometry 钨化学分析方法 第5部分：砷量的测定 氢化物原子吸收光谱法 |
China National Standards me |
English PDF |
| GB/T 4324.4-2012 |
methods for chemical analysis of tungsten - Part 4: Determination of antimony content - Hydrogenate atomic absorption spectrometry 钨化学分析方法 第4部分：锑量的测定 氢化物原子吸收光谱法 |
China National Standards me |
English PDF |
| GB/T 4324.3-2012 |
methods for chemical analysis of tungsten - Part 3: Determination of tin content - Hydrogenate atomic absorption spectrometry 钨化学分析方法 第3部分：锡量的测定 氢化物原子吸收光谱法 |
China National Standards me |
English PDF |
| GB/T 4324.28-2012 |
methods for chemical analysis of tungsten - Part 28: Determination of molybdenum content - The thioyanate spectrophotometry 钨化学分析方法 第28部分：钼量的测定 硫氰酸盐分光光度法 |
China National Standards me |
English PDF |
| GB/T 4324.27-2012 |
methods for chemical analysis of tungsten - Part 27:：Determination of carbon content - High frequency combustion-infrared absorption method 钨化学分析方法 第27部分：碳量的测定 高频燃烧红外吸收法 |
China National Standards me |
English PDF |
| GB/T 4324.26-2012 |
methods for chemical analysis of tungsten - Part 26: Determination of nitrogen content - Pulse heating inert gas fusion-thermal conductive method and the Nessler reagent spectrophotometry 钨化学分析方法 第26部分：氮量的测定 脉冲加热惰气熔融-热导法和奈氏试剂分光光度法 |
China National Standards me |
English PDF |
| GB/T 4324.25-2012 |
methods for chemical analysis of tungsten - Part 25: Determination of oxygen content - Pulse heating inert gas fusion-infrared absorption method 钨化学分析方法 第25部分：氧量的测定 脉冲加热惰气熔融-红外吸收法 |
China National Standards me |
English PDF |
| GB/T 4324.24-2012 |
methods for chemical analysis of tungsten - Part 24: Determination of phosphorus content - Molybdemum blue photometry 钨化学分析方法 第24部分：磷量的测定 钼蓝分光光度法 |
China National Standards me |
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 me |
English PDF |
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