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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 11066.5-2008 |
Methods for chemical Analysis of gold - Determination of silver,copper,iron,lead,antimony and bismuth contents - Atomic emission spectrometry 金化学分析方法 银、铜、铁、铅、锑和铋量的测定 原子发射光谱法 |
China National Standards Analysis |
 English PDF |
| GB/T 11066.4-2008 |
Methods for chemical Analysis of gold - Determination of copper, lead and bismuth contents - Flame atomic absorption spectrometry 金化学分析方法 铜、铅和铋量的测定 火焰原子吸收光谱法 |
China National Standards Analysis |
English PDF |
| GB/T 11066.3-2008 |
Methods for chemical Analysis of gold - Determination of iron content - Flame atomic absorption spectrometry 金化学分析方法 铁量的测定 火焰原子吸收光谱法 |
China National Standards Analysis |
English PDF |
| GB/T 11066.2-2008 |
Methods for chemical Analysis of gold - Determination of silver content - Flame atomic absorption spectrometry 金化学分析方法 银量的测定 火焰原子吸收光谱法 |
China National Standards Analysis |
English PDF |
| GB/T 11066.1-2008 |
Methods for chemical Analysis of gold - Determination of gold content - Fire assaying method 金化学分析方法 金量的测定 火试金法 |
China National Standards Analysis |
English PDF |
| GB/T 21988-2008 |
Plastics-Vinyl chloride homopolymer and copolymer resins-Sieve Analysis in water 塑料 氯乙烯均聚和共聚树脂 水中筛分析 |
China National Standards Analysis |
English PDF |
| GB/T 15337-2008 |
General rules for atomic absorption spectrometric Analysis 原子吸收光谱分析法通则 |
China National Standards Analysis |
English PDF |
| GB/T 9258.2-2008 |
Coated abrasives - Grain size Analysis - Part 2: Determination of grain size distribution of macrogrits P12 to P220 涂附磨具用磨料 粒度分析 第2部分：粗磨粒P12～P220粒度组成的测定 |
China National Standards Analysis |
English PDF |
| GB/T 6425-2008 |
Nomenclature for thermal Analysis 热分析术语 |
China National Standards Analysis |
English PDF |
| GB/T 14850-2008 |
Gas Analysis - Vocabulary 气体分析词汇 |
China National Standards Analysis |
English PDF |
| GB/T 10628-2008 |
Gas Analysis - Comparison methods for determining and checking the composition of calibration gas mixtures 气体分析 校准混合气组成的测定和校验 比较法 |
China National Standards Analysis |
English PDF |
| 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 Analysis |
English PDF |
| 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 Analysis |
English PDF |
| 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 Analysis |
English PDF |
| GB/T 21865-2008 |
Standard test methods for determining average grain size using semiautomatic and automatic image Analysis 用半自动和自动图象分析法测量平均粒度的标准测试方法 |
China National Standards Analysis |
English PDF |
| 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 Analysis |
English PDF |
| GB/T 6901-2008 |
Chemical Analysis of silica refractories 硅质耐火材料化学分析方法 |
China National Standards Analysis |
English PDF |
| GB/T 21650.2-2008 |
Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Part 2: Analysis of mesopores and macropores by gas adsorption 压汞法和气体吸附法测定固体材料孔径分布和孔隙度 第2部分：气体吸附法分析介孔和大孔 |
China National Standards Analysis |
English PDF |
| GB/T 21649.1-2008 |
Particle size Analysis - Image analysis methods - Part 1: Static image analysis method 粒度分析 图像分析法 第1部分：静态图像分析法 |
China National Standards Analysis |
English PDF |
| GB/T 19077.1-2008 |
Particle size Analysis - Laser diffraction methods - Part 1: General principles 粒度分析 激光衍射法 第1部分：通则 |
China National Standards Analysis |
English PDF |
| GB/T 21658-2008 |
Guideline for pest risk Analysis of import and export plant and plant product 进出境植物和植物产品有害生物风险分析工作指南 |
China National Standards Analysis |
English PDF |
| GB/T 4930-2008 |
Microbeam Analysis - Electron probe microanalysis - Guidelines for the specification of certified reference materials (CRMs) 微束分析 电子探针分析 标准样品技术条件导则 |
China National Standards Analysis |
English PDF |
| GB/T 21636-2008 |
Microbeam Analysis - Electron Probe Micro Analysis (EPMA) - Vocabulary 微束分析 电子探针显微分析 (EPMA) 术语 |
China National Standards Analysis |
English PDF |
| GB/T 9290-2008 |
Surface active agents - Technical ethoxylated fatty amines - Method of Analysis 表面活性剂 工业乙氧基化脂肪胺 分析方法 |
China National Standards Analysis |
English PDF |
| GB/T 6913-2008 |
Analysis of water used in boiler and cooling system - Determination of phosphorus 锅炉用水和冷却水分析方法 磷酸盐的测定 |
China National Standards Analysis |
English PDF |
| GB/T 6912-2008 |
Analysis of water used in boiler and cooling system - Determination of nitrite 锅炉用水和冷却水分析方法 亚硝酸盐的测定 |
China National Standards Analysis |
English PDF |
| GB/T 6909-2008 |
Analysis of water used in boiler and cooling system - Determination of hardness 锅炉用水和冷却水分析方法 硬度的测定 |
China National Standards Analysis |
English PDF |
| GB/T 6908-2008 |
Analysis of water used in boil and cooling system-Determination of electrical conductivity 锅炉用水和冷却水分析方法 电导率的测定 |
China National Standards Analysis |
English PDF |
| GB/T 14427-2008 |
Analysis of water used in boiler and cooling system - Determination of iron 锅炉用水和冷却水分析方法 铁的测定 |
China National Standards Analysis |
English PDF |
| GB/T 14422-2008 |
Analysis of water used in boiler and cooling system - Determination of benzotriazole 锅炉用水和冷却水分析方法 苯骈三氮唑的测定 |
China National Standards Analysis |
English PDF |
| GB/T 12154-2008 |
Analysis of water used in boiler and cooling system - Determination of total aluminium 锅炉用水和冷却水分析方法 全铝的测定 |
China National Standards Analysis |
English PDF |
| GB/T 10656-2008 |
Analysis of water used in boiler and cooling system - Determination of zinc - Zincon spectrophotometry 锅炉用水和冷却水分析方法 锌离子的测定 锌试剂分光光度法 |
China National Standards Analysis |
English PDF |
| GB/T 6150.6-2008 |
Methods for chemical Analysis of tungsten concentrates - Determination hygroscopic moisture content - Gravimetric method 钨精矿化学分析方法 湿存水量的测定 重量法 |
China National Standards Analysis |
English PDF |
| GB/T 6150.5-2008 |
Methods for chemical Analysis of tungsten concentrates - Determination of calcium content - EDTA volumetric method and flame atomic absorption spectrometric method 钨精矿化学分析方法 钙量的测定 EDTA容量法和火焰原子吸收光谱法 |
China National Standards Analysis |
English PDF |
| GB/T 6150.4-2008 |
Methods for chemical Analysis of tungsten concentrates - Determination of sulfur content - The high frequency-infrared absorption method 钨精矿化学分析方法 硫量的测定 高频红外吸收法 |
China National Standards Analysis |
English PDF |
| GB/T 6150.15-2008 |
Methods for chemical Analysis of tungsten concentrates - Determination of bismuth content - Flame atomic absorption spectrometric method 钨精矿化学分析方法 铋量的测定 火焰原子吸收光谱法 |
China National Standards Analysis |
English PDF |
| GB/T 6150.14-2008 |
Methods for chemical Analysis of tungsten concentrates - Determination of manganese content - The ammonium ferrous sulfate volumetric method and flame atomic absorption spectrometric method 钨精矿化学分析方法 锰量的测定 硫酸亚铁铵容量法和火焰原子吸收光谱法 |
China National Standards Analysis |
English PDF |
| GB/T 6150.1-2008 |
Methods for chemical Analysis of tungsten concentrates - Determination of tungsten trioxide content - The ammonium tungstate igniting gravimetric method 钨精矿化学分析方法 三氧化钨量的测定 钨酸铵灼烧重量法 |
China National Standards Analysis |
English PDF |
| GB/T 6150.11-2008 |
Methods for chemical Analysis of tungsten concentrates - Determination of zinc content - Flame atomic absorption spectrometric method 钨精矿化学分析方法 锌量的测定 火焰原子吸收光谱法 |
China National Standards Analysis |
English PDF |
| GB/T 6150.10-2008 |
Methods for chemical Analysis of tungsten concentrates - Determination of lead content - Flame atomic absorption spectrometric method 钨精矿化学分析方法 铅量的测定 火焰原子吸收光谱法 |
China National Standards Analysis |
English PDF |
| GB/T 5124.2-2008 |
Methods for chemical Analysis of hardmetals - Determination of insoluble (free) carbon content - Gravimetric method 硬质合金化学分析方法 不溶（游离）碳量的测定 重量法 |
China National Standards Analysis |
English PDF |
| GB/T 5124.1-2008 |
Methods for chemical Analysis of hardmetals - Determination of total carbon content - Gravimetric method 硬质合金化学分析方法 总碳量的测定 重量法 |
China National Standards Analysis |
English PDF |
| GB/T 3253.6-2008 |
Methods for chemical Analysis of antimony and antimony trioxide - Determination of selenium content - Atomic fluorescence spectrometer method 锑及三氧化二锑化学分析方法 硒量的测定 原子荧光光谱法 |
China National Standards Analysis |
English PDF |
| GB/T 3253.5-2008 |
Methods for chemical Analysis of antimony and antimony trioxide - Determination of copper content - Flame atomic absorption spectrometric method 锑及三氧化二锑化学分析方法 铜量的测定 火焰原子吸收光谱法 |
China National Standards Analysis |
English PDF |
| GB/T 3253.3-2008 |
Methods for chemical Analysis of antimony and antimony trioxide - Determination of lead content - Flame atomic absorption spectrometric method 锑及三氧化二锑化学分析方法 铅量的测定 火焰原子吸收光谱法 |
China National Standards Analysis |
English PDF |
| GB/T 3253.2-2008 |
Methods for chemical Analysis of antimony and antimony trioxide - Determination of iron content - Orthophenanthroline spectrophotometric method 锑及三氧化二锑化学分析方法 铁量的测定 邻二氮杂菲分光光度法 |
China National Standards Analysis |
English PDF |
| GB/T 3253.1-2008 |
Methods for chemical Analysis of antimony and antimony trioxide - Determination of arsenic content - Arsenic molybdenum blue spectrophotometric method 锑及三氧化二锑化学分析方法 砷量的测定 砷钼蓝分光光度法 |
China National Standards Analysis |
English PDF |
| GB/T 20975.9-2008 |
Methods for chemical Analysis of aluminium and aluminium alloys - Part 9：Determination of lithium content Flame atomic absorption spectrometric method 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 Analysis |
English PDF |
| GB/T 20975.8-2008 |
Methods for chemical Analysis of aluminium and aluminium alloys - Part 8：Determination of zinc content 铝及铝合金化学分析方法 第8部分：锌含量的测定 |
China National Standards Analysis |
English PDF |
| GB/T 20975.7-2008 |
Methods for chemical Analysis of aluminium and aluminium alloys - Part 7：Determination of manganese content Potassium periodate spectrophotometric method 铝及铝合金化学分析方法 第7部分: 锰含量的测定 高碘酸钾分光光度法 |
China National Standards Analysis |
English PDF |
| GB/T 20975.6-2008 |
Methods for chemical Analysis of aluminium and aluminium alloys - Part 6：Determination of cadmium content Flame atomic absorption spectrometric method 铝及铝合金化学分析方法 第6部分：镉含量的测定 火焰原子吸收光谱法 |
China National Standards Analysis |
English PDF |
| GB/T 20975.5-2008 |
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 Analysis |
English PDF |
| GB/T 20975.4-2008 |
Methods for chemical Analysis of aluminium and aluminium alloys - Part 4：Determination of iron content Orthopenanthroline photometric method 铝及铝合金化学分析方法 第4部分：铁含量的测定 邻二氮杂菲分光光度法 |
China National Standards Analysis |
English PDF |
| GB/T 20975.3-2008 |
Methods for chemical Analysis of aluminium and aluminium alloys - Part 3：Determination of copper content 铝及铝合金化学分析方法 第3部分: 铜含量的测定 |
China National Standards Analysis |
English PDF |
| GB/T 20975.24-2008 |
Methods for chemical Analysis of aluminium and aluminium alloys - Part 24：Determination of total rare earth contents 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 Analysis |
English PDF |
| GB/T 20975.23-2008 |
Methods for chemical Analysis of aluminium and aluminium alloys - Part 23：Determination of antimony content Potassium iodide spectrophotometric method 铝及铝合金化学分析方法 第23部分：锑含量的测定 碘化钾分光光度法 |
China National Standards Analysis |
English PDF |
| GB/T 20975.22-2008 |
Methods for chemical Analysis of aluminium and aluminium alloys - Part 22：Determination of beryllium content SCR spectrophotometric method 铝及铝合金化学分析方法 第22部分：铍含量的测定 依莱铬氰兰R分光光度法 |
China National Standards Analysis |
English PDF |
| GB/T 20975.21-2008 |
Methods for chemical Analysis of aluminium and aluminium alloys - Part 21：Determination of calcium content Flame atomic absorption spectrometric method 铝及铝合金化学分析方法 第21部分：钙含量的测定 火焰原子吸收光谱法 |
China National Standards Analysis |
English PDF |
| GB/T 20975.20-2008 |
Methods for chemical Analysis of aluminium and aluminium alloys - Part 20：Determination of gallium content Butyrhodamine B spectrophotometric method 铝及铝合金化学分析方法 第20部分：镓含量的测定 丁基罗丹明B分光光度法 |
China National Standards Analysis |
English PDF |
| GB/T 20975.19-2008 |
Methods for chemical Analysis of aluminium and aluminium alloys - Part 19：Determination of zirconium content 铝及铝合金化学分析方法 第19部分：锆含量的测定 |
China National Standards Analysis |
English PDF |
| GB/T 20975.18-2008 |
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 Analysis |
English PDF |
| GB/T 20975.17-2008 |
Methods for chemical Analysis of aluminium and aluminium alloys - Part 17： Determination of strontium content Flame atomic absorption spectrometric method 铝及铝合金化学分析方法 第17部分：锶含量的测定 火焰原子吸收光谱法 |
China National Standards Analysis |
English PDF |
| GB/T 20975.16-2008 |
Methods for chemical Analysis of aluminium and aluminium alloys - Part 16：Determination of magnesium 铝及铝合金化学分析方法 第16部分：镁含量的测定 |
China National Standards Analysis |
English PDF |
| GB/T 20975.15-2008 |
Methods for chemical Analysis of aluminium and aluminium alloys - Part 15：Determination of boron content 铝及铝合金化学分析方法 第15部分：硼含量的测定 |
China National Standards Analysis |
English PDF |
| GB/T 20975.14-2008 |
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 Analysis |
English PDF |
| GB/T 20975.13-2008 |
Methods for chemical Analysis of aluminium and aluminium alloys - Part 13：Determination of vanadium content N-benzoyl-Nphenylhydroxylamine spectrophotometric method 铝及铝合金化学分析方法 第13部分: 钒含量的测定 苯甲酰苯胲分光光度法 |
China National Standards Analysis |
English PDF |
| GB/T 20975.12-2008 |
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 Analysis |
English PDF |
| GB/T 20975.11-2008 |
Methods for chemical Analysis of aluminium and aluminium alloys - Part 11：Determination of lead content Flame atomic absorption spectrometric method 铝及铝合金化学分析方法 第11部分：铅含量的测定 火焰原子吸收光谱法 |
China National Standards Analysis |
English PDF |
| GB/T 20975.10-2008 |
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 Analysis |
English PDF |
| GB/T 18116.2-2008 |
Chemical Analysis methods of Yttrium-europium oxides - Determination of europium oxides 氧化钇铕化学分析方法 氧化铕量的测定 |
China National Standards Analysis |
English PDF |
| GB/T 15076.9-2008 |
Methods for chemical Analysis of tantalum and niobium - Determination of iron, chromium, nickel, manganese, titanium, aluminum, copper, tin, lead and zirconium contents in tantalum 钽铌化学分析方法 钽中铁、铬、镍、锰、钛、铝、铜、锡、铅和锆量的测定 |
China National Standards Analysis |
English PDF |
| GB/T 15076.8-2008 |
Methods for chemical Analysis of tantalum and niobium - Determination of carbon and sulphur contents 钽铌化学分析方法 碳量和硫量的测定 |
China National Standards Analysis |
English PDF |
| GB/T 15076.16-2008 |
Methods for chemical Analysis of tantalum and niobium - Determination of sodium and potassium contents 钽铌化学分析方法 钠量和钾量的测定 |
China National Standards Analysis |
English PDF |
| GB/T 15076.15-2008 |
Methods for chemical Analysis of tantalum and niobium - Determination of hydrogen content 钽铌化学分析方法 氢量的测定 |
China National Standards Analysis |
English PDF |
| GB/T 15076.14-2008 |
Methods for chemical Analysis of tantalum and niobium - Determination of oxygen content 钽铌化学分析方法 氧量的测定 |
China National Standards Analysis |
English PDF |
| GB/T 15076.12-2008 |
Methods for chemical Analysis of tantalum and niobium - Determination of phosphorus content in tantalum 钽铌化学分析方法 钽中磷量的测定 |
China National Standards Analysis |
English PDF |
| GB/T 21393-2008 |
The methods of statistics and Analysis for energy consumption of highway transportation 公路运输能源消耗统计及分析方法 |
China National Standards Analysis |
English PDF |
| GB/T 21392-2008 |
The methods of statistics and Analysis of energy consumption in shipping transportation 船舶运输能源消耗统计及分析方法 |
China National Standards Analysis |
English PDF |
| GB/T 205-2008 |
Methods for chemical Analysis of aluminate cement 铝酸盐水泥化学分析方法 |
China National Standards Analysis |
English PDF |
| GB/T 3715-2007 |
Terms relating to properties and Analysis of coal 煤质及煤分析有关术语 |
China National Standards Analysis |
English PDF |
| GB/T 1574-2007 |
Test method for Analysis of coal ash 煤灰成分分析方法 |
China National Standards Analysis |
English PDF |
| GB/T 21172-2007 |
Sensory Analysis - General guidance and test method for assessment of the colour of foods 感官分析 食品颜色评价的总则和检验方法 |
China National Standards Analysis |
English PDF |
| GB/T 21313-2007 |
Analysis of β-agonists in foods of animal origin by high performance liquid chromatography tandem mass spectrometry 动物源性食品中β-受体激动剂残留检测方法 液相色谱-质谱/质谱法 |
China National Standards Analysis |
English PDF |
| GB/T 21312-2007 |
Analysis of fourteen quinolones in food of animal origin by high performance liquid chromatography tandem mass spectrometry 动物源性食品中14种喹诺酮药物残留检测方法 液相色谱-质谱/质谱法 |
China National Standards Analysis |
English PDF |
| GB/T 14849.3-2007 |
Methods for chemical Analysis of silicon metal - Part 3：Determination of calcium content 工业硅化学分析方法 第3部分：钙含量的测定 |
China National Standards Analysis |
English PDF |
| GB/T 14849.2-2007 |
Methods for chemical Analysis of silicon metal - Part 2：Determination of aluminum content - Chrome azurol S spectrophotometric method 工业硅化学分析方法 第2部分：铝含量的测定 铬天青-S分光光度法 |
China National Standards Analysis |
English PDF |
| GB/T 14849.1-2007 |
Methods for chemical Analysis of silicon metal - Part 1： Determination of iron content - 1,10-phenanthrolion spectrophotometric method 工业硅化学分析方法 第1部分：铁含量的测定 1，10一二氮杂菲分光光度法 |
China National Standards Analysis |
English PDF |
| GB 17378.6-2007 |
The specification for marine monitoring - Part 6：Organism Analysis 海洋监测规范 第6部分: 生物体分析 |
China National Standards Analysis |
English PDF |
| GB 17378.5-2007 |
The specification for marine monitoring - Part 5：Sediment Analysis 海洋监测规范 第5部分: 沉积物分析 |
China National Standards Analysis |
English PDF |
| GB 17378.4-2007 |
The specification for marine monitoring - Part 4：Seawater Analysis 海洋监测规范 第4部分: 海水分析 |
China National Standards Analysis |
English PDF |
| GB 17378.2-2007 |
The specification for marine monitoring - Part 2：Data processing and quality control of Analysis 海洋监测规范 第2部分: 数据处理与分析质量控制 |
China National Standards Analysis |
English PDF |
| GB/T 9723-2007 |
Chemical Reagent - General rule for flame atomic absorption spectrometric Analysis 化学试剂 火焰原子吸收光谱法通则 |
China National Standards Analysis |
English PDF |
| GB/T 21114-2007 |
Chemical Analysis of refractory products by XRF - Fused cast bead method 耐火材料 X射线荧光光谱化学分析 - 熔铸玻璃片法 |
China National Standards Analysis |
English PDF |
| GB/T 2916-2007 |
Plastic - Vinyl chloride homopolymer and copolymer resins - Sieve Analysis using air-jet sieve apparatus 塑料 氯乙烯均聚和共聚树脂 用空气喷射筛装置的筛分析 |
China National Standards Analysis |
English PDF |
| GB/T 21007-2007 |
Surface chemical Analysis - Information formats 表面化学分析 信息格式 |
China National Standards Analysis |
English PDF |
| GB/T 21006-2007 |
Surface chemical Analysis - X-ray photoelectron and Auger electron spectrometers - Linearity of intensity scale 表面化学分析 X射线光电子能谱仪和俄歇电子能谱仪 强度标的线性 |
China National Standards Analysis |
English PDF |
| GB/T 18294.4-2007 |
Technical identification method for fire - Part 4: High performance liquid chromatography Analysis 火灾技术鉴定方法 第4部分：高效液相色谱法 |
China National Standards Analysis |
English PDF |
| GB/T 3044-2007 |
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 Analysis |
English PDF |
| GB/T 3620.2-2007 |
Titanium and titanium alloys-permissible variations of chemical composition for wrought product Analysis 钛及钛合金加工产品化学成分允许偏差 |
China National Standards Analysis |
English PDF |
| GB/T 20975.2-2007 |
Chemical Analysis methods of aluminium and aluminium alloys - Part 2：Determination of arsenic content molybdenum blue spectrophotometric method 铝及铝合金化学分析方法 第2部分：砷含量的测定 钼蓝分光光度法 |
China National Standards Analysis |
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