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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 3651-2008 |
Measuring method for thermal conductivity of Metal at high temperature 金属高温导热系数测量方法 |
China National Standards Meta |
 English PDF |
| GB/T 3500-2008 |
Powder Metallurgy - Vocabulary 粉末冶金 术语 |
China National Standards Meta |
English PDF |
| GB/T 20255.6-2008 |
Methods for chemical analysis of hardMetals - Flame atomic absorption spectrometry - General requirements 硬质合金化学分析方法 火焰原子吸收光谱法 一般要求 |
China National Standards Meta |
English PDF |
| GB/T 21954.2-2008 |
Metal cutting band saw blades - Part 2：Characteristics and dimensions 金属切割带锯条 第2部分：特性和尺寸 |
China National Standards Meta |
English PDF |
| GB/T 21954.1-2008 |
Metal cutting band saw blades - Part 1：Terms 金属切割带锯条 第1部分：术语 |
China National Standards Meta |
English PDF |
| GB/T 16770.2-2008 |
Solid hardMetal end mills with parallel shank - Part 2: Technical specifications 整体硬质合金直柄立铣刀 第2部分：技术条件 |
China National Standards Meta |
English PDF |
| GB/T 16770.1-2008 |
Solid hardMetal end mills with parallel shank - Part 1: Dimensions 整体硬质合金直柄立铣刀 第1部分：型式与尺寸 |
China National Standards Meta |
English PDF |
| GB/T 16456.4-2008 |
End mills with brazed helical hardMetal tips - Part 4：Technical specifications 硬质合金螺旋齿立铣刀 第4部分：技术条件 |
China National Standards Meta |
English PDF |
| GB/T 16456.3-2008 |
End mills with brazed helical hardMetal tips - Part 3: Dimensions of end mills with morse typer shank 硬质合金螺旋齿立铣刀 第3部分：莫氏锥柄立铣刀 型式和尺寸 |
China National Standards Meta |
English PDF |
| GB/T 16456.1-2008 |
End mills with brazed helical hardMetal tips - Part l: Dimensions of end mills with parallel shank 硬质合金螺旋齿立铣刀 第1部分：直柄立铣刀 型式和尺寸 |
China National Standards Meta |
English PDF |
| GB/T 14165-2008 |
Corrosion of Metals and alloys - Atmospheric corrosion testing - General requirements for field tests 金属和合金 大气腐蚀试验 现场试验的一般要求 |
China National Standards Meta |
English PDF |
| GB/T 15610-2008 |
Method for visual appraisal of Metamerism 同色异谱的目视评价方法 |
China National Standards Meta |
English PDF |
| GB/T 13813-2008 |
Testing method and judging rule of safety to friction spark of Metallic material for coal mine 煤矿用金属材料摩擦火花安全性试验方法和判定规则 |
China National Standards Meta |
English PDF |
| GB/T 9735-2008 |
Chemical reagent - General method for the determination of heavy Metals 化学试剂 重金属测定通用方法 |
China National Standards Meta |
English PDF |
| 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 Meta |
English PDF |
| 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 Meta |
English PDF |
| 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 Meta |
English PDF |
| 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 Meta |
English PDF |
| 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 Meta |
English PDF |
| 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 Meta |
English PDF |
| 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 Meta |
English PDF |
| 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 Meta |
English PDF |
| 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 Meta |
English PDF |
| 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 Meta |
English PDF |
| GB/T 3211-2008 |
Metal Chrome 金属铬 |
China National Standards Meta |
English PDF |
| GB/T 245-2008 |
Metallic materials-Tube - Flanging test 金属管 卷边试验方法 |
China National Standards Meta |
English PDF |
| GB/T 244-2008 |
Metallic materials-Tube - Bend test 金属管 弯曲试验方法 |
China National Standards Meta |
English PDF |
| 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 Meta |
English PDF |
| 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 Meta |
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 Meta |
English PDF |
| 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 Meta |
English PDF |
| GB/T 10623-2008 |
Metallic material - Mechanical testing - Vocabulary 金属材料 力学性能试验术语 |
China National Standards Meta |
English PDF |
| GB/T 21779-2008 |
Test method for particle size distribution of Metal powders and related compounds by light scattering 金属粉末和相关化合物粒度分布的光散射试验方法 |
China National Standards Meta |
English PDF |
| GB/T 11364-2008 |
Test method of wettability for brazing filler Metals 钎料润湿性试验方法 |
China National Standards Meta |
English PDF |
| GB/T 10046-2008 |
Silver brazing filler Metals 银钎料 |
China National Standards Meta |
English PDF |
| GB/T 5950-2008 |
Method for measurement of whiteness of building materials and non-Metal mineral products 建筑材料与非金属矿产品白度测量方法 |
China National Standards Meta |
English PDF |
| GB/T 18661-2008 |
Metal-halide lamps (ScI3-NaI series) 金属卤化物灯（钪钠系列） |
China National Standards Meta |
English PDF |
| GB/T 13397-2008 |
Technical specification for silver-Metaloxide electrical contacts by alloy internal oxidation method 合金内氧化法银金属氧化物电触头技术条件 |
China National Standards Meta |
English PDF |
| GB/T 7532-2008 |
Determination of heavy Metals in organic chemical products - Visual colorimetry 有机化工产品中重金属的测定 目视比色法 |
China National Standards Meta |
English PDF |
| GB/T 15248-2008 |
The test method for axial loading constant-amplitude low-cycle fatigue of Metallic materials 金属材料轴向等幅低循环疲劳试验方法 |
China National Standards Meta |
English PDF |
| GB/T 21538-2008 |
Rubber roller for Metal foil-purpose coating 金属薄板用涂覆胶辊 |
China National Standards Meta |
English PDF |
| GB/T 21621-2008 |
Dangerous goods - Test method for corrosion to Metals of corrosive substance 危险品 金属腐蚀性试验方法 |
China National Standards Meta |
English PDF |
| GB/T 21526-2008 |
Structural adhesives - Guidelines for the surface preparation of Metals and plastics prior to adhesive bonding 结构胶粘剂 粘接前金属和塑料表面处理导则 |
China National Standards Meta |
English PDF |
| GB/T 18838.4-2008 |
Preparation of steel substrates before application of paints and related products-Specifications for Metallic blast-cleaning abrasives - Part 4:Low-carbon cast-steel shot 涂覆涂料前钢材表面处理 喷射清理用金属磨料的技术要求 第4部分: 低碳铸钢丸 |
China National Standards Meta |
English PDF |
| GB/T 18838.3-2008 |
Preparation of steel substrates before application of paints and related products-Specifications for Metallic blast-cleaning abrasives - Part 3: High-carbon cast-steel shot and grit 涂覆涂料前钢材表面处理 喷射清理用金属磨料的技术要求 第3部分: 高碳铸钢丸和砂 |
China National Standards Meta |
English PDF |
| GB/T 985.1-2008 |
Recommended joint preparation for gas welding, manual Metal arc welding, gas-shield arc welding and beam welding 气焊、焊条电弧焊、气体保护焊和高能束焊的推荐坡口 |
China National Standards Meta |
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 Meta |
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 Meta |
English PDF |
| GB/T 4153-2008 |
Misch Metal 混合稀土金属 |
China National Standards Meta |
English PDF |
| GB/T 2968-2008 |
Samarium Metal 金属钐 |
China National Standards Meta |
English PDF |
| GB/T 2652-2008 |
Tensile test methods on weld and deposited Metal 焊缝及熔敷金属拉伸试验方法 |
China National Standards Meta |
English PDF |
| GB/T 19198-2008 |
Testing method for thermo-electromotive force of precious Metals and their alloys pair up with platinum or copper 贵金属及其合金对铂、对铜热电动势的测量方法 |
China National Standards Meta |
English PDF |
| GB/T 17684-2008 |
Terminology for precious Metals and their alloys 贵金属及其合金术语 |
China National Standards Meta |
English PDF |
| GB/T 17473.7-2008 |
Test methods of precious Metals pastes used for microelectronics - Determination of solderability and solderelaching resistance 微电子技术用贵金属浆料测试方法 可焊性、耐焊性测定 |
China National Standards Meta |
English PDF |
| GB/T 17473.6-2008 |
Test methods of precious Metal pastes used for microelectronics - Determination of resolution 微电子技术用贵金属浆料测试方法 分辨率测定 |
China National Standards Meta |
English PDF |
| GB/T 17473.4-2008 |
Test methods of precious Metals pastes used for microelectronics - Determination of adhesion 微电子技术用贵金属浆料测试方法 附着力测定 |
China National Standards Meta |
English PDF |
| GB/T 17473.3-2008 |
Test methods of precious Metals pastes used for microelectronics Determination of sheet resistance 微电子技术用贵金属浆料测试方法 方阻测定 |
China National Standards Meta |
English PDF |
| GB/T 17473.2-2008 |
Test methods of presious Metals pastes used for microelectronics - Determination of fineness 微电子技术用贵金属浆料测试方法 细度测定 |
China National Standards Meta |
English PDF |
| GB/T 17473.1-2008 |
Test methods of precious Metals pastes used for microelectronics-Determination of solids content 微电子技术用贵金属浆料测试方法 固体含量测定 |
China National Standards Meta |
English PDF |
| GB/T 17472-2008 |
Specification for pastes of precious Metal used for microelectronics 微电子技术用贵金属浆料规范 |
China National Standards Meta |
English PDF |
| GB/T 15159-2008 |
Composite material strips of precious Metals and their alloys 贵金属及其合金复合带材 |
China National Standards Meta |
English PDF |
| GB/T 15078-2008 |
Testing method for contact resistance of precious Metals electrical contact materials 贵金属电触点材料接触电阻的测量方法 |
China National Standards Meta |
English PDF |
| GB/T 15077-2008 |
Geometric size measuring methods of precious Metals and their alloy materials 贵金属及其合金材料几何尺寸测量方法 |
China National Standards Meta |
English PDF |
| GB/T 15072.9-2008 |
Test method of precious Metal alloys - Determination of indium content for gold alloys - Complexometric return titration using EDTA 贵金属合金化学分析方法 金合金中铟量的测定 EDTA络合返滴定法 |
China National Standards Meta |
English PDF |
| GB/T 15072.8-2008 |
Test method of precious Metal alloys - Determination of copper content for gold, palladium and silver alloys - Complexometric return titration using thiourea releasing EDTA 贵金属合金化学分析方法 金、钯、银合金中铜量的测定 硫脲析出EDTA络合返滴定法 |
China National Standards Meta |
English PDF |
| GB/T 15072.7-2008 |
Test methods of precious Metal alloys - Determination of chromium and iron contents for gold alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 金合金中铬和铁量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Meta |
English PDF |
| GB/T 15072.6-2008 |
Test method of precious Metal alloys - Determination of iridium contents for platinum, palladium alloys - Electricity titration with ferrous sulfate 贵金属合金化学分析方法 铂、钯合金中铱量的测定 硫酸亚铁电流滴定法 |
China National Standards Meta |
English PDF |
| GB/T 15072.5-2008 |
Test method of precious Metal alloys － Determination of silver content for gold and palladium alloys － Potentionmeter titration with potassium iodide 贵金属合金化学分析方法 金、钯合金中银量的测定 碘化钾电位滴定法 |
China National Standards Meta |
English PDF |
| GB/T 15072.4-2008 |
Test method of precious Metal alloys - Determination of palladium content for palladium and silver alloys - Butanedione dioxime gravimetry 贵金属合金化学分析方法 钯、银合金中钯量的测定 二甲基乙二醛肟重量法 |
China National Standards Meta |
English PDF |
| GB/T 15072.3-2008 |
Test method of precious Metal alloys - Determination of platinum content for gold, platinum and palladium alloys - Electricity titration using potassium permanganate 贵金属合金化学分析方法 金、铂、钯合金中铂量的测定 高锰酸钾电流滴定法 |
China National Standards Meta |
English PDF |
| GB/T 15072.2-2008 |
Test method of precious Metal alloys - Determination of silver contents for silver alloys - Potentionmeter titration with sodium chloride 贵金属合金化学分析方法 银合金中银量的测定 氯化钠电位滴定法 |
China National Standards Meta |
English PDF |
| GB/T 15072.19-2008 |
Test method of precious Metal alloys - Determination of vanadium and magnesium contents for silver alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 银合金中钒和镁量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Meta |
English PDF |
| GB/T 15072.18-2008 |
Test method of precious Metal alloys - Determination of zirconium and gadolinium contents for gold alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 金合金中锆和镓量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Meta |
English PDF |
| GB/T 15072.17-2008 |
Test method of precious Metal alloys - Determination of tungsten contents for platinum alloys - Tungstic acid gravimetry 贵金属合金化学分析方法 铂合金中钨量的测定 三氧化钨重量法 |
China National Standards Meta |
English PDF |
| GB/T 15072.16-2008 |
Test method of precious Metal alloys - Determination of copper and manganese contents for gold alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 金合金中铜和锰量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Meta |
English PDF |
| GB/T 15072.15-2008 |
Test method of precious Metal alloys - Determination of nickel, zinc and manganese contents for gold, silver and palladium alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 金、银、钯合金中镍、锌和锰量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Meta |
English PDF |
| GB/T 15072.14-2008 |
Test method of precious Metal alloys - Determination of aluminium and nickel contents for silver alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 银合金中铝和镍量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Meta |
English PDF |
| GB/T 15072.13-2008 |
Test method of precious Metal alloys - Determination of tin , cerium and lanthanium contents for silver alloys - Inductively coupled clasma atomic emission spectrometry 贵金属合金化学分析方法 银合金中锡、铈和镧量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Meta |
English PDF |
| GB/T 15072.12-2008 |
Test method of precious Metal alloys - Determination of nickel contents for silver alloys - Hydrogen peroxide spectrophotometry 贵金属合金化学分析方法 银合金中钒量的测定 过氧化氢分光光度法 |
China National Standards Meta |
English PDF |
| GB/T 15072.11-2008 |
Test method of precious Metal alloys - Determination of gadolinium and beryllium contents for gold alloys - Inductively coupled plasma atomic emission spectrometry 贵金属合金化学分析方法 金合金中钆和铍量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Meta |
English PDF |
| GB/T 15072.10-2008 |
Test method of precious Metal alloys - Determination of nickel content for gold alloys - Complexometric backing titration using EDTA 贵金属合金化学分析方法 金合金中镍量的测定 EDTA络合返滴定法 |
China National Standards Meta |
English PDF |
| GB/T 15071-2008 |
Dysprosium Metal 金属镝 |
China National Standards Meta |
English PDF |
| GB/T 13390-2008 |
Metallic powder-Determination of the specific surface area - Method of nitrogen adsorption 金属粉末比表面积的测定 氮吸附法 |
China National Standards Meta |
English PDF |
| GB/T 17727-2008 |
NonMetal material gaskets for marine flange 船用法兰非金属垫片 |
China National Standards Meta |
English PDF |
| GB/T 21385-2008 |
Metal-seated ball valve 金属密封球阀 |
China National Standards Meta |
English PDF |
| GB/T 12778-2008 |
Determination of charpy impact fracture surface for Metallic materials 金属夏比冲击断口测定方法 |
China National Standards Meta |
English PDF |
| GB/T 21365-2008 |
Information technology - Learning, education and training - Learning object Metadata 信息技术 学习、教育和培训 学习对象元数据 |
China National Standards Meta |
English PDF |
| GB/T 17593.2-2007 |
Textiles - Determination of heavy Metals - Part 2: Inductively coupled plasma atomic emission spectrometry 纺织品 重金属的测定 第2部分: 电感耦合等离子体原子发射光谱法 |
China National Standards Meta |
English PDF |
| GB/T 21220-2007 |
Soft magnetic Metallic materials 软磁金属材料 |
China National Standards Meta |
English PDF |
| GB/T 3048.2-2007 |
Test methods for electrical properties of electric cables and wires - Part 2：Test of electrical resistivity of Metallic materials 电线电缆电性能试验方法 第2部分：金属材料电阻率试验 |
China National Standards Meta |
English PDF |
| GB/T 229-2007 |
Metallic materials - Charpy pendulum impact test method 金属材料 夏比摆锤冲击试验方法 |
China National Standards Meta |
English PDF |
| GB/T 2078-2007 |
Indexable hardMetal(carbide) insers with rounded corners, with cylindrical fixing hole - Dimensions 带圆角圆孔固定的硬质合金可转位刀片尺寸 |
China National Standards Meta |
English PDF |
| GB/T 12443-2007 |
Metallic materials - Torsional stress fatigue testing method 金属材料 扭应力疲劳试验方法 |
China National Standards Meta |
English PDF |
| GB/T 10128-2007 |
Metallic materials - Torsion test at ambient temperature 金属材料 室温扭转试验方法 |
China National Standards Meta |
English PDF |
| GB/T 21198.6-2007 |
Determination of precious Metals in precious metals jewellery alloys - Method using ICP spectrometry - Part 6：Difference method 贵金属合金首饰中贵金属含量的测定 ICP光谱法 第6部分：差减法 |
China National Standards Meta |
English PDF |
| GB/T 21198.5-2007 |
Determination of precious Metals in precious metals jewellery alloys - Method using ICP spectrometry - Part 5：999‰ silver jewellery alloys - Determination of silver - Difference method 贵金属合金首饰中贵金属含量的测定 ICP光谱法 第5部分：999‰银合金首饰 银含量的测定 差减法 |
China National Standards Meta |
English PDF |
| GB/T 21198.4-2007 |
Determination of precious Metals in precious metals jewellery alloys - Method using ICP spectrometry - Part 4：999‰ precious metals jewellery alloys - Determination of precious metals - Difference method 贵金属合金首饰中贵金属含量的测定 ICP光谱法 第4部分：999‰贵金属合金首饰 贵金属含量的测定 差减法 |
China National Standards Meta |
English PDF |
| GB/T 21198.3-2007 |
Determination of precious Metals in precious metals jewellery alloys - Method using ICP spectrometry - Part 3：Palladium jewellery alloys - Determination of palladium - Method using a solution with yttrium as internal standard element 贵金属合金首饰中贵金属含量的测定 ICP光谱法 第3部分：钯合金首饰 钯含量的测定 采用钇为内标 |
China National Standards Meta |
English PDF |
| GB/T 21198.2-2007 |
Determination of precious Metals in precious metals jewellery alloys - Method using ICP spectrometry - Part 2：Platinum jewellery alloys - Determination of platinum - Method using the intensity ratios of all minor constituents with reference to platinum 贵金属合金首饰中贵金属含量的测定 ICP光谱法 第2部分：铂合金首饰 铂含量的测定 采用所有微量元素与铂强度比值法 |
China National Standards Meta |
English PDF |
| GB/T 21198.1-2007 |
Determination of precious Metals in precious metals jewellery alloys -Method using ICP spectrometry - Part 1：Platinum jewellery alloys - Determination of platinum - Method using a solution with yttrium as internal standard element 贵金属合金首饰中贵金属含量的测定 ICP光谱法 第1部分：铂合金首饰 铂含量的测定 采用钇为内标 |
China National Standards Meta |
English PDF |
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