Browse Standards

钨精矿化学分析方法 第3部分：磷含量的测定 磷钼黄分光光度法和电感耦合等离子体原子发射光谱法

Methods for chemical analysis of tungsten concentrates—Part 3: Determination of phosphorus content—The phosphorus molybdenum yellow spectrophotometry and inductively coupled plasma atomic emission spectrometry

钨精矿化学分析方法 第1部分：三氧化钨含量的测定 钨酸铵灼烧重量法

Methods for chemical analysis of tungsten concentrates—Part 1：Determination of tungsten trioxide content—Ammonium tungstate igniting gravimetric method

稀土金属及其氧化物中稀土杂质化学分析方法 第6部分：铕中镧、铈、镨、钕、钐、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定

Chemical analysis methods of rare earth impurities in rare earth metals and their oxides—Part 6:Determination of lanthanum,cerium,praseodymium,neodymium,samarium,gadolinium,terbium,dysprosium,holmium,erbium,thulium,ytterbium,lutetium and yttrium contents

一般工程与结构用碳钢及低合金钢铸件金相检验

Metallographic examination of carbon steel and low alloy steel castings for general engineering and sturctural purposes

高炉用高风温顶燃式热风炉节能技术规范

Specifications of top combustion stove with high blast temperature for blast furnace

锅炉、热交换器用不锈钢无缝钢管

Seamless stainless steel tubes for boiler and heat exchanger

增材制造用锆及锆合金粉

Zirconium and zirconium alloy powder for additive manufacturing

锡化学分析方法 第11部分：铜、铁、铋、铅、锑、砷、铝、锌、镉、银、镍和钴含量的测定 电感耦合等离子体原子发射光谱法

Methods for chemical analysis of tin—Part 11：Determination of copper,iron,bismuth,lead,antimony,arsenic,aluminum,zinc,cadmium,silver,nickel and cobalt contents—Inductively coupled plasma atomic emission spectrometry

硼铁 硅含量的测定 高氯酸脱水重量法

Ferroboron—Determination of silicon content—Perchloric acid dehydration-gravimetric method

铌铁 钛含量的测定 变色酸光度法和二安替比林甲烷光度法

Ferroniobium—Determination of titanium content—Chromotropic acid photometric method and diantipyrylmethane photometric method

稀土矿及稀土产品 总α、总β放射性的测定 厚源法

Rare earth mineral and rare earth products—Determination of gross alpha and beta radio activity—Thick source method

白光LED用氮氧化物蓝绿粉

Oxynitride cyan phosphors for white LEDs

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

Ferromanganese,ferromanganese-silicon,nitrogen-bearing ferromanganese and manganese metal—Determination of carbon content—The Infrared absorption method,the gasometric method,the gravimetric method and the coulometric method

钢丝绳一般性能试验方法

Test methods for general property of steel wire ropes

医疗器械用钢丝绳

Steel wire ropes for medical devices

铁磁性钢丝绳电磁检测方法

Practice for electromagnetic examination of ferromagnetic steel wire rope

钢筋腐蚀盐溶液周期浸润试验方法

Test method for alternate immersion corrosion in salt solution of steel bars

碳素轴承钢

Carbon bearing steel

钨铁 钴、镍、铝含量的测定 电感耦合等离子体原子发射光谱法

Ferrotungsten—Determination of cobalt, nickel and aluminum contents—Inductively coupled plasma atomic emission spectrometric method

碳化硅抛光片表面质量和微管密度的测试 共焦点微分干涉法

Test method for surface quality and micropipe density of polished silicon carbide wafers—Confocal and differential interferometry optics