Browse Standards

稀土金属及其氧化物中非稀土杂质化学分析方法 铝、铬、锰、铁、钴、镍、铜、锌、铅的测定 电感耦合等离子体发射光谱法(方法1) 钴、锰、铅、镍、铜、锌、铝、铬的测定 电感耦合等离子体质谱法(方法2)

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of Al、Cr、Mn、Fe、Co、Ni、Cu、Zn、Pb content by inductively coupled plasma atomic emission spectrographic method--Determination of Co、Mn、Pb、N

稀土金属及其氧化物中非稀土杂质化学分析方法 铁量的测定 硫氰酸钾、1，10-二氮杂菲分光光度法

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of iron content--Kalium thiocyanate，1，10-phenanthroline spectrophotometric method

稀土金属及其氧化物中非稀土杂质化学分析方法 硅量的测定 钼蓝分光光度法

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of silicon content--Molybdenum blue spectrophotometric method

稀土金属及其氧化物中非稀土杂质化学分析方法 钠量的测定 火焰原子吸收光谱法

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of sodium content--Flame atomic absorption spectrometric method

稀土金属及其氧化物中非稀土杂质化学分析方法 氯量的测定 硝酸银比浊法

Chemical analysis methods for non-rare earth impurities of rare earth metals andtheir oxides--Determination of chlorine content--Silver nitrate turbidimetric method

钢质模锻件 通用技术条件

General specification of steel die forgings

钢质模锻件 公差及机械加工余量

Tolerances and machining--Allowances ofsteel die forging

金属材料 线材 缠绕试验方法

Metallic materials--Wire--Wrapping test

钢的应变时效敏感性试验方法(夏比冲击法)

Steel-strain ageing sensibility test(Charpy impact method)

热轧圆钢和方钢尺寸、外形、重量及允许偏差

Hot-rolled round and square steel bars--Dimension，shape，weight and tolerance

热轧工具钢扁钢尺寸、外形、重量及允许偏差

Dimensions，shapes，weight and tolerances for hot-rolled tool flat steels

铑粉

Rhodium powder

铱粉

Iridium powder

异型接点带通用规范

Specification for electrical contact profiles

氧化铝化学分析方法和物理性能测定方法 苯甲酰苯基羟胺萃取光度法测定五氧化二钒含量

Chemical analysis methods and determination of physical performance of alumina--Determination of vanadic oxide content--N-benzoyl-N-phenylhydroxylamine extraction photometric method

氧化铝化学分析方法和物理性能测定方法 火焰原子吸收光谱法测定一氧化锰含量

Chemical analysis methods and determination of physical performance of alumina--Determination of manganous oxide content--Flame atomic absorption spectrophotometric method

氧化铝化学分析方法和物理性能测定方法 火焰原子吸收光谱法测定氧化锌含量

Chemical analysis methods and determination of physical performance of alumina--Determination of zinc oxide content--Flame atomic absorption spectrophotometricmethod

氧化铝化学分析方法和物理性能测定方法 火焰原子吸收光谱法测定氧化钙含量

Chemical analysis methods and determination of physical performance of alumina--Determination of calcium oxide content--Flame atomic absorption spectrophotometric method

氧化铝化学分析方法和物理性能测定方法 镧-茜素络合酮分光光度法测定氟含量

Chemical analysis methods and determination of physical performance of alumina--Determination of fluorine content--Lanthanum-alizarincomplexone spectrophotometric method

氧化铝化学分析方法和物理性能测定方法 硫氰酸铁光度法测定氯含量

Chemical analysis methods and determination of physical performance of alumina--Determination of chlorine content--Ferric thiocyanate photometric method