Browse Standards

化学试剂 硝酸

Chemical reagent - Nitric acid

化学试剂 盐酸

Chemical reagent - Hydrochloric acid

化学试剂 结晶点测定通用方法

Chemical reagent - General method for the determination of crystallizing point

化学试剂 总氮量测定通用方法

Chemical reagent - General method for the determination of total nitrogen

化学试剂 色度测定通用方法

Chemical reagent - General method for the measurement of colour

化学试剂 沸程测定通用方法

Chemical reagent - General method for the determination of distillation range

化学试剂 铁测定通用方法

Chemical reagent - General method for the determination of iron

化学试剂 熔点范围测定通用方法

Chemical reagent - General method for the determination of melting range

化学试剂 折光率测定通用方法

Chemical reagent - General method for the determination of refractive index

化学试剂 密度测定通用方法

Chemical reagent - General method for the determination of density

化学试剂 沸点测定通用方法

Chemical reagent - General method for the determination of boiling point

染料产品中10种重金属元素的限量及测定

Limit and determination of the quantity of 10 heavy-metal elements in dye products

波谱法定性点分析电子探针显微分析导则

Electron probe microanalysis guidelines for qualitative point analysis by wavelength dispersive X-ray spectrometry

薄晶体厚度的会聚束电子衍射测定方法

Method of thickness measurement for thin crystal by convergent beam electron diffraction

稳定性二氧化氯溶液

Stable chlorine dioxide solution

化工产品中水分测定的通用方法 干燥减量法

Chemical products for industrial use - General method for determination of water content - The loss of mass on drying method

工业用化工产品 铁含量测定的通用方法 1，10-菲啰啉分光光度法

Chemical products for industrial use - General method for determination of iron content - 1,10-Phenanthroline spectrophotometric method

工业循环冷却水 碳酸盐碱度的测定

Industrial circulating cooling water - Determination of carbonate alkalinity

工业循环冷却水 总碱及酚酞碱度的测定

Industrial circulating cooling water - Determination of total and composite alkalinity

化纤用氢氧化钠 硫酸盐含量的测定

Sodium hydroxide for chemical fiber use - Determination of sulphate content