Browse Standards

原铝生产用炭素材料 煤沥青 第5部分：甲苯不溶物含量的测定

Carbonaceous materials for the production of primary aluminium - Pitch for electrodes - Part 5：Determination of content of toluene-insoluble material

原铝生产用炭素材料 煤沥青 第4部分：喹啉不溶物含量的测定

Carbonaceous materials for the production of primary aluminium - Pitch for electrodes - Part 4：Determination of content of quinoline-insoluble material

原铝生产用炭素材料 煤沥青 第3部分：密度的测定 比重瓶法

Carbonaceous materials for the production of primary aluminium - Pitch for electrodes - Part 3：Determination of density - Pyknometric method

原铝生产用炭素材料 煤沥青 第2部分：软化点的测定 环球法

Carbonaceous materials for the production of primary aluminium - Pitch for electrodes - Part 2：Determination of softening point by the ring and ball method

原铝生产用炭素材料 煤沥青 第1部分：水分含量的测定 共沸蒸馏法

Carbonaceous materials for the production of primary aluminium - Pitch for electrodes - Part 1：Determination of water content - Azeotropic distillation(Dean and Stark) method

不透性石墨设备水压试验方法

Hydraulic pressure test method of graphite lined equipment

纳米氧化铝

Nano-alumina

双光束紫外可见分光光度计

Double beam UV/VIS spectrophotometer

离子选择电极

Ion selective electrodes

可见分光光度计

Visible spectrophotometer

单光束紫外可见分光光度计

Single beam UV/VIS spectrophotometer

玻璃比色皿

Glass cells

离子选择电极校准溶液制备方法

Preparation method of reference solutions for the measurement of ion selective electrodes

pH值测定用复合玻璃电极

Combined glass electrodes for the measurement of pH value

电导率仪的试验溶液 氯化钠溶液制备方法

Test solutions of electrolytic conductivity analyzer - Preparation method of sodium chloride solutions

电导率测量用校准溶液制备方法

Preparation method of reference solutions for the measurement of conductivity

pH值测定用缓冲溶液制备方法

Preparation method of buffer solutions for the measurement of pH value

家用卫生杀虫用品 烟尘量试验方法

Domestic sanitary insecticide - Test method of smoke dust

唇彩、唇油

Lip gloss，lip oil

工业用吡啶

Pyridine for industrial use