Product Main

Quick Details

CAS No.: 1344-28-1
Other Names: : alumina, 3 oxidation 2 aluminium; English alias: Aluminum oxide; Commonly known as: corundum
MF: Al?O?
EINECS No.: 215-691-6
Place of Origin: China (Mainland)
Brand Name: shuner
Model Number:
character: The white solid, poorly soluble in water are neutral oxide
application: Used as analytical reagent
Alkaline and alkaline earth metal : % ≤0.50

Specifications

Properties: white solid, poorly soluble in water to neutral oxide. Odourless. Tasteless. Very hard. Easy to moisture absorption and not deliquescence (burn not hygroscopic). Both sexes oxide, soluble in inorganic acid and alkaline solution, almost insoluble in water and non-polar organic solvents. Relative density (d204) 4.0. Melting point of about 2000 ℃. Storage: sealed, dry preservation. SCRC100009 USES: used as analytical reagent. Dehydration of organic solvent. Adsorbent. Organic reaction catalyst. Abrasives. Polishing agent. The raw material of smelting aluminum. Refractory materials.
Dissolved in water, % 0.5 or less Silicate (SiO3) qualified Alkali metal and alkaline earth metals, % 0.50 or less Heavy metals (Pb), % 0.005 or less Chloride (Cl), % 0.01 or less Sulfate (SO4), % 0.05 or less Burning loss, % 5.0 or less Iron (Fe), % 0.01 or less Four main components.
Alumina bauxite raw materials through chemical treatment, removal of silicon, iron, titanium oxide, molecular biology and is of high purity alumina raw materials, Al ? O ? content is in commonly 99% above. Mineral phase by 40% ~ 76% of gamma - Al ? O ? and 24% ~ 60% of alpha Al ? O ? composition. Gamma - Al ? O ? in 950 ~ 1200 ℃ can be transformed into alpha Al ? O ? (corundum), at the same time the volume shrinkage of significantly.