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Spherical graphite overview Spherical graphite is made of high-quality, high-carbon natural flake graphite as raw materials. The graphite surface is modified by advanced processing technology to produce graphite products with different fineness and…
Put 2g (0.036mol) manganese, 2g (0.071mol) silicon and 10g (0.16mol) copper in small pieces into a 10ml Al2O3 crucible in a quartz ampoule with an open end. After being emptied and melted,…
Bismuth oxide preparation 1. Add dropwise an aqueous solution of sodium hydroxide without carbon dioxide to the bismuth nitrate solution (80-90°C), and mix well. The solution remains alkaline during the precipitation process,…
Magnesium diboride (MgB2) is an ionic compound with a hexagonal crystal structure. It is an intercalation compound with alternating layers of magnesium and boron. Superconductivity of magnesium diboride Among metal materials, multi-band…
Antimony tin oxide is a mostly off-white and blue powder. The body has chemical resistance, acid resistance, alkali resistance, light resistance, organic solvent resistance, non-oxidation, flame retardant, high temperature resistance, corrosion resistance,…
Using amorphous boron powder and aluminum powder as raw materials, powder metallurgy is used to prepare AlB12 powder. X-ray diffractometer and scanning electron microscope were used to determine the phase composition, relative…
Zirconium disilicide ZrSi2 powder overview Zirconium disilicide ZrSi2, also known as zirconium silicide, is a gray square crystalline powder. Zirconium silicide is used as the raw material powder for fine ceramics. Zirconium silicide…
Fe3O4 powder is a mixed valence oxide of iron. The melting point is 1597°C and the density is 5.18g Insoluble in water, soluble in acid solution. At room temperature, Fe3O4 appears in…
Zinc sulfide ZnS powder overview White to off-white or light yellow powder. See the light darken. It is stable in dry air, and when it is placed in humid air for a…
Calcium stearate is an organic compound with the molecular formula C36H70CaO4. It is a white powder, insoluble in water, and can be used as a waterproofing agent, lubricant and plastic additive. Calcium…
Characteristics of Titanium Nitride The Vickers hardness of titanium nitride is 1800-2100, the modulus of elasticity is 251 GPa, the coefficient of thermal expansion is 9.35×10 − 6 K −1, and the…
Overview of bismuth sulfide Bi2S3 Bismuth sulfide, chemical formula Bi2S3. Molecular weight 514.15. Brown-yellow powder or crystals. Specific gravity 7.39. Decomposes at 685℃. It is insoluble in water and ethyl acetate, soluble…