Thorium oxide heavy white powder. The molecule formula is ThO2, the molecular weight is 264.04, the density is 9.86, the melting point is 3220 + 50 ℃, the service temperature is 2500 ℃ and the boiling point is 4400 ℃ 。Thorium oxide is soluble in sulfuric acid and insoluble in water.
Preparation or…
Stainless steel wire made of stainless steel as raw materials of various specifications and models of silk products, the origin of the United States, the Netherlands, Japan, the cross section is generally round or flat. Common stainless steel wire with good corrosion resistance and high cost perform…
Aluminum powder has silver-white metallic luster, so it is commonly known as aluminium-silve powder or silver powder. Its chemical composition is actually "aluminium", not "silver".
Scaly aluminium powder or aluminium powder paste, also known as aluminium silver powder, aluminium silver paste, silv…
Iron-silicon-aluminum alloy is an alloy powder of 85% iron, 9% silicon and 6% aluminum. It is processed into a ring or E-type magnetic powder core by special process. It is commonly called Kool Mμ magnetic powder core or Sendust magnetic powder core.
Since the iron-silicon-aluminum alloy sample sh…
Rhodium trichloride, also known as rhodium chloride, is a kind of red-brown powder, easy to deliquescence. Toxic! Molecular weight 209.26 (anhydrous), melting point 450-500 ("decomposition"). Boiling point 800 ("sublimation"). Polyfluorides are formed at temperatures above 600 C. It can be reduced b…
The rhodium wire has a resistivity of 4.67×10-2 Ω·mm 2 /m, a tensile strength of 726 MPa, and an elongation of 46%. The smelting is carried out by high-frequency furnace argon gas, remelted 2 to 3 times, bottom injection, hot working - cold working into 0.02 mm filament.Rhodium wire is a good high t…
Rhodium black is a gray powder metal. It is pure and has no visible inclusions and oxidation color. Corrosion resistance is high, even insoluble in boiling Aqua regia. But hydrobromic acid corrodes rhodium slightly. Moist iodine and sodium hypochlorite can also corrode rhodium.
Boiling Point of Rho…
Scandium is a chemical element, its chemical symbol is Sc, its atomic number is 21, is a soft, silver-white transition metal. Often mixed with gadolinium and erbium, the yield is very small.
Scandium is soft and soluble in acid. Generally, it oxidizes rapidly in the air and loses its luster. It mai…
Silicon powder is a kind of dust collected and treated by special trapping device in the process of smelting industrial silicon and ferrosilicon in industrial electric furnace at high temperature. Among the fumes, the content of SiO 2 accounts for about 90% of the total amount of fumes, and the part…
Indium is an expensive, rare metal. In the periodic table, the closest elements of indium are gallium, germanium, tin, and cadmium. Metal indium has a silvery white luster with a very low melting point and a very high boiling point.
Indium is very plastic and can be processed into various shapes un…
