MoS2 is a material in the class of ‘transition metal dichalcogenides’ (TMDCs) with a chemical formula MX2. The crystal structure has a triple plane of S atoms on each side of a hexagonal plane of Mo atoms. The S atoms are joined to the Mo atoms by strong covalent bonds… Continue reading
strontium nitrate properties are used in the manufacture of many types of products including flares, fireworks and rescue signaling devices. It serves as a red colorant in these products and as an oxidizer as well. It is also mixed with glycolic acid to reduce skin irritations and to prevent aging.PropertiesMolecular… Continue reading
Calcium nitride is an inorganic compound, containing calcium and nitrogen. It has several isomorphous forms. Among them, -calcium nitride is the most common form.The chemical formula of calcium nitride is Ca3N2. It is produced by heating metallic calcium in a purified nitrogen stream. After 3 to 4 hours, the crystal… Continue reading
Prohibited goods include mainly 1. Detonators, gunpowders and firecrackers are all examples of radioactive dangerous objects. These include gasoline, alcohol (kerosene), kerosene or tung oil. They are all included in the Chemical Products in the Industry Press “Practical Handbook for Dangerous chemicals” publication. 2. Narcotics and psychotropic drugs, including opium… Continue reading
Review of hafnium Hafnium can be described as a chemical element. Its symbol is Hf, and its atomic numer is 72. Hafnium, which is a shiny silvery-gray tetravalent transformation metal has the same chemical properties as zirconium and can also be found in zirconium minerals. Dmitri Menedeleev had predicted it’s… Continue reading