Phosphotungstic acid 44-hydrate CAS 12067-99-1

Hexaammonium molybdate is a high-purity, water-soluble molybdenum compound with the chemical formula (NH4)6Mo7O24??4H2O. It is a crystalline solid that serves as a molybdenum source in various applications, including agriculture as a micronutrient fertilizer and in the industrial production of catalysts and pigments. Known for its stability and reactivity, it is used to enhance the properties of steel and other alloys, promoting their hardness and resistance to wear.

Silicon dioxide, commonly known as silica, is a naturally occurring compound found in quartz and sand. It is a primary component of most rocks and is widely used in various industries due to its high thermal stability, chemical inertness, and optical clarity. In chemical applications, it is valued for its abrasive, refractory, and adsorptive properties, making it essential in products like glass, ceramics, and electronics.

Calcium carbonate, with the chemical formula CaCO3, is an inorganic compound found in nature as calcite, aragonite, and vaterite. It is a white solid that is insoluble in water but soluble in acid. Widely used as a filler and coating pigment in paper and plastics, calcium carbonate also serves as a primary ingredient in the production of cement and lime. Known for its high purity and chemical stability, it is utilized in pharmaceuticals, food additives, and as a dietary calcium supplement. Its versatility makes it an essential component in various industrial applications.