[Chemistry Class Notes] on Zinc Phosphate Formula Pdf for Exam

The zinc Phosphate formula is also called the Trizinc diphosphate formula or Trizinc Phosphate formula. It is an inorganic compound that is primarily used as a corrosion-resistant coating for metal surfaces. It can be used either as a primer pigment or in the electroplating process. The chemical formula,  or molecular formula of Zinc Phosphate is given as Zn3(PO4)2, which is also called zinc phosphate symbol.

About Trizinc Phosphate

Trizinc Phosphate can be obtained from zinc phosphate cement. It can be widely used in the field of dentistry. The oldest cement, which is used for dentistry is Zinc phosphate; dental cement is used as a base for dental restorations.

Zinc Phosphate Formula Structure

Minerals

The natural forms of zinc phosphate are parahopeite and the minerals hopeite. A somewhat the same mineral is natural hydrous zinc phosphate, which is called tarbuttite, Zn2(PO4)(OH). Both are well-known from oxidation zones of Zn ore beds and were formed through the oxidation process of sphalerite by the presence of phosphate-rich solutions. Naturally, the anhydrous form has not yet been found.

Dentistry

Zinc phosphate dental cement is the oldest cement and is a widely used dental cement. Commonly, it is used for luting zirconium dioxide restorations and permanent metal and as a base for dental restorations. This cement is used for cementation of inlays, bridges, crowns, and orthodontic appliances and also as a temporary restoration, occasionally.

It can be prepared by mixing magnesium oxide and zinc oxide powders with a liquid consisting principally of water, phosphoric acid, and buffers. It is given as the standard cement to measure against and has the longest track record in dentistry usages. Still, it is the commonly used cement; however, resin-modified glass ionomer cement is stronger and more convenient when used in the dental setting.