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5935513 
Book/Book Chapter 
Phosphoric acids and phosphates 
Gilmour, RB 
2019 
John Wiley & Sons, Inc. 
Hoboken, NJ 
Kirk-Othmer encyclopedia of chemical technology 
English 
Most commercial applications of phosphorus‐containing materials are based on phosphoric acids and phosphates. Uses, other than as fertilizer, include applications in detergency, foods and food processing, dental materials, dentifrices, metal surface treatments, flame retardants, etc. Structures and properties of orthophosphoric acid and condensed phosphoric acids are presented. The manufacture of technical‐ and food‐grade phosphoric acids by thermal and wet‐acid purification processes and some uses of various phosphoric acids are discussed.

The chemistry and properties of orthophosphates and condensed phosphates are presented. Emphasis is placed on alkali metal and calcium salts and their solution properties. Properties specific to condensed phosphate salts such as hydrolysis and metal ion complexation are outlined. Manufacturing schemes for phosphates are described. 
phosphoric acid; phosphate; orthophosphoric acid; polyphosphoric acid; orthophosphate 
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