Monocalcium phosphate

Sir John Bennett Lawes about the same time discovered that phosphate rock underwent the same reaction and could be used as a source ingredient.An expanded market for superphosphate emerged in the second half of the 20th century by the development of aerial topdressing in New Zealand which allowed superphosphate to be spread economically over large areas.The most famous mining site is the island of Nauru in the South Pacific from which much of the "soil" was mined, producing temporary wealth for the inhabitants.
Monocalcium phosphate is a chemical compound.Phosphorus is an essential nutrient and therefore is a common component of agricultural fertilizers.Therefore it can be converted into the more soluble monocalcium phosphate, generally by the use of sulfuric acid H2SO4.Superphosphate is a fertilizer produced by the action of concentrated sulfuric acid on powdered phosphate rock.
With sulfuric acid decomposition apatite (PO4) 3 F Ca5 made is called common calcium superphosphate, or general calcium, the main composition is Ca (H2PO4) 2 · H2O and no water calcium sulfate and a small amount of phosphoric acid, contains effective P4O10 14% ~ 20%, 80% ~ 95% soluble in water, soluble phosphate phosphorus, of phosphate fertilizer made directly, can also be used to the compound fertilizer.Monocalcium phosphate is also used in the food industry as a food additives to cause baked goods to rise.When combined in a ready-made baking powder, the acid and alkali ingredients are included in the right proportions such that they will exactly neutralize each other and not significantly affect the overall pH of the product.
The physicochemical properties of three inclined crystal is colorless crystalline or white crystal powder. The relative density of 2.22 (16 ℃). A slight hygroscopic, easily soluble in hydrochloric acid, nitric acid, slightly soluble in cold water, hardly soluble in alcohol. In 30 ℃, 100 ml water soluble calcium dihydrogen phosphate 1.8 g. Aqueous acid, heating water solution is show hydrolyzed to ZhengLinSuan calcium hydrogen. In 109 ℃, 203 ℃ when gesso lost is broken down into partial calcium phosphate.

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