lime superphosphate

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• Superphosphate — is a fertilizer produced by the action of concentrated sulfuric acid on powdered phosphate rock. :Ca3(PO4)2 + 2H2SO4 → Ca(H2PO4)2 + 2CaSO4History and developmentIn the 1840s, scientists found that coprolites could be dissolved in sulfuric acid to …   Wikipedia

• Superphosphate of lime — Superphosphate Su per*phos phate, n. (Chem.) An acid phosphate. [1913 Webster] {Superphosphate of lime} (Com. Chem.), a fertilizer obtained by trating bone dust, bone black, or phosphorite with sulphuric acid, whereby the insoluble neutral… …   The Collaborative International Dictionary of English

• Superphosphate — Su per*phos phate, n. (Chem.) An acid phosphate. [1913 Webster] {Superphosphate of lime} (Com. Chem.), a fertilizer obtained by trating bone dust, bone black, or phosphorite with sulphuric acid, whereby the insoluble neutral calcium phosphate,… …   The Collaborative International Dictionary of English

• basic lime — noun : a superphosphate to which enough lime has been added to change water soluble phosphate to the citrate soluble form …   Useful english dictionary

• Phosphorus — This article is about the chemical element. For other uses, see Phosphorus (disambiguation). silicon ← phosphorus → sulfur …   Wikipedia

• Ca3PO42 — Superphosphate Su per*phos phate, n. (Chem.) An acid phosphate. [1913 Webster] {Superphosphate of lime} (Com. Chem.), a fertilizer obtained by trating bone dust, bone black, or phosphorite with sulphuric acid, whereby the insoluble neutral… …   The Collaborative International Dictionary of English

• CaH2PO42 — Superphosphate Su per*phos phate, n. (Chem.) An acid phosphate. [1913 Webster] {Superphosphate of lime} (Com. Chem.), a fertilizer obtained by trating bone dust, bone black, or phosphorite with sulphuric acid, whereby the insoluble neutral… …   The Collaborative International Dictionary of English

• Monocalcium phosphate — Monocalcium phosphate …   Wikipedia

• Aerial topdressing — is the spreading of fertilisers such as superphosphate over farmland with the use of aircraft. Aerial topdressing was developed in New Zealand in the 1940s and was rapidly adopted elsewhere in the 1950s. For more general information about… …   Wikipedia

• chemical industry — Introduction       complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives.       Although the chemical industry may be described simply as the industry that uses chemistry and… …   Universalium

• calcium phosphate — noun a phosphate of calcium; a main constituent of animal bones • Hypernyms: ↑phosphate, ↑orthophosphate, ↑inorganic phosphate * * * noun 1. : an orthophosphate of calcium: as a. : one of the three simple orthop …   Useful english dictionary