bone 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 — 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

• 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 — [so͞o΄pərfäs′fāt] n. an acid phosphate, esp. a mixture mainly of monobasic calcium phosphate and gypsum, made by treating bone, phosphate rock, etc. with sulfuric acid and used as fertilizer …   English World dictionary

• Bone Valley — The Bone Valley is a region of central Florida, encompassing portions of present day Hardee, Hillsborough, Manatee, and Polk counties, in which phosphate is mined for use in the production of agricultural fertilizer. Florida currently contains… …   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

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

• NPK rating — NPK redirects here. For the company that uses the NPK stock symbol, see National Presto Industries. NPK rating (or N P K) is used to label fertilizer based on the relative content of the chemicals nitrogen(N), phosphorus(P), and potassium(K) that …   Wikipedia

• fertilizer — I (New American Roget s College Thesaurus) n. manure, compost, guano. See agriculture. II (Roget s IV) n. Syn. manure, top dressing, organic fertilizer, commercial fertilizer, chemical fertilizer, plant food, compost, humus, mulch, soil amendment …   English dictionary for students