calcium superphosphate

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• superphosphate — [ sypɛrfɔsfat ] n. m. • 1858; de super et phosphate ♦ Chim. Engrais artificiel composé de phosphate et de sulfate de calcium. ● superphosphate nom masculin Engrais minéral simple phosphaté obtenu à partir de phosphate. superphosphate n. m. CHIM… …   Encyclopédie Universelle

• 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

• Superphosphate — Granulés de superphosphate triple, engrais titrant 45 % de P2O5. Un superphosphate est un engrais minéral phosphaté obtenu par attaque chimique acide d une roche phosphatée par de l acide sulfurique pour fabriquer le superphosphate …   Wikipédia en Français

• 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

• superphosphate — /sooh peuhr fos fayt/, n. Chem. 1. Also called acid phosphate. a mixture of calcium acid phosphate and calcium sulfate prepared by treating phosphate rock with sulfuric acid: used chiefly as a fertilizer. 2. Also called triple superphosphate. a… …   Universalium

• superphosphate — n. (Chemistry) acid phosphate, mixture containing calcium acid phosphate and calcium sulfate (mainly used as an agricultural fertilizer) …   English contemporary dictionary

• superphosphate — su•per•phos•phate [[t]ˌsu pərˈfɒs feɪt[/t]] n. 1) chem. a mixture of calcium acid phosphate and calcium sulfate, used chiefly as a fertilizer 2) chem. a mixture prepared with phosphoric acid and containing about 45 percent of soluble phosphates,… …   From formal English to slang

• superphosphate — /supəˈfɒsfeɪt / (say soohpuh fosfayt) noun 1. an artificial fertiliser consisting of a mixture of calcium sulphate and calcium dihydrogen phosphate, Ca(H2PO4)2, made by treating phosphate rock with sulphuric acid. 2. any fertiliser containing… …  

• Triple superphosphate — is a fertilizer produced by the action of concentrated phosphoric acid on ground phosphate rock.:3Ca3(PO4)2 middot;CaF2 + 4H3PO4 + 9H2O > 9Ca(H2PO4)2 + CaF2The active ingredient of the product, monocalcium phosphate, is identical to that of… …   Wikipedia