{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, {Ca3(PO4)2}, is changed to the primary or acid calcium phosphate {Ca(H2PO4)2}, which is soluble and therefore available for the soil. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
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 — [ 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 — Superphosphate, s. Phosphorsäuredünger … Lexikon der gesamten Technik
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
superphosphate — superfosfatas statusas T sritis chemija apibrėžtis Fosforo trąša, Ca(H₂PO₄)₂ ir CaSO₄ mišinys. atitikmenys: angl. elementary superphosphate; simple superphosphate; superphosphate rus. обычный суперфосфат; простой суперфосфат; суперфосфат ryšiai:… … Chemijos terminų aiškinamasis žodynas
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 — Als Superphosphate werden verschiedene als Dünger eingesetztes Phosphate bezeichnet, die sich durch ihren Phosphatgehalt und wasserunlösliche Nebenbestandteile unterscheiden. Inhaltsverzeichnis 1 Superphosphat 2 Doppelsuperphosphat 3… … Deutsch 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 — noun Date: 1797 1. an acid phosphate 2. a soluble mixture of phosphates used as fertilizer and made from insoluble mineral phosphates by treatment with sulfuric acid … New Collegiate Dictionary
