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CA4AL2O7•NH2O [1 record]
Record 1 - internal organization data 2010-12-23
Record 1, English
Record 1, Subject field(s)
- Chemical Elements and Compounds
- Binders and Mastics (Constr.)
Universal entry(ies) Record 1
Record 1, Main entry term, English
- dialuminium tetracalcium heptaoxide hydrate
1, record 1, English, dialuminium%20tetracalcium%20heptaoxide%20hydrate
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- tetracalcium aluminate hydrate 2, record 1, English, tetracalcium%20aluminate%20hydrate
correct
- hydrated tetracalcium aluminate 3, record 1, English, hydrated%20tetracalcium%20aluminate
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
When water is added to cement a chemical process called hydration takes place. Chemicals in the cement chemically react and are transformed into new compounds. [For example, for the combined materials] tetracalcium aluminate + water + calcium hydroxide [corresponds the] transformed compound tetracalcium aluminate hydrate. 4, record 1, English, - dialuminium%20tetracalcium%20heptaoxide%20hydrate
Record number: 1, Textual support number: 2 CONT
Tricalcium aluminate plus 12 parts water and calcium hydroxide is converted to tetracalcium aluminate hydrate (3CaO·Al2O3·Ca(OH)2·12H2O). 5, record 1, English, - dialuminium%20tetracalcium%20heptaoxide%20hydrate
Record number: 1, Textual support number: 3 CONT
Anthony et al. studied the activation of unreacted calcium by means of injecting limestone into the furnace. They report hydrated tetracalcium aluminate as the major hydration product of the activation process. 6, record 1, English, - dialuminium%20tetracalcium%20heptaoxide%20hydrate
Record number: 1, Textual support number: 1 OBS
Chemical formula: Ca4Al2O7•nH2O; the small letter "n" must be italicized. 1, record 1, English, - dialuminium%20tetracalcium%20heptaoxide%20hydrate
Record 1, French
Record 1, Domaine(s)
- Éléments et composés chimiques
- Liants et mastics (Construction)
Entrée(s) universelle(s) Record 1
Record 1, Main entry term, French
- heptaoxyde de dialuminium et de tétracalcium hydrate
1, record 1, French, heptaoxyde%20de%20dialuminium%20et%20de%20t%C3%A9tracalcium%20hydrate
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- aluminate tétracalcique hydrate 1, record 1, French, aluminate%20t%C3%A9tracalcique%20hydrate
correct, masculine noun
- aluminate tétracalcique hydraté 2, record 1, French, aluminate%20t%C3%A9tracalcique%20hydrat%C3%A9
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
[Parmi les réactions chimiques observées pendant l'hydratation des ciments figure] l'hydratation des deux phases aluminates qui réagissent avec le gypse (régulateur de prise) pour former de l'ettringite, du monosulfoaluminate tricalcique hydraté et de l'aluminate tétracalcique hydraté. 3, record 1, French, - heptaoxyde%20de%20dialuminium%20et%20de%20t%C3%A9tracalcium%20hydrate
Record number: 1, Textual support number: 1 OBS
Le procédé d'hydratation du clinker, qui redonne des composés cristallins, est complexe: l'aluminate tricalcique se transforme en aluminate tétracalcique et (en présence de gypse) en sulfoaluminates. 4, record 1, French, - heptaoxyde%20de%20dialuminium%20et%20de%20t%C3%A9tracalcium%20hydrate
Record number: 1, Textual support number: 2 OBS
Formule chimique : Ca4Al2O7•nH2O; la lettre «n» s'écrit en italique. 1, record 1, French, - heptaoxyde%20de%20dialuminium%20et%20de%20t%C3%A9tracalcium%20hydrate
Record 1, Spanish
Record 1, Textual support, Spanish
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