Definition of Portlandite. Meaning of Portlandite. Synonyms of Portlandite

- Portlandite is a hydroxide-bearing mineral typically included in the oxide mineral class. It is the naturally occurring form of calcium hydroxide (Ca(OH)2)...
- constants pKa and pKb Petch, H. E. (1961). "The hydrogen positions in portlandite, Ca(OH)2, as indicated by the electron distribution". Acta Crystallographica...
- ultimate reaction with portlandite, because they are continuously regenerated from the cation exchange reaction with portlandite. As a consequence, they...
- also, 2 OH− → O2− + H2O For portlandite this gives thus the following m**** balance: Ca(OH)2 → CaO + H2O Thus portlandite can be written as CaO · H2O or...
- the Na2Oeq content of cement) also contributes to the carbonation of portlandite by atmospheric CO2 in concrete although the rate of propagation of the...
- chemical environment provided by the alkali reserve (KOH, NaOH) and the portlandite (calcium hydroxide) contained in the hardened cement paste causes a p****ivating...
- 21 March 2011. Kruszewski, Ł. (January 2006). "Oldhamite-periclase-portlandite-fluorite ****emblage and coexisting minerals of burnt dump in Siemianowice...
- alkali–aggregate reaction (AAR) is also known as alkali–carbonate reaction. Portlandite – calcium hydroxyde: Ca(OH) 2 Patnaik, Pradyot (2003). Handbook of inorganic...
- and portlandite (Ca(OH)2) according to the reaction: 2 Ca 2 SiO 4 ⏟ Belite + 4 H 2 O ⏟ Water ⟶ 3 CaO ⋅ 2 SiO 2 ⋅ 3 H 2 O + Ca ( OH ) 2 ⏟ Portlandite {\displaystyle...
- reaction stands a simple acid-base reaction between calcium hydroxide (as Portlandite) and silicic acid. Ancient Roman use as underwater cement Caesarea Maritima...