Formation of calcium hydroxide from aqueous suspensions of tricalcium silicate. J. Am. Ceram. Soc. 67 (1), 48-51.Z. Wu, J.F. Young, Formation of calcium hydroxide from aqueous suspensions of tricalcium silicate, J. Am. Ceram. Soc. 67 (1) (1984) 48 ± 51....
..Sis0to0.15werereactedwithasaturatedcalciumhydroxidesolutionattemperaturesvaryingfrom1908Cto3108Con thesaturatedvapourpressurecurve.Reactionproductsconsistedoftobermorite,xonotliteoramixtureofboth.Tobermorite isstabilisedbyincreasingaluminiumcontentanddecreasingtemperature,whereasxonotliteformsathighertemperatureand ...
The formation of calcium deficient hydroxyapatite Ca 9 (HPO 4 )(PO 4 ) 5 OH (HAp) at 25掳C by reaction of tetracalcium phosphate (TetCP), monocalcium phosphate monohydrate (MCPM), and calcium hydroxide was investigated. Phase pure, calcium deficient hydroxyapatite was prepared in approximately...
Alkoxide gels of tobermorite composition with varying aluminium contents (Al/(Al+Si)=0 to 0.15) were reacted with a saturated calcium hydroxide solution at temperatures varying from 190°C to 310°C on the saturated vapour pressure curve. Reaction products consisted of tobermorite, xonotlite or a...
The goal of this research was to demonstrate an alternative strategy to reduce the FOG deposit formation and its adhesion to sewer surfaces by replacing 50% and 75% of portland cement with fly ash (FA). Hydration of portland cement results in the formation of calcium hydroxide, which is water...
Junya Kano Hiroshi Yamashita and Fumio Saito.Effect of heat-assisted grinding of a calcium hydroxide-gibbsite mixture on formation of hydrated calcium aluminate and its hydration behavior. Powder Technology . 1998Kano, J.; Yamashita, H.; Saito, F. Effect of heat-assisted grinding of a calcium ...
Type I hydroxyl ions are ascribed to those of the unreacted calcium hydroxide (portlandite) present due to incomplete carbonation and Type II hydroxyl ions are ascribed to interstitial defects which are strongly associated with the calcium carbonate lattice framework. Interestingly, the calcium carbonate...
The calcium chloride is obtained from washing the hydrogen chloride and chlorine- containing waste gases obtained durin... W Riediker - US 被引量: 1发表: 1980年 Effect of Polyethylene Glycol on Preparation of Magnesium Hydroxide by Electrodeposition The current research focuses on the mechanism of...
The heat capacity of crystalline calcium hydroxide was measured from 19 to 330°K. and the entropy at 298.15°K. calculated as 19.93 ± 0.10 cal. deg.-1 mole-1. The heat of dissociation was calculated from dissociation pressures by third law methods. The result is in excellent agreement wit...
These cements consist of dicalcium phosphate anhydrous (DCPA), dicalcium phosphate dihydrate (DCPD), alpha-tricalcium phosphate, or amorphous calcium phosphate and, as an additional source of calcium, calcium hydroxide or calcium carbonate. These cements require the use of a phosphate (0.2 moll(-1...