3CaO.$Al_2O_3$의 수화반응에 미치는 글루콘산 나트륨의 영향(II) 초기 수화 거동 Effect of Sodium Gluconate on the Hydration of Tricalcium Aluminate(II) Early Hydration Behavior원문보기
The hydration of $C_3A$ and $C_3A-CaSO_4$.$2H_2O$ was investigated with varying concentration (0.1-1.0%) of sodium gluconate solution. gluconate solution. Sodium gluconate accelerates cation dissolution from $C_3A$ for the first several minutes but depress...
The hydration of $C_3A$ and $C_3A-CaSO_4$.$2H_2O$ was investigated with varying concentration (0.1-1.0%) of sodium gluconate solution. gluconate solution. Sodium gluconate accelerates cation dissolution from $C_3A$ for the first several minutes but depresses the rate of heat evolution in the course of $C_3A$ hydration. The hydration of $C_3A$ in the presence of sodium gluconate was modified such that the formation of the intermediate hydrate C4AH$\chi$ crystal was much reduced and most of the product became amorphous. The retardation of $C_3A-CaSO_4$.$2H_2O$ hydration in the presence of sodium gluconate was controlled by the competitive adsorption between gluconate anion and $SO_4^{-2}$ onto $C_3A$ surface.
The hydration of $C_3A$ and $C_3A-CaSO_4$.$2H_2O$ was investigated with varying concentration (0.1-1.0%) of sodium gluconate solution. gluconate solution. Sodium gluconate accelerates cation dissolution from $C_3A$ for the first several minutes but depresses the rate of heat evolution in the course of $C_3A$ hydration. The hydration of $C_3A$ in the presence of sodium gluconate was modified such that the formation of the intermediate hydrate C4AH$\chi$ crystal was much reduced and most of the product became amorphous. The retardation of $C_3A-CaSO_4$.$2H_2O$ hydration in the presence of sodium gluconate was controlled by the competitive adsorption between gluconate anion and $SO_4^{-2}$ onto $C_3A$ surface.
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