Ettect of Sodium Gluconate on the Hydration of 3CaO.<TEX>$Al_2O_3$</TEX>(I)-Adsorption Behavior-

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J. Korean Ceram. Soc. > Volume 23(2); 1986 > Article

Journal of the Korean Ceramic Society 1986;23(2): 38.

3CaO.$Al_2O_3$의 수화반응에 미치는 글루콘산나트륨읨 영향(I) -흡착거동-

김창은, 이승헌, 유종석¹, 최진호²

연세대학교 공과대학 요업공학과
¹연세대학교 공과대학 요업공학
²서울대학교 자연대학 화학과

Ettect of Sodium Gluconate on the Hydration of 3CaO.$Al_2O_3$(I)-Adsorption Behavior-

ABSTRACT

The adsorption behavior of 3CaO.$Al_2O_3$-sodium gluconate-$H_2O$ system by measuring adsorp-tion isotherm DTA and IR sepctra. The adsorbed amount of sodium gluconate on 3CaO.$Al_2O_3$ is exceedingly larger than 3CaO.$SiO_2$ and portland cement. From the DAT experiment the formation of complex is observed by the characteristic exothermic peak of the complex at 45$0^{circ}C$ It is now strong deduced that the chemical bonding between gluconate anion and 3CaO.$Al_2O_3$ should be coordinative due to the complex formation on the surface 3CaO.$Al_2O_3$ from the IR spectra of sod-ium gluconate only and 3CaO.$Al_2O_3$ -sodium gluconate-$H_2O$