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J. Korean Ceram. Soc. > Volume 39(4); 2002 > Article
Journal of the Korean Ceramic Society 2002;39(4): 401.
doi: https://doi.org/10.4191/kcers.2002.39.4.401
보통포틀랜드 시멘트의 수화에 미치는 Boric Acid의 영향
이의학, 송영진, 송명신, 이경희
명지대학교 무기재료공학과
The Effect of Boric Acid on the Hydration of OPC
Eui-Hak Lee, Young-Jin Song, Myong-Shin Song, Kyung-Hee Lee
Department of Inorganic Materials Engineering, Myong-Ji University
The influence of $H_3BO_3$ in one of inorganic retarder for the hydration of OPC was investigated. The shape of needdle Ettringite formed in few minitues for a no addition of $H_3BO_3$ but, retarded to form of Ettringite and $Ca(OH)_2$ according to addition of $H_3BO_3$. Hydration was retarded for tranquil of Al ion by to be low of pH.
Key words: OPC, H$_3BO_3$, Hydration, Retard
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