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J. Korean Ceram. Soc. > Volume 39(7); 2002 > Article
Journal of the Korean Ceramic Society 2002;39(7): 699.
doi: https://doi.org/10.4191/kcers.2002.39.7.699
Ettringite의 생성에 미치는 pH의 영향
이의학, 정찬일, 송명신, 이경희
명지대학교 무기재료공학과
The Effect of pH on the Ettringite Formation
In order to see the effect of pH on the formation of ettringite, pH was controlled with addition of boric acid, hydrochloric acid, nitric acid and potassium hydroxide during the formation of ettringite. The behavior of ettringite formation was discussed with XRD, SEM analysis. The result was that ettringite was unstablely formed with stabilization of aluminate gel and gypsum at below PH 10.
Key words: Ettringite, pH, Boric acid, Hydrochloric acid, Nitric acid, Potassuim hydroxide
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