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Citation: Tianyi Zhang, Yufan Pan, Yihan Xu, Aili Cui. Macroscopic Morphology of Alum(K) Crystal[J]. University Chemistry, ;2020, 35(1): 118-124. doi: 10.3866/PKU.DXHX201904013 shu

Macroscopic Morphology of Alum(K) Crystal

Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China

Received Date: 9 April 2019

In this paper, a simple thermodynamic model of crystal macroscopic morphology and the cause of the defects were suggested. By virtue of growing alum(K) crystals and measuring their macroscopic parameters in the inorganic laboratory for undergraduates, we can calculate the thermodynamic parameters of alum, thus explaining the macroscopic morphology and defect of alum(K), and predicting the possibility for alum(K) to generate octahedral crystals and its self-normality.
- Alum(K),
- Macroscopic crystallographic planes,
- Self-normality
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