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Citation: QIAN Linping, LI Jinzhi, ZHENG Gengfeng, SHEN Jianzhong. Investigation of Ammonia Usage in the Experiments of Calcium Peroxide Preparation[J]. University Chemistry, ;2018, 33(2): 60-64. doi: 10.3866/PKU.DXHX201708001 shu

Investigation of Ammonia Usage in the Experiments of Calcium Peroxide Preparation

Department of Chemistry and Laboratory of Advanced Materials, Fudan University, Shanghai 200433, P. R. China

Received Date: 1 August 2017

The ammonia usage in CaO₂ preparation through CaCl₂ and H₂O₂ was investigated by the reaction thermodynamics and the designed experiments. The results show that calcium peroxide production is related with the ammonia usage. When the molar ratio of NH₃/Ca²⁺ is less than 2, CaCl₂ could not converse completely. With the molar ratio of NH₃/Ca²⁺ reaching 2,high amount of CaO₂ and small amount of Ca(OH)₃ were achieved. This molar ratio of 2 is suggested to be reasonable in the CaO₂ preparation design.
- Calcium peroxide,
- Ammonia,
- Hydrogen peroxide,
- Calcium chloride
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