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Citation: Zhiliang Li. A Study on the Origination of the Laboratory Method of Oxygen Preparation by Potassium Chlorate and Manganese Dioxide[J]. University Chemistry, ;2020, 35(12): 268-273. doi: 10.3866/PKU.DXHX201910054 shu

A Study on the Origination of the Laboratory Method of Oxygen Preparation by Potassium Chlorate and Manganese Dioxide

Zhiliang Li ^,

School of History and Culture of Science, Shanghai Jiaotong University, Shanghai 200240, P. R. China

Corresponding author: Zhiliang Li, zhiliang.li@sjtu.edu.cn
Received Date: 25 October 2019

Oxygen preparation by potassium chlorate and manganese dioxide is one of the most classical laboratory method. Few study has been made so far on its origination and establishment. Through checking the original roles of potassium chlorate and manganese dioxide, it is found that manganese dioxide was ever first selected as raw material for making oxygen, then led the discovery of chlorine by Scheele and potassium chlorate by Berthollet. Potassium chlorate itself was also ever used for oxygen preparation at a high temperature. In 1832, manganese dioxide was firstly mixed with potassium chlorate for oxygen by Döbereiner and reduces the temperature dramatically. With more following studies, the classic method of oxygen preparation via the two materials was finally established.
- Potassium chlorate,
- Manganese dioxide,
- Catalysis,
- Laboratory method of oxygen preparation,
- History of chemistry,
- Döbereiner
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