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Citation: Jian-Gong Ma, Xiaohang Qiu. Chromium in Ancient and Modern Times: Analysis of Problem 2 of the 54th International Chemistry Olympiad[J]. University Chemistry, ;2022, 37(12): 220907. doi: 10.3866/PKU.DXHX202209077 shu

Chromium in Ancient and Modern Times: Analysis of Problem 2 of the 54th International Chemistry Olympiad

Jian-Gong Ma ,
Xiaohang Qiu ^,

College of Chemistry, Nankai University, Tianjin 300071, China

Corresponding author: Xiaohang Qiu, qiuxh@nankai.edu.cn
Received Date: 28 September 2022

Chromium has a long history of application during the development of human society. Based on the various oxidation states of chromium and the characteristic colors of the chromium-containing compounds with different oxidation states, the problem 2 of the 54th International Chemistry Olympiad examined the oxidation changes of chromium and corresponding reactions, the relevant crystal phase structure, and its application in the ceramic glaze and catalytic polymerization.
- Chromium,
- Spinel,
- Black ceramic glaze,
- Philips catalysts
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