Interdisciplinary Integration Experiment: Effect Testing, Principle Inquiry and Self-Made of Stainless Steel Soap
WEI Chong-Qi1, LING Yi-Zhou2**, WANG Shu3
1. Fengxian High School of Jiangsu Province, Fengxian 221700, China; 2. School of Education Science, Nanjing Normal University, Nanjing 210097, China; 3. Xuzhou Institute of Education Science, Xuzhou 221009, China
Abstract The effectiveness and principles of stainless steel soap, a soap made from 304 stainless steel, are controversial. An interdisciplinary integration experiment was designed, including 3 main parts: the effect test of stainless steel soap, the principle inquiry and the innovative homemade. Experimental results show that stainless steel soap can not remove bacteria, but can remove odors; its principle is the physical adsorption effect, rather than through the generation of Fe2+ or Fe3+ reaction with odor molecules; it can be made by physically polishing or chemically etching the surface of stainless steel, adding active ingredients and other methods. The experiments are based on real problems in life situations and integrate multidisciplinary knowledge and methods from chemistry, physics, biology, medicine, and general technology to develop students' interdisciplinary problem-solving skills.
WEI Chong-Qi, LING Yi-Zhou, WANG Shu. Interdisciplinary Integration Experiment: Effect Testing, Principle Inquiry and Self-Made of Stainless Steel Soap[J]. Chinese Journal of Chemical Education, 2024, 45(9): 83-88.